Last Updated: June 5th, 2012
HTC tried to stop us. They made signed images, a signed kernel, and a signed recovery. They locked the memory. In short, the ThunderBolt is their most locked-down phone to date.
We fixed it for you. Unlike the root method we described yesterday, following the instructions below will provide S-OFF, remove signature checks, and unlock eMMC. Enjoy!
Rooting The ThunderBolt - Version 2.5
Update: This guide was updated to include some steps into the upgrade RUU, making it faster and safer
- Root with read/write access to /system
- Ability to downgrade and flash any RUU (i.e.
Last Updated: March 22nd, 2011
Update: Bootloader and recovery are both locked and signed. See new screenshot.
Update #2: The device has been rooted, and its bootloader has been unlocked!
Some of our good friends over at AndIRC (most thanks going to scotty2 for discovering it, and Trident for being the guinea pig) have discovered a bit of troubling information regarding the HTC Thunderbolt: its bootloader and recovery are locked. What does that mean, exactly?
Last Updated: September 28th, 2014
This article mentions rooting and flashing of custom ROMs. If you’re unfamiliar with either term, hit up our primers here
for additional information
Remember the 3-click SimpleRoot app that brought full root, including permanently unlocking NAND (that's something unrevoked doesn't do), to your EVO 4G? I sure do, as that's exactly how I rooted my EVO. However, If you applied the latest god forsaken EVO OTA, you may have found that that version of SimpleRoot no longer worked.