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Keys troubleshooting
Keyboard troubleshooting
There are two possible failure modes in the keyboard module:
1 One or more keys are stuck, so that the key(s) does not react when you press a keydome. This kind of
failure is caused by mechanical reasons (dirt, corrosion).
2 Malfunction of several keys at the same time; this happens when one or more rows or columns are failing
(shortcut or open connection). For a more detailed description of the keyboard and keymatrix, see section
If the failure mode is not clear, start with the Keyboard Test in
Page 3 –30
Copyright © 2007 Nokia. All rights reserved.
BB Troubleshooting and Tuning Guide
Phoenix .
Issue 1


This manual also for:

N82, L3, L4

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  • Pavel Kraemer Dec 31, 2016 03:20:
    I cannot find how to switch off front flash on NOKIA 230.
    Pleas​e inform to