Originally Posted by rvain
download hboot here :
i cant put link here need 10 post. google this keyword from htc1guru --> 1.29.401.12 hboot 1.44
make sure android-info.txt has your model id and cidnum. edit it if dont have.
fastboot erase cache
fastboot oem rebootRUU
fastboot flash zip 1.29.401.12_hboot_1.44.zip
this is exactly what i do. hope can help u. my device is m7_ul gsm HTC__044.