2. At the same time, press and hold the POWER button and the Volume Up(+) button for a few seconds.
3. Release the buttons when Recovery mode appears on the screen. To move around the menu, use the Volume Up(+) and Volume down button.
4. Select the option "wipe data / factory reset. To move around the menu, use the Volume Up(+)/Down(-) buttons and press the POWER button to confirm.
5. Select "Yes" and press the POWER button to confirm.
6. Overload your phone, select reboot system now and press the POWER button to confirm.
Hard Reset - advantages and disadvantages Onda V10 4G ?
In simple words, Hard Reset means hard resetting the phone. As a result, the system automatically returns to the factory settings and the system is completely cleared. Contacts, correspondence, application, files, search queries, passwords - all of this is deleted from the device's memory.
Benefits of Hard Reset:
The ability to completely clear the phone from user information. Removing viruses that have entered your phone. You will be able to solve various problems on the device, for example, with bluetooth or other applications.
Disadvantages of Hard Reset:
Complete cleaning of all user data on the device. The need to have a fresh backup of your phone's data, contacts, and media. Unfortunately, in some cases, not all viruses on Android will be removed, even after a hard reset.
What needs to be done before the Hard Reset operation.
If you want to do a hard reset on your phone, then make sure you know the login / password for your google account. You need to log out of your google account before resetting. In this case, after performing a factory reset, the phone will not ask for any logins and passwords and you can immediately use your phone. If, after a hard reset, the phone is locked by the FRP and you cannot remember the login password for logging into your Google account, then you need to use the instructions for bypassing the FRP lock for your phone model. Some new phone models may have problems with bypassing the FRP protection and for this you will need to contact the official service center.
After performing a hard reset, your device will be completely wiped clean. Everything that was in the memory of your device will be deleted.
What can be done to avoid losing important information?
If important information (contacts, photos, videos) remains in the memory of your phone, then it can be saved in several ways:
Synchronize your data and contacts with Google. Create a backup using Titanium Backup or other programs. Transfer important data to your PC using service programs for your smartphone model.