Hard reset Sony Xperia Z4 Ultra

OS: Android 5.0 (Lollipop)

CPU: Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)

Display: 6.44 inches, 114.3 cm²

Battery: Non-removable Li-Ion 4000 mAh battery

For Hard reset Sony Xperia Z4 Ultra use following steps

1. First you need to download the Xperia Companion program to your computer.

2. You can take the program here www.support.sonymobile.com/global-en/tools/xperia-companion/

3. You need to install Xperia Companion on your PC now

4. Then turn off your phone using the power key and prepare the USB Type-C cable connected to your computer.

5. From the Xperia Companion Main Menu select Software repair

6. Then confirm the next action

7. When the following connection menu appears, turn on your smartphone to Fastboot Mode.

8. After that, press the Volume Down button and while holding this button, connect the USB Type-C cable to the device.

9. Then read the important information about the process and click the Next button to start the factory reset operation.

10. If the operation is over, disconnect your smartphone

11. Turn on your smartphone

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.