HTC U Ultra Recovery Mode, Fastboot Mode and Download Mode

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

HTC U Ultra 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 U Ultra 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 U Ultra 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.

HTC U Ultra Download Mode allows users to flash ROM, Kernel, root packages (SuperSU), and perform system updates. It also helps restore the device to stock firmware from a custom firmware.

Also: HTC U12 Life Recovery Mode and Fastboot Mode

Boot HTC U Ultra into Recovery Mode

Below are the methods using which you can boot HTC U Ultra into Recovery Mode.

Boot HTC U Ultra Recovery Mode using Hardware Buttons

1. Power off your phone.
2. Once the device is off. Press and hold the Volume Down and Power button together for a few seconds.
3. As soon as the new menu appears on the screen you should release keys.
4. Now, choose the Reboot to Bootloader Mode using the Volume button and select it using the Power button.
5. Now, choose Recovery Mode using the Volume Down button and select it using the Power button.
   
6. As soon as the phone with the exclamtion piont appears on the screen hlod down Power button.
7. Press and release volume up key while holding down the Power button.
8. Now, your phone should boot into Recovery Mode.

Boot HTC U Ultra into Recovery using ADB command

1. First of all, install the HTC U Ultra USB Driver and ADB and Fastboot Drivers on your Windows computer.
2. 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.
3. Connect your device to computer and open Command Prompt (CMD).
4. Now, enter the below command in CMD to boot HTC U Ultra into Recovery Mode.

   adb reboot recovery

Boot HTC U Ultra into Fastboot Mode / Bootloader Mode

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

Boot HTC U Ultra Bootloader Mode/Fastboot Mode using Hardware Buttons

1. Power off your Phone.
2. Now, press and hold the Volume Down and Power button together for a few seconds.
3. As soon as the new menu appears on the screen you should release keys.
4. Now, choose the Reboot to Bootloader Mode using the Volume button and select it using the Power button.
5. Now, choose Bootloader mode using the Volume Down button and select it using the Power button.
   
6. Now, your phone should boot into Fastboot Mode.

Boot HTC U Ultra Bootloader Mode/Fastboot Mode using ADB command

1. Assuming ADB and Fastboot Drivers and USB Drivers installed on your computer.
2. 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.
3. Connect your device to the computer using a USB cable and open Command Prompt (CMD).
4. Enter the below command in the Command Prompt window.

   adb reboot bootloader

Boot HTC U Ultra Download Mode

1. Power off your Phone.
2. Press and hold Volume Down + Power buttons together for a few seconds.
3. Now, your phone should boot into Download Mode.
4. Now, choose Download Mode using the Volume buttons and select it using the Power button.