Table of Contents
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Does not charge - no charge
Change battery
Check charger and cable without
problem, or change good one
Replace or re-solder CPU MT6250
Customer Service
No charge
NO
YES
Check if I/O connector
works normal
YES
Connect the charger without
battery put in, check if the voltage
of positive pole is around 3.6V.
YES
Check charge protective tube be
normal.
YES
YES
Resolved
Re-flash SW
NO
Replace
or
re-solder
it
35
Service Manual
NO
YES
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