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Are there any (hidden) diagnostic tools available on Nokia Windows Phones (or Windows Phone in general)?

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2 Answers

up vote 6 down vote accepted

On Nokia devices, ##634# will open the "On-Device Diagnostic Tool" which provides the following tests (on my Lumia 800):

  • Accelerometer
  • ALS (light sensor)
  • APN (override for browser/MMC APNs)
  • Audio Loopback
  • Bluetooth
  • Camera
  • Battery Status
  • Detailed Battery Info
  • DTMF (tone generator)
  • Gyroscope
  • Hardware Buttons
  • Headset Detection
  • LCD White (for checking dead pixels)
  • Lights (backlight)
  • Magnetometer (compass)
  • Power Source
  • Proximity sensor
  • Speaker
  • Touch points
  • Vibration
  • Wireless LAN

Once opened for the first time, the tool will be listed in the applications list as "Diagnostics".

There's also a (Nokia) data field test can be accessed by dialing ##3282#, but is of dubious use. It supposedly allows you to enable the data speed limiter on AT&T Lumia 900 devices, but there's talk that the limiter doesn't actually do anything. In my experience on a Lumia 800, the data field test never completes so isn't useful at all.

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(Holy bullet list spacing, Batman!) – Richard Szalay May 1 '12 at 4:38
Wow! Didn't know that! +1 – lkessler Aug 29 '12 at 1:39
It's DTMF, not DTMS, and you mispelled "Accelerometer" – Keith Thompson Sep 11 '12 at 22:16
@Keith - Right you are. You can actually propose edits on SE by clicking 'edit' on a post. – Richard Szalay Sep 11 '12 at 22:31
Yes, but the edit has to be at least 6 characters, and I didn't see more than 2 that needed changing. – Keith Thompson Sep 11 '12 at 22:58
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up vote 1 down vote

There is a WinPhone Info Free App available in the Windows Phone Marketplace at: http://www.windowsphone.com/en-US/apps/48eddb9a-ca83-e011-986b-78e7d1fa76f8?wa=wsignin1.0

Its description is:

WinPhone Info Free displays real-time info about your Windows Phone device in an easy-to-navigate, Metro-styled interface. View detailed info in the category pages, including device, memory, media, miscellaneous, network, region, sensors, and location. Tap the favorite icon next to any item to add it to the favorites list on the main page for quick viewing.

screenshots

As I write this, it is rated 4.5 stars on 255 ratings.

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