2. Next, press and hold the Volume Up(+) and POWER button for a few seconds.
3. As soon as it appears Boot Mode, release all the keys.
4. Select option Recovery using Volume Up(+) and Volume down button to confirm .
5. When the Android image appears on the screen, press the POWER button to enter Recovery Mode.
6. To select wipe data / factory reset Use Volume Down(-), and then press the POWER button to confirm.
7. Select Yes - Delete All User Data. Use the Volume Up(+)/Down(-) buttons to scroll and the POWER button to select.
8. Overload the phone, select reboot system now and POWER button for selection.
Hard Reset - advantages and disadvantages Acer Liquid Z330?
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, thereby improving its performance. Removal of viruses that block applications on the device and give persistent errors. Solving problems that have arisen due to the installation of some applications on the phone and have not disappeared after they were removed from the phone.
Disadvantages of Hard Reset:
Completely remove all user files and settings on the device. The need to back up contacts and all user data. 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. ÒYou can sign out of your google account before resetting. To use your device immediately without any problems. If, after resetting the settings, the phone is blocked by the FRP and you cannot remember the login and password for entering your Google account, then for most models there is an instruction for bypassing this protection (FRP). Not all owners of new phone models will be able to bypass the protection of the FRP and for this they 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, 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. Using the Titanium Backup program, create a backup. Transfer contacts, media files and important data to your PC using service programs for your smartphone model.