Hard reset Nokia Lumia 900 AT&T

Specification Nokia Lumia 900 AT&T

Secret codes Nokia Lumia 900 AT&T

Root Nokia Lumia 900 AT&T

Screenshot Nokia Lumia 900 AT&T

OS: Microsoft Windows Phone 7.5 Mango

CPU: 1.4 GHz Scorpion

Display: 4.3 inches, 52.6 cm²

Battery: Non-removable Li-Ion 1830 mAh battery (BP-6EW)

For Hard reset Nokia Lumia 900 AT&T use following steps

1. Press the Power button and turn off your smartphone

2. Hold down the Volume Up and Power buttons for a few seconds

3. When the NOKIA logo appears on the screen, you can release all keys

4. Press the Volume Up and Power buttons simultaneously when the Android Robot logotype appears on the screen

5. You must select the "wipe data / factory reset" item, the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the selection

6. In the menu, go to "yes" and press the Power button

7. In the menu, go to "reboot system now"

8. Data reset procedure completed

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.