
X458 L3 Service Manual
26
Insert SIM Repair Process
YES
NO
NO
NO
YES
YES
YES
OK
CPU MT6260
may be defective
NO
Replace SIM card
MT6250 may be
defective
Insert SIM
Clean or replace
SIM connector.
Check if all the
SIM pins are clean
Resolved
If SIM card
is available
Connect Power supply
to check the current
Resolder or replace
CPU MT6260
END
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Summary of Contents for X458
Page 13: ...X458 L3 Service Manual 13 All manuals and user guides at all guides com ...
Page 14: ...X458 L3 Service Manual 14 Output of SIM Card All manuals and user guides at all guides com ...
Page 17: ...X458 L3 Service Manual 17 Display interface All manuals and user guides at all guides com ...
Page 48: ...X458 L3 Service Manual 48 All manuals and user guides at all guides com ...