1. Load Xperia Companion to your computer. This can be done here www.support.sonymobile.com/global-en/tools/xperia-companion/.
2. Install the application to your computer.
3. Then turn off the phone and connect the phone to the PC using the Micro USB cable.
4. Open Xperia Companion and in the main menu, select Software Repair.
5. Confirm the process by selecting the appropriate option.
6. When the next menu appears, go to FastBoot Mode.
7. Hold down the Volume button button Connect the phone to the PC using the Micro USB cable.
8. Press the next button to start the recovery operation of the factory settings.
9. When the operation is completed, disconnect your device.
Hard Reset - advantages and disadvantages Sony Xperia Z4 Ultra?
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 the stability of its work. 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:
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. 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 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 personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Synchronization 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.
Summary: OS: Android (5.0); Rugged: Water, Dust resistant; IP certified: IP 68; Physical size: 4096 MB RAM (Dual-channel, 800 MHz) / LPDDR3; Built-in storage: 32 GB; Music player: ; Filter by: Album, Artist, Playlists; Features: Album art cover, Background playback; Supported formats: MP3; Video playback Supported formats: MPEG4, H.263, H.264; Speakers: Earpiece, Loudspeaker; YouTube player: Yes; Browser supports: HTML, HTML5; Built-in online services support: YouTube (upload), Picasa/Google+; Positioning: GPS, A-GPS; Navigation: Yes; Phonebook: Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID; Organizer: Calendar ...
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