
If you entered the bootloader using adb reboot-bootloader, FASTBOOT USB should already be highlighted in red. You are aiming for the words FASTBOOT USB to be highlighted in red on the screen. If you entered the bootloader using the phone buttons, select FASTBOOT, then connect the phone to your computer.Īssuming that your HBOOT version is at least (see previous section on HBOOT update), follow the unlock instructions on HTCdev: To check that this worked, just run adb reboot-bootloader again and check that your HBOOT version is at least.unruu PD9810000_Ace_Sense30_S_hboot_.exe This will create a file called rom.zip in the current directory. (Your package manager probably has a version of unshield available!) If you have access to a Windows machine, you may further note that it doesn't work! However, there is another way which works, and has the added bonus of Linux and Mac compatibility! We simply need to follow some instructions from Petter Reinholdtsen's blog. You will note that the RUU update is a Windows executable.Then compare this version to the versions in the table, and download the matching one. (Hint: Go to About phone -> Software information -> Software number to determine your ROM version. Follow the instructions to download the correct RUU update for your device.If your HBOOT version is less than, do an RUU update as follows: It needs to be at least to be able to unlock. To check, run adb reboot-bootloader and check your HBOOT version. It is likely you will need to do an RUU update before the bootloader can be unlocked.
