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3
votes
1answer
329 views

Proximity sensor not working during call. Any fix?

With two Lumia 920s, one works fine, but the other does not disable the screen during a call. Something wrong with the proximity sensor, i guess. Now, in Windows Phone 7, the Diagnostic tool allowed ...
4
votes
1answer
8k views

Windows Phone 8 / Lumia 920 diagnostics tool

I bought my Lumia 920 yesterday and wanted to have that diagnostics tool I knew from my Lumia 800 / Windows Phone 7. On my Lumia 800 I just had to enter ##634# into the phone keyboard and then that ...
4
votes
3answers
6k views

What diagnostic tools are available on (specifically Nokia) Windows Phones?

Are there any (hidden) diagnostic tools available on Nokia Windows Phones (or Windows Phone in general)?
4
votes
1answer
247 views

Will I void my warranty if I run Samsung service codes?

I have Samsung device and want to run service commands like 'Dial ##634#' and others described in this answer. But I also don't want to lose my guarantee. Will such commands in general (or whole ...