How to Boot HTC One A9 Recovery Mode

Are you looking for the instructions on How to Boot HTC One A9 into Recovery Mode and Bootloader Mode or Fastboot Mode? Then your search ends here; on this page, we have shared instructions on how to boot HTC One A9 into Recovery Mode and Bootloader Mode or Fastboot Mode.

HTC One A9 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.

HTC One A9 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.

HTC One A9 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: HTC Wildfire E1 Recovery Mode and Fastboot Mode

Boot HTC One A9 into Recovery Mode

Below are the methods using which you can boot HTC One A9 into Recovery Mode.

Boot HTC One A9 Recovery Mode using Hardware Buttons

Power off your phone.
Once the device is off. Press and hold the Volume Down and Power button together for a few seconds.
Release the keys as soon as you see the Android logo on the screen.

Now, choose Recovery Mode using the Volume buttons and select it using the Power button.
Now, your phone should boot into Recovery Mode.

Boot HTC One A9 into Recovery using ADB command

First of all, install the HTC One A9 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 HTC One A9 into Recovery Mode.
```
adb reboot recovery
```

Boot HTC One A9 into Fastboot Mode / Bootloader Mode

Below are the methods using which you can boot HTC One A9 into Bootloader Mode or Fastboot Mode.

Boot HTC One A9 Bootloader Mode/Fastboot Mode using Hardware Buttons

Power off your Phone.
Now, press and hold the Volume Down and Power button together for a few seconds.

Release the keys as soon as you see the Android logo on the screen.
Now, your phone should boot into Fastboot Mode.

Boot HTC One A9 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
```