Here's my story. I hope someone out there can help. I've tried just about everything and can't figure this out.
I have an AT&T HTC One m7. A while back, I was S-OFF, unlocked, rooted, and happily running ARHD. Then, a few months back, my S-OFF flag randomly became S-ON, and that's where my problems began. I think it may have tripped back to S-ON while upgrading firmware (perhaps I accidentally flashed a signed firmware... I don't know). I originally S-OFF'd with revone, but my HBOOT was 1.56 when the S-ON tripped back on. I tried rumrunner and firewater incessantly, until at one point firewater did say I was S-OFF... but I wasn't actually S-OFF. Don't ask me how, but somehow I also managed to change my cid from 11111111 to HTC__001. I now cannot change it to CWS_001 as required for AT&T.
I've tried various combinations of roms and such to get S-OFF, but nothing is working. Tonight I just went back to stock using the 4.19 AT&T ("Cingular") RUU and having a relocked bootloader. That is my current setup. (see my "fastboot getvar all" results below)
Now what is really interesting is that just last night I realized that when I run "fastboot oem readsecureflag", I get the following result:
fastboot oem readsecureflag ... (bootloader) secure_flag: 1350856192 OKAY [ 0.001s] finished. total time: 0.001s
fastboot oem writesecureflag 3 ... (bootloader) This project does not support SD card OKAY [ 0.001s] finished. total time: 0.001s
By the way, running rumrunner doesn't work, and running firewater now (even with all of the requirements met) just gives me the error "there isn't a helluva lot to do here" - meaning firewater still thinks it managed to get me S-OFF, probably due to my strange secure flag number.
Any help would be appreciated!!!!
Here is my getvar results:
fastboot getvar all (bootloader) version: 0.5 (bootloader) version-bootloader: 1.56.0000 (bootloader) version-baseband: 4T.24.3218.09 (bootloader) version-cpld: None (bootloader) version-microp: None (bootloader) version-main: 4.20.502.1 (bootloader) version-misc: PVT SHIP S-ON (bootloader) serialno: ___ (bootloader) imei: ___ (bootloader) meid: 00000000000000 (bootloader) product: m7_ul (bootloader) platform: HBOOT-8064 (bootloader) modelid: PN0712000 (bootloader) cidnum: HTC__001 (bootloader) battery-status: good (bootloader) battery-voltage: 4076mV (bootloader) partition-layout: Generic (bootloader) security: on (bootloader) build-mode: SHIP (bootloader) boot-mode: FASTBOOT (bootloader) commitno-bootloader: dirty-c6bbb6d4 (bootloader) hbootpreupdate: 11 (bootloader) gencheckpt: 0 all: Done! finished. total time: 0.049s