2. Press and hold the Volume Up(+) button and the POWER button at the same time for a few seconds.
3. When Recovery mode appears, release both buttons.
4. Highlight the wipe data / factory reset menu item. Use Volume Up(+)/Down(-) to navigate the menu and press the POWER button to continue.
5. Confirm the reset operation, select Yes and press the POWER button to continue.
6. Restart your phone, select "reboot system now" and press the POWER button to continue.
Hard Reset - advantages and disadvantages NUU Mobile M3?
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 get a completely clean phone from user settings and data. Removing viruses that have entered your phone. Solving problems that have arisen due to the conflict of some applications and those remaining after they were removed from the phone.
Disadvantages of Hard Reset:
Your files and data will be irretrievably lost. The need to create a backup. 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 can sign out of your google account before resetting. Then you do not need to enter the login password to your Google account and you can immediately use your device. If after a hard reset you cannot use the phone because the phone is locked by FRP, then you need to use the instructions for bypassing the FRP lock for your phone model. However, not all smartphones can bypass this protection. Owners of some phone models, especially the newest ones, will have 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:
Sync your data with Google contacts, Google drive. Backup your data, contacts and media. Transfer contacts, media files and important data to your PC using service programs for your smartphone model.