HTC Wildfire S A510e

Bought HTC Wildfire S A510e Android OS 2.3.3 (Gingerbread) mobile phone. It has 5MP autofocus camera with flash. There is also a built-in GPS for geo-tagging and navigation.

Factory/Hard Reset

1. Power off
   
2. Press and hold the VOLUME DOWN button, and then briefly press the POWER button.
3. Wait for the screen with the three Android images to appear, and then release the VOLUME DOWN button.
4. Press VOLUME DOWN to select Clear Storage, and then press the POWER button.
   

or

Tap Settings > SD & phone storage > Factory data reset > Reset phone > Erase everything

Dial Codes

1. Diagnostics - *#*#3424#*#*