Diagnostic Library
Troubleshooting guides
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All problems
29 matching guides
Device won't turn on
HW · Critical
Black screen
DSP · Critical
Stuck on boot logo
SW · High
Boot loop
SW · High
Frozen screen
SW · High
Touch screen not working
TCH · High
Battery draining fast
BAT · Medium
Battery not charging
BAT · High
Charging port issues
HW · Medium
Overheating
HW · Medium
Camera not working
CAM · Medium
Face unlock not working
FCE · Medium
Speaker not working
AUD · Medium
Microphone issues
AUD · Medium
Wi-Fi not connecting
NET · Medium
Bluetooth issues
NET · Low
Cellular / No Service
NET · High
SIM card problems
NET · Medium
Software update failed
SW · High
Storage full
STG · Medium
Apps crashing
SW · Medium
Slow performance
PRF · Low
Account issues
ACC · Medium
Cloud sync issues
CLD · Low
Backup failed
BKP · Medium
Forgot passcode
SEC · High
Recovery Mode
SW · Medium
DFU Mode
SW · Medium
Water damage
RPR · Critical
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