Originally Posted by rosenbj
Can you describe the lock and unlock process you mentioned that is required before and after the RUU update.
Connect phone to computer, reboot into Hboot, and go into fastboot mode.
Open cmd prompt. Type the following to relock: fastboot oem lock
Run the RUU.
To unlock again: The bin file that you used to unlock originally may/may not work again. Reports vary, I was able to use the same one. In that case just:
Connect to PC, again in fastboot. Open cmd promt. Type: fastboot flash unlocktoken Unlock_code.bin
If it doesn't work, you may need to get another unlock token from HTCDev.com
---------- Post added at 01:38 PM ---------- Previous post was at 01:23 PM ----------
This guide will probably be helpful:
He repackaged the tools into one zip, but I think its basically the same thing as you described, just more detailed.
Also, according to the tutorial, you don't actually have to unlock before you run the RUU. Just make sure you root, and change to SuperCID before RUU. Similarly, you don't need to install CWM until after you RUU and unlock bootloader. Personally, I didn't know any better, and was paranoid. So I:
Not sure, but I think that the RUU wiped out CWM. It wasn't there after the RUU (just standard recovery) so I had to install again. So pretty sure the extra CWM install in the middle is extraneous.
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Phone: AT&T HTC One (M8)
Tablet: Samsung Galaxy Tab Pro 8.4 (WiFi only)