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8. Level 3 Repair
8-4-4. Sim Part
Insert SIM card
Is SIM socket ok?
Change to the new SIM card,
Yes
Yes
No
END
Check the SIM
Voltage.
(C5121 ) >= 1.8V
or 3.0V?
Check the SIM
RST/IO/CLK.
(ZD5009, U10208,
ZD5010) No signal
Check the UCP400 (Crack etc)
No
Yes
Yes
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