the fault is probably in the camera window. Check the window by looking carefully through it when replacing
the module. As references Figure "Good image taken indoors" and Figure "Good image taken outdoors" can
be used. Another possibility is to use a service point comparison phone, if available.
Effects of dirty or defective camera lens protection window
The following series of images demonstrates the effects of fingerprints on the camera protection window.
Note: The effects of any dirt in images can vary very much; it may be difficult to judge if the window
has been dirty when some image has been taken or if something else has been wrong. That is why
the cleanness of the protection window should always be checked and the window should be wiped
clean with a suitable cloth.
Figure 26 Image taken with clear protection window
Figure 27 Image taken with greasy protection window
Bright point light sources might cause images that have flares around the light source if the protection
window is dirty. A smeared fingerprint may be hard to see on the protective window but if will affect the
image quality. These flares can be avoided by cleaning the window with a suitable cloth.
RM-824; RM-825; RM-826
Camera Module Troubleshooting
Issue 2 NOKIA INTERNAL USE ONLY Page 5 – 13
Copyright © 2012 Nokia. All rights reserved.
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