Hard Reset ZTE F350 Salute

First method:

1. Start by pressing Power button, device must be working to succeed this operation. 
2. Pressing Call key will open phone's Dialer.
3. Type in this code:  *983*22387#
4. Next confirm Factory reset operation by clicking Yes.
5. Phone now should restart, after that operation will be done.

Second method:

1. Power on the device.
   
2. Next goto Menu -> Settings & Tools -> Phone Settings -> Security.
3. Then enter your lock code, and press OK.
   * The default lock code is: 0000, and this is for inactivated phone, for activated is 4 last digits of you phone number.
4. Now select Restore Phone -> Yes, and enter your lock code again.
5. After that your phone will reset and reboots.

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