2. Next you need to press and hold the POWER buttons Volume Up(+), Volume Down(-) for a few seconds.
3. When the screen is lit, release all the keys.
4. Press Volume Up(+) button to enter Recovery mode.
5. In the menu, select wipe data / factory reset using the Volume Up(+)/Down(-) buttons for scrolling and the POWER button to make a choice.
6. Select Yes - Delete All user data and press the POWER button to confirm the operation.
7. Overload the phone, select reboot system now and press the POWER button to confirm the operation.
Hard Reset - advantages and disadvantages BLU Studio C Mini D670L?
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 reset the phone to factory settings. Removal of viruses that interfere with the normal operation of applications and the system. Solving various problems on the device that arise due to the conflict of applications.
Disadvantages of Hard Reset:
All data and applications will be permanently deleted. The need to have an up-to-date backup of your data, contacts, settings and media files. In some cases, it is impossible to remove all viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset you can use your phone, make sure you know the login / password to your google account. Before a hard reset, you must first log out of your google account. In this case, after performing a factory reset, the phone will not be locked by the FRP. If after a hard reset you cannot remember the login and password for entering your Google account, then you need to find instructions on bypassing the FRP blocking. You will need to contact the official service center to bypass the FRP protection on some new phone models.
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 personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Synchronize your data and contacts with Google contacts, Google drive. Backup your contacts and information. Using the service programs for your phone model, you can transfer important data to your PC.