Level 1-2 Service Manual
12-December-2007 30
Programming: Software Upgrade and Flexing
Contact your local technical support engineer for information about equipment and procedures
for flashing and flexing.
7. Telephone will not recognize or accept
SIM card.
SIM card defective. Check the SIM card contacts for dirt. Clean if
necessary, and check if fault has been
cleared. If the contacts are clean, insert a
known good SIM card into the telephone.
Power up the unit and confirm that the card
has been accepted. If the fault no longer
exists, replace the defective SIM card.
8. Keypad not functioning. Keypad defective. Use alcohol to wipe the keypad metal dome.
Check if fault has been cleared. If the fault is
still present, either replace the keypad or
refer to a Level 3 Service Center for the key-
pad metal dome replacement.
9. Vibrator feature not functioning. a) Vibrator faulty. Check general condition of vibrator. If it is
good, proceed to b.
b) Vibrator defective. Replace the defective vibrator.
10. No or weak audio when using head-
set.
Headset plug not fully pushed. Ensure the headset plug is fully seated in the
jack.
Table 4: Level 1 and 2 Troubleshooting Chart (Continued)
Symptom Probable Cause Verification and Remedy
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