2. After that, you need to press and hold the POWER button while the phone does not depend.
3. Then release the POWER button, press and hold the Volume Up(+) and Volume Down button for a few seconds.
4. Press the camera button to confirm the operation Clean Boot.
5. Operation Completed.
Hard Reset - advantages and disadvantages Acer Liquid Z4?
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:
Ability to clear the phone to factory settings. Remove viruses and malware that block applications on the device. Solving problems that have arisen on the device between applications and for example bluetooth.
Disadvantages of Hard Reset:
Completely deletes all user data on the device. The need to have an up-to-date backup of your data, contacts, settings and media files. After returning to factory settings, some viruses may remain in the phone.
What needs to be done before the Hard Reset operation.
In order to use the phone after a hard reset and it is not blocked by the FRP, make sure that you know the login / password to your google account. You can sign 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 use your device. If, after the hard reset procedure, the phone is locked by the FRP and you cannot log into your Google account, then you need to find instructions for bypassing the FRP lock for your phone model. 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 important information remains in the memory of your phone, then there are the following options to save it:
Synchronize your phone with Google contacts, Google drive. Create a backup using Titanium Backup. Using the service programs for your phone model, you can transfer important data to your PC.