Blu DASH 3.5, Руководство по обслуживанию

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3.9 Failure to identify SIM card
SIM is not identified
Touch Pin is N
clean?
Y
Change a new Y
SIM to try
N
Is SIM socket N
good?
Y
Check if VSIM1/
N
VSIM2 are OK?
Y
Check each signal N
on SIM is OK?
3.10 Failure to flash IMEI
Fail to flash IMEI
N
Could it power
on?
Y
Y
Could it
download?
N
Re-solder or N
change memory
U502.
Y
OK
Clean SIM socket
SIM is damaged.
Replace it
Change a new one.
Change U1001
Hot U1001 or change
a new one
To the part fails to power on
Re-plug USB cable,
re-flash IMEI
Re-solder or change
U0401