Samsung Galaxy S21 Ultra 5G Disassembly Teardown Repair Video Review
2021 ж. 18 Қаң.
255 110 Рет қаралды
Samsung Galaxy S21 Ultra 5G Disassembly Teardown Repair Video Review
Repairaibility Score: 6/10
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Very impartial and no random, unnecessary comments. Just straight to the point disassembly and show what connects to what. And no biasness too. I love it! Better than jerryrigeverything who got blinded by hate towards certain companies.
Thanks! :)
agreed! and no politics! During presidential elections jeryrigeverything did NOT shut up about his democratic and left politics. I want videos of teardowns, not to listen to him prattle.
D
Sir I wanted to ask that is the lens on the 10X camera glass or is it also plastic because mine has water deposit so it's not clear i wanted to clean or will it scratch?
Well it's not always unnecessary comments. Sometimes Jerry point out things that shouldn't been done by companies such as the poor repairability of the S10 series, the unnecessary difficulty to remove the battery of some devices, etc. In terms of the comments he made about politics, I'm also not a big fan of those. But about the rest, not a big deal.
I am gald this video is getting a lot of Love ❤️ XDA shared this on twitter as well! Way to go!!
Thank you :)
I'm early on this one, great coverage mate!
Thank you!
Jerry needs to pick up his game... we have a new player now
He's to busy playing politics on Twitter
On Twitter and on his videos lmao
@razvan trifan can you explain I don’t use twitter
It will take 2 week after lauch before every other ppl start to review phone
@@ronong5137 yeah, because delayed reviews make sense, software updates & optimizations can occur until the review is done, while disassembly & resistance tests don't make a lot of sense to wait for, since the phones internals will be exactly the same today an 1 year from now(unless it's recalled to address an issue)
Wow, that was pretty quick. You did a teardown of the latest S21 Ultra, already? Neat!!! Not just that mate, but you also explained things so well that I've learnt a lot from your video today than ever before.. :) So, thumbs up for your good work & you got me subbed to your channel as well. Hoping to see more such interesting & informative videos from you.
Thank you!
Y333r3 rw fawc23e
Well done man! Great coverage. Thanks for these explanations what is what!
Thank you!
This was great and 2 the point video. Really liked it. Thanks for sharing...keep making more 👍
Thank you, appreciate it!
Good video, thank you for the insights! 👍🏼
Thank you and you're welcome :)
Great teardown and explanation, congrats for being the 1st person who done teardown for both S21 models. I'm curious about overheating issue in SD888,does exynos version feel overheating to you when running heavy so far?
Thank you. Seems to be ok so far, I did a benchmark and temperature test video on the S21, I will be uploading it probably tomorrow.
@@PBKreviews cool, can't wait to hand on S21U ordered.
Atleast this guy goes slow and breaks down each individual part.... I'd feel pretty comfortable doing this myself under his guidance... great vid
Thanks! :)
This is amazing, thank you very kindly! Nice teardown!
Thank you and you're welcome!
Another Awesome Teardown, keep going!!!👍👊😎
Thanks!
The first s21 ultra teardown. Good job!
Thanks!
this is what i was waiting for! you're awesome!!
Btw, so awesome you specifically talked about the camera piece!
Thank you :)
@@PBKreviews Does the fact that it is missing the mmwave antenna's mean it does not support it?
yea, it wont support the mmwave 5G but still has sub 6GHz 5G.
PBK is on roll. Beautiful my friend.
Thank you!
Considering what I went through to change the fan on my HP laptop, this seems mild by comparison - with the exception of having to use heat. Great video, btw. Very clear and concise.
Thanks!
Super fast! Thanks!!
You're welcome :)
Not the soft Jerry voice but a real engineer not a destructor! Thanks!!
Thank you and you're welcome!
thanks a lot your video saved my phone
Great video! Thank you. So the processor heat is drawn through the touchscreen and not the back of the unit? Is this correct?
Thanks! Yes the processor heat is directed toward the midframe and out through the front and sides mainly.
Nice job! Another method I’ve tried to get the Samsung batteries out is while heating the screen on the heat pad I use a suction cup on the battery, a little ISO alcohol on the right and left gaps of the battery and a plastic pick for the bottom of the battery and that usually works really well for me.
Thanks! Ya that would work as well. Lately I have been using isopropyl alcohol more often, makes it much easier.
The cable you were not sure about, As a repair technician, I am pretty sure its for the s pen, since the ultra supports it. Take a look at the note series they have that. 👍👍
Thanks, yea probably. It had another smaller cable connected on the bottom corner of the screen so I assumed that would be for the s pen but won't know for sure unless I pried off the screen but don't want to break the screen, going to be using it still :)
@@PBKreviews Yeah Samsung is notorious for not allowing you to remove the screen without breaking it, that'd mean you'd need to get a new screen, and they probably don't supply them yet.
yes, is for the s-pen digitizer. only the notes had that before.
Good job and great video ! i have a question, if I disconnect proximity sensor cable can my s21 ultra work without it ?
you are doing amazing mate
Thank you!
I'm so happy bout the thermal paste. Sweet stuff.
👍
Lol what happened to the water cooling copper chamber introduced on the Note 9
@@ameerali.ouarda Dude some things are better than others. You ain't an engineer at Samsung to under which one dissipates heat better.
They use 3D graphene for transferring heat now. It lasts longer and does just as well if not better.
hi, thanks for your videos. I have inserted the skewer for the sim through the hole of the microphone. Do you think I have damaged something?
You're welcome. No you will be fine. The mic and the filter are seated above the hole.
@@PBKreviews thanks
Surprisingly i watched few video the s21 with exynos variant has no heating issue finally samsung has fixed this issue and upgraded their exynos this time its on par with sd 888
Yea seems to be good!
Ohh boy... You gonna smash ifixit and jerryRigsEverything 😂
hello!! reallly good vid, you nailed it. Quick Question...do I have to remove the sim slot in order to open the back cover? Thks!
Not the cover but if you want to remove the charging board yes, a little late but maybe it’ll help someone else
Good one, nice work here ;)
Thank you :)
Hi, great video and I have question. The S21 Ultra fingerprint looks much bigger then the S21, are they both the newer qualcomm sensor or only the one on the Ultra?
Hi, they are both the newer sensor, but yea it does seem the ultra has a larger surface area.
Finally someone that did a teardown that open carefully
:)
Wp mate, keep it going
Thanks!
I'm SO glad the S21 Ultra Exynos has the graphene vapor chamber, unlike the Note 20 Ultra Exynos, which had... nothing, just a layer of whatever it was to protect the oled panel, while the Note 20 Ultra Snapdragon had a copper plate. What makes the most sense as to why the cable isn't removable, might be because the S21 Ultra *may* have had problems with the flex cable loosening the side it's now soldered onto the screen assembly, but you know, that's just speculation. Overall it seems like it's solid build quality and well-thought out internals.
Yea its a good build overall.
Well done boss that was well explained thumps up
Thanks!
Does the shape of the haptic feedback vibration motor matter? Cause I think the circular and square ones aren't as great as the rectangular ones (Apples)
yeah, the larger rectangular ones tend to provide better feedback.
Pls also do a S21+ teardown if you had a chance.. To see if its internals are much closer to the ultra or the regular s21 or any differences.. I can see that the ultra actually has a bigger loudspeakers and fingerprint assembly ..great vid Keep it up🤩🤩
Thank you, will do.
@@PBKreviews I think the reason the topside doesn't have the foam balls is that it might help with the stereo balance, since it's closer to middle than the bottom speaker The foam balls are super gimmicky anyway.
@@checkyourfax perhaps they try to equalize the sound quality between all the sizes, as you can see the ultra has bigger main bottom speaker assembly than the regular s21 which means bigger magnets.
Great early coverage, helps alot
Thank you, glad it helps!
Wonderful :), thank you! The cable that you believed is for finger print, i think is actually for the s pen support.
Oh ya I didn't think about that, you'r right its possible its for that. But there was another cable on the bottom of the screen connected to it, might be that also not sure. Didn't want to pry off and break the screen. :)
@@PBKreviews how can it miss the anthenas and be 5G?
It has the standard 5G antenna, just not the mmWave 5G that Verizon in the US uses. I believe there is a few other countries which a carrier that may use mmWave 5G but most don't.
@@PBKreviews so would that be a problem regarding signal strength in EU country?
No since the networks there don't use 5G mmwave. It doesn't affect the standard 5G signal strength. For example lets say its 4G vs 3G antenna. If the networks in EU dont have 3G, it wont slow the 4G or degrade the 4G strength. So basically there is no negative to not having it, just wont work for any carrier that uses mmwave 5G technology (which there are very few carriers that do).
I fix phones for a living. Seeing that camera housing initially had me nervous. Nice to have my fears assuaged.
👍
Same here, when I saw how the back glass curves around rear camera glass assembly. I was worried about possibly cracking the back during removal in the future.
@@matta6991 my fear was in how the front housing was assembled. It looked like the rear cameras were built into it and couldn't be removed or replaced. That would make any repair very expensive, and the front assembly would've went from$250-$300 to $600-$700.
Excellent video! I also liked your other video on the s 21 QUESTION PLEASE... I just looked at the S21 ULTRA at an electronic store here in the states, the back sounds like it's plastic but I noticed that you tap the INSIDE of the cover with your nail and it sounded like it was glass. IS THE BACK PLASTIC BUT THE INTERIOR MADE OF GLASS? I know that sounds like a stupid question
It's a type of glass, not like a glass you would find on a car window. Its all one material. If you compare it side by side to the S21, you will see and feel the difference. Also Thank you.
I appreciate the explanation, Thank you sir.
A bit late to the party but here I am, wondering if I need to remove the sub board if I'm replacing my battery? Will those flat wires bend up out of the way enough or should I completely disconnect/disassemble?
when you put it back together. Do you apply any type of glue? or does it just click back together? thx
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Great Video!! Thanks!!
Thank you and you're welcome
Hi its me again. So you can expect what I am going to say.. WHOOO CLEAR PHONE IS A DEFINITE POSSIBILITY! Also, at 7:33 that Flex cable is for the S Pens to work. Note phones have them so I'd expect that to find its way here
Haha 👍
I've ordered an S21 Ultra 512gb..Silver. 👌 Hoping phones as good as suggested!?
Ya seems to be a good phone. I like the design a lot. Its on the heavier side but I like that, feels more premium and build feels sturdy and strong.
@@PBKreviews From I've read so far the main camera does have a fisheye blur at the edges of photos though, which is probably due to the smaller 24mm lens as opposed to the 26mm lens on the Note 20 Ultra. Fisheye blur has a very predictable blurring pattern, so hopefully Samsung adds an algorithm in an update the blur. Other than that it's an amazing phone, and I love that they did apply cooling solutions for the Exynos version this time around.
Lovely video, so professional. Can you tell me if both models the Exynos and the Snapdragon use the same Loudspeaker? I mean the bottom one. Thank you.
Thank you. Yes they would be using the same loudspeaker.
@@PBKreviews You saved my life. Thanks.
@@Tav_cr You're welcome :)
Very good video. Thank you.
Thanks, and you're welcome.
So i know this is an old video but are you able to replace the side bezel on the phone? The screen is perfect but the bezel is scratched
Plus one more subscriber bro
Thank you 😀👌
this guy better than jerry... straight forward no sponsorships or bs ads
Thanks!
Hey! PBKreviews does the Samsung Galaxy S21 Ultra have a Vapour Cooling/Chamber System inside it or any other type of Cooling System inside it at all?
Hi, Samsung has replaced vapor chambers with the 3D graphite layer for heat transfer. It works just as well if not better and lasts longer also.
@@PBKreviews Thank you PBKreviews for answering my Question!
@@nightforest1693 you're welcome
@@PBKreviews US version also has graphite or copper chamber?
Great Teardown! ^^
Thanks!
Great video!
Thanks!
Good video, that cable you thought was the fingerprint sensor is actually the S pen digitizer that is located behind the LCD. Also the battery requires iso to sit for a little to be removed, that's why there is no tabs. Plastic playing cards = super easy removal after iso has been applied. They generally don't want to heat the battery ever since the Note 7 incident.
Ya iso works but gets messy sometimes and not a common thing an average person would have on hand. Also many phone manufactures use adhesive and pry tabs that don't require heat. You can pull up and pry the battery off fairly easily with no heat so not sure why Samsung refuses to use them. As for the S pen your right, I realized it after the video. :)
Great teardown, is the vibration motor size different compared to regular s21?
Thanks. They are fairly similar in size, one is just a square shape haptic feedback motor while the S21 is an older style cylindrical vibrate motor.
So the S21+ & Ultra has the more advanced haptic feedback motor compared to the regular S21?
Yes correct, not sure about the + yet but the ultra ya
Sir is the 10X periscore lens Also plastic like rest or is it glass because mine is dirty need to clean it without scratching
Thanks for THE best teardown! According Samsungs website the exynos 2100 have 5g mmwave built in. Modem 5G NR Sub-6GHz 5.1Gbps (DL) / 1.92 Gbps (UL) 5G NR mmWave 7.35Gbps (DL) / 3.67 Gbps (UL) LTE Cat.24 8CA 3Gbps (DL) / Cat.22 4CA 422Mbps (UL)
It's possible the certain region you are in comes with support for the mmWave. Most international markets don't use mmWave so most exynos versions won't come with it. Just curious, which region is that exynos 2100 from?
Do u happen to know the size of the yhead screw driver for the antennas?
If you mean the small ones on the top and top right of the frame, if I am not mistaken, they are 0.6mm Y Tip. But the size again I am not 100% sure.
is glue required to close the back after opening?
Yes, you would need this adhesive: amzn.to/47x1vwv
Hello, did you say that you should apply an adhesive solution before you mount the back of this phone? what kind of adhesive should be used?
there are pre cut adhesive made for this phone to use to re apply the back, or most replacement backs will come with the adhesive pre installed to the back glass. You can also watch the video I did on how to install adhesive on smartphones to get a better idea.
Can placing the SIM card slot Pin in the bottom microphone hole cause damage? My mic works fine just worried about any possible sealants, meshes or layers between the mic and the hole. I pushed gently didn't apply any force, just wondering in case i do it again
Hi, you should be fine. The mic sits above the hole so it won't be damaged.
@@PBKreviews thanks 😅 I honestly think if It had any damage id probably notice it, but sound quality is so good I doubt i messed it
The flex @7:40 I'll bet is for the S-pen digitizer, just like all the Notes have at about the same position 😉
Ya probably :)
Thank you!
You're welcome
You are great bro thanks for this lovely Video Love from India, Bro S21 Ultra support external mic while shooting Video
Hi! You're welcome. Not sure have not tested that.
@@PBKreviews kindly check bro i will give you new idea to gain Growth
which type of external mic are you referring to so I can check
@@PBKreviews any rode shotgun mic
@@pranabdaimari1078 ok so you want me to use a charger port adapter to headphone jack and connect the rode mic to it and see if it will use that mic during video recording?
Can the volume button be popped off. My Volume up sticks. I tried alcoholbut needs better cleaning.
I'm not sure if these button pop out or need to be pushed in. But the volume keys flex cable which has the clickers that register presses is ran through the midframe, so if that needs to be replaced, you would need to pry the screen off as well which would pose a high chance of damaging the working screen.
@@PBKreviews I popped it out with exactly knife. Volume up clicker was broken. Popped new one in and it's good now. Have better control than trying to use razor blade.
Question. I'm getting a replacement from assurant because of black screen (lcd?). I'm pretty sure I will be receiving a refurbished phone. The problem is that they want my original phone. I am not happy to send a practically new phone in exchange for refurbished phone parts. I am looking to swap my original parts into new screen. Am I able to take all parts (most importantly the processor and memory etc)? Do you know if refurbished phones have lesser quality parts?
You can take all the parts from the old frame and move it over to the new (your memory/storage is soldered onto the motherboard), however you would need to re-apply new adhesive to your back plates to re attach them to the frame. Also you would have to make sure not to damage anything in the process :). I mean sometimes the refurbished units can have issues but compared to how refurbs were back in the day, I would say they are better now.
@@PBKreviews if I were to swap, would my IMEI still be the same? I would like to take their screen and but keep my parts. Just don't want them assuming IMEI is different if I take my original motherboard
I know that when you insert the sim tool through the hole of the microphone it will not be damaged, but could you explain if there is something in the hole and also what it hits at the end when you insert the tool, clearly something feels that there is inside of the hole.
There is a filter above the hole which covers the opening that leads to the mic. But there shouldn't be anything else in the hole aside from the curve in the frame that leads up or down to the mic so technically you should only be hitting the frame with your sim eject tool. The mic would not be touched since it sits above the hole.
Where is the memory bank? Where all pictures and things are stored? Is it integrated in the main board or is there a own "modul"? Im trying to save data from some samsung s21 ultra phones that ive broke by buying a new one and are planning on removing the backside on the new one and transfer just the memory part from the broken phones so i can get into the phones and transfer the data to my computer. The broken phones are scrap but i was hoping its possible to use just the main board/memory parts in a working one. Is this possible? Thank you
It's not possible, the ROM or storage chip is soldered to the main board behind one of the covered shields and is not user replaceable.
@@PBKreviews Okay. But i ment the whole main board. On the broken phones i have the mainboards seem to be okay its the charging/screen and sub board thats damaged from voilence. Mainboard looks okay so i thought i could just put those broken phones mainboard into a working phone and have all data back so i can transfer it into a computer? If i switch just the mainboard all data is still there?
So, could they have fit the SD card and headphone jack on the inside?
From what I have herd, the version that's in Dubai and Saudi Arabia etc has SD card support.
Was going to ask the same question.
@@PBKreviews Whaaaat? S21 Ultra with SD card?! Are you sure?
@@Brecher87 no not sure, someone said they believe there is one version for UAE but it's not confirmed yet, they will let me know once it arrives to them
Of course they could. They don't to sell those $300 wireless buds and make you pay extra for the 128/256/512 versions.
I have one of these and my volume and power buttons don't work. Are these repairable without changing the screen
Any idea what size of tri point screwdriver do you need for the antenna?
The top speaker actually has foam balls too! The blue "window" is at the bottom of the plastic housing, seen it on photos and videos
Hi, can you link me to some photos so I can see? I saw some videos which briefly show the blue film but nothing clearly. You probably may be right since its so hidden I did not notice it.
@@PBKreviews check out ifixit teardown, step 6, the 3rd pic. It's seen quite well. Also found it here (replacement part) ru.tvc-mall.com/details/oem-disassembly-earpiece-replacement-part-for-samsung-galaxy-s21-ultra-5g-g998-sku660700134a.html
@@stathisscania Yea I see it but still in those pics it's not that clear to see if it actually is the foam balls or if it's something else. Usually the foam balls would be in a round opening and larger size area, I can't recall the last time I saw them in such a small tight location. I will keep checking around to see if I can find one that is more zoomed in and high res on that location to see better but it is possible it does have the foam balls but I can't say 100% for sure.
@@PBKreviews yeah I see. Though it would be at least weird if the Ultra didn't have, right? Do you have one to take apart and see? It's my current phone and it plays very nice, better than the Note10+ I had. I have the tools & knowledge to teardown mine but I don't void warranties 🥲😂
@@stathisscania I don't have one on hand to check but not worth taking it apart on your end just to check either. In some ways ya it might be weird but again I'm sure with or without the foam balls it still sounds good.
Awesome video
Thanks!
I saw some coolant inside the copper layer of ( S10+), of course after it opened What about graphite? Is there any liquid in it for cooling ?? thank you
Hi, no the graphite doesn't have any liquid in it. It's just a 3D layer of graphite held in place with clear film holding it together.
big thumbs up for the mmwave info .... just to let you know that the GCC Version has a dual sim slot and micro SD card but i'm not sure if that Exynoss has a mmwave antennas or not ...i pre order my device from UAE ....is there an app that can tell me if my device has a mmwave antennas or not ??
Thanks. Which one is the GCC version? I don't think there is an app that would detect if there is mmwave antennas installed or not. Only way I can think of would be to take the back plate off to check, or to take an X'ray scan of the phone to see if the antennas are there or not.
@@PBKreviews GCC version is for GCC Countries ( Kuwait - Bahrain- Qatar - KSA- UAE and Oman ) ...how can i do the Xray scan ??
@@smalzalzalah So the GCC version of the S21 Ultra comes with micro sd support as well? That's good to know. When you get it, let me know the model number on the box. You would need to have some sort of Xray scanner. I haven't personally every done it but seen people do it on phones before. If you can get me the direct website link to the samsung page where the version you ordered is, I can try n see if I can dig up if its in the specs or not.
@@PBKreviews the model number is SM-G998BZKHMEA ...i order it from www.samsung.com/ae/smartphones/galaxy-s21-5g/buy/ ...keep in mind you can only order it if you have an address in UAE ....if you find an xray device on amazon please let me know
Oh ok thanks, I checked the link but it doesnt mention any support for SD card in the specs. Are you sure it comes with SD card support?
Hi there. I'm wondering, can you tell me if there is anything i can do about the weak and hollow feeling due to the back of this s21 ultra. I noticed before that some units have this issue more than others so surely there must be something i can do by removing and putting the back panel back onto it right ?
Hi, I'm not sure removing it and placing it back on would change anything. Sometimes they leave some room for the battery to be able to expand and contract during charge or use when it heats up to prevent damage to the battery or phone.
@@PBKreviews well as it's such an expensive phone it should not very weak right 😔
@@PBKreviews is this the only phone then on which they did this ?
Ineed help please, I have to move over the front camera, and that right top corner area what looks like a square and has a J mark on it in your video. Looks like i need a different screwdriver for that. what size and type of that screwdriver?
The front facing camera is glued in place and is not held on with screws.
Thank you for the video, but I have a question for this model, is it normal that when shaking the phone laterally, a noise is heard as if parts are slightly moving or loose?
yes it's normal, its the camera assembly 😀
Thanks!
You're welcome
Lovely description
Glad you liked it
Does the cover fit perfectly after? Or do you need glue?
You need to re-apply new pre cut adhesive made for the phone. Usually replacement back covers come with adhesive pre installed. You can also watch this video for reference: kzhead.info/sun/h5iimbSNgH9tYJE/bejne.html
what damage you reckon I've done if I've pushed the sim tray tool in the little hole next to the sim tray slot, mic works fine though ?
No damage at all. The mic sits above the hole and so does the filter so you will be fine :)
@@PBKreviews thank you man 🐐
@@user-ic7mq8vx6n You're welcome
@@PBKreviews subscribed
@@user-ic7mq8vx6n thanks for the support
Accidentally I inserted SIM ejector tool inside the S21 Ultra microphone hole. I also applied some force in an effort to push out the tray. Although, the phone is working OK so far. Did I break something inside? Microphone / Mesh / Water protection. Kindly clear my doubts. Thanks!
Sorry for the late reply. You will be fine, it won't damage it. The mic sits above the hole as well as the mesh filter.
@@PBKreviews I have two doubts that no one has been able to explain, they only say that there will be no damage to the cell phone but they do not explain if there is something in the hole of the microphone and they do not explain what the tool bumps into when it enters the microphone.
Hi, i have an old S21 that is broken bad, cracked in an angle of 10 degree. I was wondering if i could get out the data? I ask myself if i could get out the HD en boot it up on pc or something? The crack is under the lower camera from left to right.
All depends if the motherboard inside is damaged/broken or not. If not, you can put the motherboard into another working screen + frame assembly and make use of it. But you would need it to be working and use a working screen and such to be able to connect to a computer to transfer data.
So if I need to replace my motherboard (which I do), which one do I need to replace? The smaller or larger one. My S21 Ultra has 2 known issues that are due to a bad motherboard (various phone crashes & no cell tower signal. Sim card works in other phones but will not text or call out unless I have wifi from another source).
It's the top larger one.
I will definitely use to try and salvage my water damaged board, maybe some alcohol and cleaning will get it working again.
👍 good luck
What about the SD card? Where was that in the phone how do you replace it?
The onboard storage is not user removable or replaceable. Its soldered to the main board under one of the covered shields.
sir...i'm from Bangladesh 🇧🇩🇧🇩🇧🇩...really I'm your big fan now...
Hi thank you :)
sir u disassembled many flagship mobile...when u disassembled any mobile u know many things about it...tnanks a lot sir...🇧🇩🇧🇩🇧🇩
@@meheditalukder502 You're welcome
@@PBKreviews sir...I'm using Samsung Galaxy M51... You also disassembled this phone...sir i feel that this phone i use but...it has little Battery drain issu... Coz its 6800 mah battery but Don't charge backup...love from Bangladesh... Sir...🇧🇩🇧🇩🇧🇩
@@meheditalukder502 It might be running apps in the back ground or the fact the processor on that phone might not handle battery drain as well as other processors.
How's the Exynos version this time? How's the heating and battery efficiency like
Going to run a benchmark test on it soon, stay tuned.
I was wondering why would a 5G phone be without 5G antennas installed? Is this just for international versions or US as well? Thank you for all your work.
There are different kinds of 5G networks. Only the mmWave 5G networks require the additional antenna assembly. Most networks in the world use sub 5G which doesn't use those antenna, so that's why some versions will be missing those antennas since the region it is sold in does not use that type of 5G network. Still is a 5G phone.
Thanks :)
You're welcome :)
On the upper right section there are two holes (speakers?) Can these be damaged by accidentally pushed the sim card ejector to them?
Hi, you should be fine. The mic sits above the hole and would not be damaged.
@@PBKreviews Thank you (this is a mic then, not speakers on the upper section?) I checked, everything works, sound works all is good but I got panicked.
Well I stuck the sim removal pin in the wrong hole. Felt some resistance. I'm horrified that I may have damaged a microphone? Great video, was hoping to see what was down there...thanks.
Thanks. You should be fine. The mic sits above the hole so you wont damage it.
@@PBKreviews thank you! Fantastic tear down and appreciate your expertise.
am I crazy??? optical stabilization on the ultrawide lens???
OIS on all lenses and 60fps video recording on ultrawide and telephoto lense too, Samsung is going ham this year!
Yup :)
i think i was the only one who notice it!
@@LeoArguelloLR 👍
Im also surprise,they dont mention it during unpacked too
Hi. I have a Samsung s21 ultra SM G998B/DS. I replaced the LCD screen and after that the phone has not cellular signal. Only a circle with a diagonal line. I did hard reset• Update software to android 12. Partition reset. Changed battery and charging port. Moved the gammel gps antenna to the new screen. Nothing work. Could be the signal flex cable or logic board or a automatic system to turn off radio signal? Need help
Hmm. Not too sure, if you reset everything and still doing that, only thing I can think of would be the sim reader is damaged or a resistor or chip got damaged on the board but if the sim reader was damaged it would just say no sim.
I saw on another video that this issue is because you would have to move your original antenna into the new phone/screen. I'll try to find the video clip and post a second comment
My s21 ultra model is g998u the replacement lcd screens I'm seeing is for g998 will it work or should I stick to my model number?
should work fine
@PBKreviews: Accidentally inserted sim tray ejector pin in to the mic hole of my Samsung S21 Ultra 5G. Pressed hard few times. Noticed Later. Is there any chance to get the water resistance damaged because of it?
Hi, no you will be fine. Both the mic and the filter sit above the hole at an angle.
@@PBKreviews Thank you very much. I was anxious and panicked because of it. Just got reliefed after seeing your reply.
thanks :)
You're welcome
So the Boot says "Samsung Galaxy" and there is no "21". Gonna miss that style.
Ya, I guess they just standardized it.
@@PBKreviews Great video though. I hope the price would decrease in months so I can switch from my overheating S8+ Exynos :D
@@SIlentZedrikMusic Thanks. Ya, I'm sure within a month or two they will start having good specials as time goes by.