2. Simultaneously hold down the Volume Up(+) and POWER buttons for a few seconds.
3. When the Android icon appears, release all keys.
4. Select the wipe data / factory reset option from the menu. Use the Volume Up(+)/Down(-) keys to navigate and the POWER key to confirm your selection.
5. Now, confirm the operation, select Yes and press the POWER button once.
6. Restart your phone, select "reboot system now" and confirm with the POWER button.
Hard Reset - advantages and disadvantages NUU Mobile A1?
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. Removal of viruses that block applications on the device and give persistent errors. Solving problems that arose after installing some applications and remained after they were removed from the phone.
Disadvantages of Hard Reset:
All data and applications will be permanently deleted. The need to create a backup. Not all viruses on Android can be removed even after returning to factory settings.
What needs to be done before the Hard Reset operation.
If you are going to do a hard reset on your phone, then be sure to make sure that you know the access data for your google account. You can sign out of your google account before resetting. In this case, after performing a factory reset, you do not need to enter the login password for your Google account and you can immediately use your device. 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. 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, sms, photos, videos) remains in the memory of your device, then there are the following options to save it:
Sync your data with Google contacts, Google drive. Backup your contacts and information. Transfer contacts, media files and important data to your PC using service programs for your smartphone model.