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Customer Service
Service Manual
Repair flow for phone dead
Phone dead
Upgrade the
YES
Upgrade the software can
settle the defect issue?
Software.
NO
Check battery connector
Clean or replace the battery
NO
and battery touch point if
or battery connector.
is dropped or dirty?
YES
Check the keypad if stuck or
Check and reinstall the keypad
YES
touch panel do not work to
or replace the touch panel.
make the phone "dead"?
YES
Check the CPU if is rosin
U101 Re-weld or replace U101.
joint or damage?
END
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