How to Boot Acer Liquid Z4 into Recovery Mode and Fastboot Mode

Want to know How to Boot Acer Liquid Z4 into Recovery Mode and Bootloader Mode or Fastboot Mode? Check out the instructions listed on this page to successfully boot Acer Liquid Z4 into Recovery Mode and Bootloader Mode or Fastboot Mode.

Acer Liquid Z4 Recovery Mode allows a user to troubleshoot and fix problems with their device. In addition, recovery mode can access some core functions of the device, such as factory resetting the device, wiping cache, Installing updates, backup and restoring data, flash root packages and other zip mods, etc.

Acer Liquid Z4 Fastboot Mode or Bootloader Mode is used to re-flash system partitions on the device. It is an alternative to the recovery mode but is more advanced. It helps to modify or write data directly to your device's flash memory.

Acer Liquid Z4 Bootloader Mode or Fastboot Mode can be used to unlock the bootloader, flash a custom recovery (CWM, TWRP, Philz, etc.), flash stock ROM, flash custom image files, and more.

Also: Asus ZenFone 4 Max Pro S425 Recovery Mode

Boot Acer Liquid Z4 into Recovery Mode

Below are the methods using which you can boot Acer Liquid Z4 into Recovery Mode.

Boot Acer Liquid Z4 Recovery Mode using Hardware Buttons

Power off your phone.
Once the device is off, press and hold the Volume Down + Power button together for a few seconds.
Release the keys as soon as you see the Asus logo and wait for few seconds.

Now, your phone should boot into Recovery Mode.

Boot Acer Liquid Z4 into Recovery using ADB command

First of all, install the Acer Liquid Z4 USB Driver and ADB and Fastboot Drivers on your Windows computer.
Now, enable "USB Debugging" on your phone from Developer Options. If Developer Options is missing, go to Settings → About Phone and tap on Build Number about 7-10 times.

Connect your device to computer and open Command Prompt (CMD).
Now, enter the below command in CMD to boot Acer Liquid Z4 into Recovery Mode.
```
adb reboot recovery
```

Boot Acer Liquid Z4 into Fastboot Mode / Bootloader Mode

Below are the methods using which you can boot Acer Liquid Z4 into Bootloader Mode or Fastboot Mode.

Boot Acer Liquid Z4 Bootloader Mode/Fastboot Mode using Hardware Buttons

Power off your Phone.
Press and hold Volume Down + Power button together for a few seconds.
Now, your phone should boot into Fastboot Mode.

Boot Acer Liquid Z4 Bootloader Mode/Fastboot Mode using ADB command

Assuming ADB and Fastboot Drivers and USB Drivers installed on your computer.
Enable "USB Debugging" on your phone from Developer Options. If Developer Options is missing, go to Settings → About Phone and tap on Build Number about 7-10 times.
Connect your device to the computer using a USB cable and open Command Prompt (CMD).

Enter the below command in the Command Prompt window.
```
adb reboot bootloader
```