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Samsung Galaxy S21 Ultra Repair Forum

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Samsung Galaxy S21 Ultra most helpful threads

clear

2 Answers

3U Tools but for Samsung

Samsung Galaxy S21 Ultra 2 Answers

Burhan

Answered

Sep 9, 2025

answered Sep 9, 2025 by Burhan

1 Answer

Broken Fingerprint sensor after Battery replacement

Samsung Galaxy S21 Ultra 1 Answer

Jen Atkinson 91

Answered

May 11, 2023

answered May 11, 2023 by Jen Atkinson

6 Answers

I dropped my phone in my pool

accepted Samsung Galaxy S21 Ultra 6 Answers

Warpedw3aps

Answered

Aug 12, 2023

answered Aug 12, 2023 by Warpedw3aps

5 Answers

I have a camera failure on an S21 ultra after screen replacement?

accepted Samsung Galaxy S21 Ultra 5 Answers

Thomas Hayes

Commented

Apr 23, 2025

commented Apr 23, 2025 by Thomas Hayes

4 Answers

Loses Cell Signal After Screen replacement

accepted Samsung Galaxy S21 Ultra 4 Answers

Tarik

Commented

Jan 29, 2026

commented Jan 29, 2026 by Tarik

1 Answer

S21 ultra, yellow screen

accepted Samsung Galaxy S21 Ultra 1 Answer

Evans

Commented

Feb 26, 2024

commented Feb 26, 2024 by Evans

3 Answers

S21 ultra shut down suddenly

accepted Samsung Galaxy S21 Ultra 3 Answers

Darren Prince

Commented

Nov 30, 2024

commented Nov 30, 2024 by Darren Prince

3 Answers

Dropped phone in salt water pool - melted this bit, what is it?

accepted Samsung Galaxy S21 Ultra 3 Answers

jayeff 529k

Answered

Aug 9, 2024

answered Aug 9, 2024 by jayeff

2 Answers

How do I remove the carrier brand on my phone?

accepted Samsung Galaxy S21 Ultra 2 Answers

jfoxij 23

Commented

Jan 31, 2023

commented Jan 31, 2023 by jfoxij

2 Answers

Cracked Display sometimes works, sometimes flickers and sometimes is b

accepted Samsung Galaxy S21 Ultra 2 Answers

guardian10 10.7k

Accepted an answer

Nov 2, 2022

answer accepted Nov 2, 2022 by guardian10

1 Answer

Cracked screen flickers -temp fixes?

Samsung Galaxy S21 Ultra 1 Answer

daniel 36.6k

Answered

Sep 26, 2024

answered Sep 26, 2024 by daniel

1 Answer

Screen flashing/battery not charging

Samsung Galaxy S21 Ultra 1 Answer

[deleted] 1.1k

Answered

Dec 19, 2022

answered Dec 19, 2022 by [deleted]

1 Answer

External audio is muffled

Samsung Galaxy S21 Ultra 1 Answer

jayeff 529k

Answer edited

Jan 31, 2022

answer edited Jan 31, 2022 by jayeff

0 Answers

Why is my phone isn't answering to wired earphones

unanswered Samsung Galaxy S21 Ultra 0 Answers

Mohamed Bashiir 13

Asked

Mar 13, 2025

asked Mar 13, 2025 by Mohamed Bashiir

2 Answers

Screen failure after battery replacement

Samsung Galaxy S21 Ultra 2 Answers

Rich

Answered

May 27, 2025

answered May 27, 2025 by Rich

2 Answers

Rear back camera lens/glass cracked, any issues using 3rd party lenses

Samsung Galaxy S21 Ultra 2 Answers

Jerry Wheeler 86.7k

Commented

Sep 20, 2024

commented Sep 20, 2024 by Jerry Wheeler

2 Answers

I dropped my phone in salt water

Samsung Galaxy S21 Ultra 2 Answers

oldturkey03 842.7k

Answered

Aug 29, 2023

answered Aug 29, 2023 by oldturkey03

2 Answers

Replaced Charge Port Daughter Card what to do next?

Samsung Galaxy S21 Ultra 2 Answers

Gigin Ginanjar 55

Commented

Dec 29, 2022

commented Dec 29, 2022 by Gigin Ginanjar

2 Answers

Where can I get replacment glass lenses for the camera bumper?

accepted Samsung Galaxy S21 Ultra 2 Answers

Full Name 11

Accepted an answer

Dec 28, 2022

answer accepted Dec 28, 2022 by Full Name

1 Answer

Can internal storage be upgraded within?

Samsung Galaxy S21 Ultra 1 Answer

teardown-er 1k

Answered

Jan 13, 2026

answered Jan 13, 2026 by teardown-er