This is for people that used either of the leak root methods. The engineering bootloader is an unsecured bootloader, and is better in many ways (google it I am not explaining why). Just say its harder to brick with it. Before attempting, please check your md5sums. I want to thank Framework for being my punching back and helping with this. And the desire guy's who's work stuck in my head and gave me this idea (Sorry I forgot who you are!!). Needed Files: Original Root Rom - PB00IMG.zip - 63eacc5ede3b179f95dc22d8ef585f94 Custom Misc Image - custom.img - 19de71cf42b3a7992d2660e7980c50bf Fastboot for linux - 4baca1f80fc9bb31aa75fd3fee2cc36b Amon's Recovery - 354d30c38c59b442340c8b72aa9f547e Windows users should have fastboot in the sdk, and mac users I dont have a copy of yours. lash_image - 16559f2c27d08ff1ddfcaca05fbf10fb Step 1: Get follow root tutorials and get amon's recovery installed. If you want to skip installing a new rom after rooting, You can flash EngTools.zip will root your device . If you flash engtools you can skip step 2. Step 2: Take a nandroid backup, if you wish as this will wipe your device. Code (Text): adb push flash_image /data/local/flash_image adb shell chmod 777 /data/local/flash_image Step 3: Push custom.img to your phone Code (Text): adb push custom.img /data/local/custom.img Custom.img is the misc img for your device, it contains the mainversion. I took one off a rooted phone and hex edited the version to be lower than the original root rom so it will flash. Step 4: Copy PB00IMG.zip to your sdcard Step 5: Flash custom.img If you flashed engtools3.zip (http://www.multiupload.com/L97EUYBG3V) Code (Text): adb shell flash_image misc /data/local/custom.img If you pushed flash_image Code (Text): adb shell /data/local/flash_image misc /data/local/custom.img Step 6: Reboot to Bootloader and flash PB00IMG.zip Code (Text): adb reboot bootloader After the new rom is flashed, you can now use fastboot to flash a recovery image while in the bootloader Code (Text): fastboot flash recovery recovery.img Enjoy Like my work? Buy a bum a beer downtown or donate to local homeless youth org.