Hard Reset HUAWEI Activa 4G

First method:

1. Turn on the device.
   
2. Now press the Menu key.
3. Then goto Settings -> Privacy -> Factory data reset -> Reset phone -> Erase everything.
4. After that your phone will reset and reboots.

Second method:

1. Power on the device.
   
2. Next press the emergency call.
3. After that tap this code: *#*#2846579#*#* and press Factory Reset.

Third method:

1. Power off your phone.
   
2. Next press and hold Volume Up + Power button for about 15 seconds.
   
3. Then you will see Android recovery menu.
   
4. From the menu select "Factory reset/wipe data" using Volume Down to scroll option, and press Power button to accept.
5. Now browse option "Yes-detele all user data", and confitm that with Power button.
   
6. After that press Power button to accept option "reboot system now".
   
    

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.