Originally Posted by lhamilton1807
Flashtool says my phone is locked and can't be updated.
Then maybe put your phone in fastboot mode and flash the kernel first... IDK, I did that once and I'm pretty sure that's how I fixed it. With 7zip you can extract the "kernel.sin" file from the FTF, and use Flashtool in Fastboot mode to flash that kernel.
MB525 - Bayer Camera - Slim-mb526-4.4.2.beta.2.4-UNOFFICIAL-20140120-1830
Sony Xperia TX LT29i - CARBON-KK-UNOFFICIAL_Hayabusa_build7