Blu Aria - Page 27

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Key light can’t work
Reassemble FPC
Use external power (2.8V) to
check LED can work or not
Changed or re-solder CPU MT6250
Key light can’t work
Use multimeter to check
voltage of LED is OK or not
Problem solve
Expect bar model
Check if circuit is
broken
Change LED
Upgrade software
软件升级
Problem solve
YES
YES
NO
NO
YES
NO