Blu Studio XL2 - Page 29

Keypad issue
Start
Check Key pad is
damaged or not
YES
Replace Keypad
No
Check software version?
And update new software
No
Check
Sidekey fpc
soldering
not bad
YES
OVER
YES
Soldering
repair
Replace Main PCBA
No
Not recognize SIM card
Start
Update new software or
Resetting factory
No
Check Normal SIM
card connector whether
damaged?
YES
OVER
YES
Change J1402
No
Replace Main PCBA
Check Mirco SIM card
connector whether
damaged?
YES
Change J1403
No
Replace Main PCBA
Normal SIM
doesn’t work
Micro SIM
doesn’t work