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1 Answer

I have spk3 mtlb mic problem

accepted Samsung Galaxy S21 Ultra 1 Answer

Ali Raza 11

Accepted an answer

18 hours agoApr 7, 2026

answer accepted 18 hours agoApr 7, 2026 by Ali Raza

0 Answers

Wi-Fi and Bluetooth Randomly Turning Off on Samsung Galaxy S21 Ultra

unanswered Samsung Galaxy S21 Ultra 0 Answers

Anh Bùi Hữu

Asked

Mar 21, 2026

asked Mar 21, 2026 by Anh Bùi Hữu

2 Answers

Replaced the battery with an iFixit one and Battey life is worse

accepted Samsung Galaxy S21 Ultra 2 Answers

Jerry Wheeler 92.2k

Commented

Mar 25, 2026

commented Mar 25, 2026 by Jerry Wheeler

1 Answer

Can internal storage be upgraded within?

Samsung Galaxy S21 Ultra 1 Answer

teardown-er 1.2k

Answered

Jan 13, 2026

answered Jan 13, 2026 by teardown-er

1 Answer

Why Green line came on the screen?

Samsung Galaxy S21 Ultra 1 Answer

DanJ 499k

Answered

Oct 26, 2025

answered Oct 26, 2025 by DanJ

0 Answers

Screen working inconsistently after battery replacement

unanswered Samsung Galaxy S21 Ultra 0 Answers

Richard M

Asked

Sep 24, 2025

asked Sep 24, 2025 by Richard M

0 Answers

Always writing no sim card

unanswered Samsung Galaxy S21 Ultra 0 Answers

pikudo 1.1k

Commented

Sep 19, 2025

commented Sep 19, 2025 by pikudo

1 Answer

phone keeps turning off and on, getting fairly hot.

accepted Samsung Galaxy S21 Ultra 1 Answer

Justin Bass 11

Commented

Sep 17, 2025

commented Sep 17, 2025 by Justin Bass

1 Answer

My phone gets hot while charging, is it normal or a battery problem?

accepted Samsung Galaxy S21 Ultra 1 Answer

Richard Schofield

Commented

Sep 3, 2025

commented Sep 3, 2025 by Richard Schofield

2 Answers

Screen failure after battery replacement

Samsung Galaxy S21 Ultra 2 Answers

Rich

Answered

May 27, 2025

answered May 27, 2025 by Rich

0 Answers

All cameras failed after rebuild

unanswered Samsung Galaxy S21 Ultra 0 Answers

Thomas Hayes

Edited by author

Apr 26, 2025

edited by author Apr 26, 2025 by Thomas Hayes

0 Answers

Screen turned on once and never again

unanswered Samsung Galaxy S21 Ultra 0 Answers

Francisco Fonseca

Asked

Apr 19, 2025

asked Apr 19, 2025 by Francisco Fonseca

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

0 Answers

How unlock PIN code on safe mode

unanswered Samsung Galaxy S21 Ultra 0 Answers

Anas omer

Asked

Feb 21, 2025

asked Feb 21, 2025 by Anas omer

0 Answers

Shattered Back, Reboot Loops, and SIM Issues. Can My Phone Be Saved?

unanswered Samsung Galaxy S21 Ultra 0 Answers

jayeff 535.3k

Commented

Jan 23, 2025

commented Jan 23, 2025 by jayeff

0 Answers

Weird issue - water damage> cameras failed, then fixed, then bad again

unanswered Samsung Galaxy S21 Ultra 0 Answers

Daniel Deak

Asked

Dec 17, 2024

asked Dec 17, 2024 by Daniel Deak

0 Answers

screen won't turn on after screen replacement

unanswered Samsung Galaxy S21 Ultra 0 Answers

Joseph Jackson

Asked

Oct 15, 2024

asked Oct 15, 2024 by Joseph Jackson

1 Answer

Cracked screen flickers -temp fixes?

Samsung Galaxy S21 Ultra 1 Answer

daniel 36.7k

Answered

Sep 26, 2024

answered Sep 26, 2024 by daniel

3 Answers

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

accepted Samsung Galaxy S21 Ultra 3 Answers

Dan P 23

Commented

Mar 28, 2026

commented Mar 28, 2026 by Dan P

0 Answers

Replaced battery, now phone stops responding or reboots

unanswered Samsung Galaxy S21 Ultra 0 Answers

Richard Baverstock

Asked

Jul 22, 2024

asked Jul 22, 2024 by Richard Baverstock