Troubleshooting | W370\W375 |
Level 1 and 2 Troubleshooting Chart (Continue)
Symptom | Probable Cause | Verification and Remedy |
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7. Phone will not recognize or accept SIM | SIM card defective. | Check the SIM card contacts for dirt. Clean if |
card. |
| necessary, and check if fault has been |
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| cleared. If the contacts are clean, insert a |
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| known good SIM card into the phone. Power |
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| up the phone and confirm that the card has |
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| been accepted. If the fault no longer exists, |
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| replace the defective SIM card. |
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8. Keypad not functioning. | Keypad defective. | Use alcohol to wipe the keypad metal dome. |
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| Check if fault has been cleared. If the fault is |
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| still present, either replace the keypad or refer |
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| to a Level 3 Service Center for the keypad |
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| metal dome replacement. |
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9. Vibrator feature not functioning. | a) Vibrator faulty. | Check general condition of vibrator. If it is |
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| good, proceed to b. |
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| b) Vibrator defective. | Replace the defective vibrator. |
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10. No or weak audio when using | a) Headset plug not fully pushed. | Ensure the headset plug is fully seated in the |
headset. |
| jack. If the seated is OK, proceed to b. |
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| b) Headset defective. | Temporarily replace the headset with a known |
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| good headset. Ensure good seated. Place a |
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| call and verify improvement in headset audio. |
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| If fault is cleared, replace the defective |
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| headset. |
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11. Camera module not functioning. (for | Camera module defective. | Replace the camera module as described in |
W375) |
| the procedures. Verify that the fault has been |
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| cleared and reassemble the phone with the |
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| new camera module. |
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Programming: Software Upgrade and Flexing
Contact your local technical support engineer for information about equipment and procedures for flashing and flexing.
40 | Aug.15, 2006 |