Blu Studio J1 - Chart 7 Mobile fault analysis for L2; General Troubleshooting and Power Issues

Chart 7 Mobile fault analysis for L2
Any question
Start
Upgrade to
latest software
Or Restore
factory setting
YES
OVER
Check
assembly
disassemble is
OK or Bad
No
YES
OVER
Seek help
No
Start
YES
No power, check
battery connector
No
Check have
power or
Upgrade to latest
software
Yes
Check
power key
is ok?
No
Replace side key
Replace Main PCBA
Doesn’t switch on