Blu Studio XL2 - Page 42

Not recognize SIM card
Start
Update new software or
Resetting factory
No
Check SIM connector
whether damaged?
YES
OVER
YES
Change the SIM
connector
No
Check power
voltage is not ok?
YES
Change U0601
YES
Change U0401
Replace Main PCBA
Check
SIO/SCLK/SRST is
not ok?