Code to reset the Nokia Asha 303 phone

1.- Basic Reset or Soft Reset Nokia Asha 303

This option restores the .ini files from the ROM.
Does not erase data (photos, videos, documents) or applications from a third party. Key Code *# 7780 # (click this combination of keys on the keyboard in the mobile)

2.- Total Reset or Hard Reset Nokia Asha 303

This option restores the original operating system from the ROM.
Formats the C: partition and deletes all data including the memory card. Key Code *#7370# (click this combination of keys on the keyboard in the mobile)
or
Turn the Mobile off.
Press and Hold “*“+ “3” + Call / Green Keys.
Turn on the device by pressing the on button.
Wait until the Nokia Asha logo appear.

3.- Restore Factory Original Settings Nokia Asha 303

End all calls and connections.
Select Menu > Settings and Rest. fact. sett. > Settings only.
Enter the security code. The default lock code (security code) is 12345.

How to Hard Reset Samsung Galaxy S Blaze 4G?

Samsung Galaxy S Blaze 4G hard reset

If your device is frozen and unresponsive, press and hold  for 8-10 seconds. The device will reboot automatically.
If this does not solve the problem, perform a factory data reset. In Idle mode, open the application list and select
Settings → Privacy → Factory data reset → Reset phone → Erase everything.

Use this method to hard reset your Samsung Galaxy S Blaze 4G: Enter *2767*3855#.

Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.

Nokia X2-01 Format and Factory Reset Code

Nokia X2-01 Format and Factory Reset Code

1.Nokia X2-01Soft Reset
This will return back your X2-01 to its factory setting :

1. Dial or Key in *#7780#
2. Press Ok/Yes

This soft reset mode will not delete/harm your important data or applications, it simply restore the .ini files of the Nokia X2-01 ROM

2.Hard Reset Nokia X2-01:

1. Dial or Key in *#7370#
2. Press OK/Yes
  

Restore Factory Settings

To restore the device back to the default settings, select Menu > Settings > Rest. fact. sett. .

To reset all preference settings without deleting any personal data, select Settings only.

To reset all preference settings and delete all personal data, such as contacts, messages, media files, and activation keys, select All.

Xperia™ Pureness - Back up and restore troubleshooting ...

SonyEricsson Xperia Pureness Hard Reset

Master Reset

To reset the phone

1 Select Menu > Settings > General > Master Reset

2 Select an option.

3 Follow the instructions that appear.

OR

Type #cd8*769150ef#, this combination will DROP ALL SETTINGS in Sony Ericsson Xperia Pureness to the factory settings.

Factory Data Reset Samsung Galaxy Tab 7.0 Plus

How to Reset Samsung Galaxy Tab 7.0 Plus
You can reset your Samsung Galaxy Tab 7.0 Plus to return its factory default settings. It is recommended to back up your personal data such as contacts and image prior to performing factory data reset to the mobile device.
To hard reset/factory reset your Galaxy Tab 7.0, do the following instructions:

• From a Home screen, touch Apps ➔ Settings ➔ Privacy.
• Touch Factory data reset.
• The Factory data reset screen displays reset information.
• Touch Reset device, then follow the prompts to perform the Reset.

This action erases all data from the device, including Google or other email account settings, system and application data and settings, and downloaded applications, as well as your music, photos, videos, and other files. If you reset the tablet in this way, the next time you turn on your tablet you are prompted to reenter the same kind of information as when you first started Android.