Insert Sim Card" In Device Display Allthough Card Is Inserted - Nokia NHL-2NA Series Troubleshooting Instructions

CCS Technical Documentation

"Insert SIM Card" in device display allthough card is inserted

Sim card
Check sim BB
self tests. Are
they ok?
Check SIM
connector
Is it ok?
Measure VSIM
voltage from jig
is it 1.8/3.0V at
powerup?
Check SIM
power up
sequence
Is it ok?
Issue 1 07/02
faults
No
Yes
No
Yes
No
Yes
No
¤Nokia Corporation
Either UPP_WD2 or UEM is
faulty. Change UEM first
and if still fails the tests
change UPP_WD2
Clean pwb pads and
connector / change
connector
Check Vsim resistance to
gnd (no power) if low ->
measure C470 -> if ok
change R470 -> still not
ok -> change UEM
Check Vsim resistance to
gnd (no power) if low ->
measure C470 -> if ok
change R470 -> still not
ok -> change UEM
NHL-2NA
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