[One (M7) Q&A, Help & Troubleshooting] tecknice:
Definitely agree with you Yatindroid ;) According to different sources, carriers make the deal more complicated, and it is the same here in France :silly: With the same remaining time of warranty, sending back our mobile phone to HTC after-sales service, is easier than to bringing back to our carriers.

For the first choice, we pay the shipping charges. Then HTC tiers-maintainer, most of the time, doesn't care and fix the problem .

For the second choice, the shipping coast is for the carrier. Besides, those companies are eager for saving money, thus before to ship the mobile to tiers-maintainer, they try to look an find any "contractual fault" avoiding the warranty (S-OFF, unlock, etc).

Thus, I have decided to leave my phone S-OFF since I'm 100% full stock, UNtampered and Locked and I will send it to HTC.

Thank you so much for all your helps.

My phone is now :

***locked***

M7_UL PVT SHIP S-OFF RH

CID-ORANG202

hboot-1.44.0000

radio-4D.17.3250.14

opendsp-v26.120.274.0202

eMMC-boot

may 5 2013

Factory reset

USB dead + microphone dead + main camera purple

To summarize,

1 - with your computer (my WiFi is 'rom system' Ko on my phone), find and download a 4.2.2 rom such as "HTC One MaximusHD 11.0.0"

2 - transfer your rom via bluetooth from the computer to the phone (long process depending of your rom size)

3 - flash the rom in your phone with TWRP at least the 2.7 version

4 - boot the phone system, check if the wifi connection works (now MY WIFI IS OK) and leave it activated, install superSU and ADBwifi

5 - with your computer, find and download "HTC One Toolkit" (HTCOT) 1.9.3 version or more, launch it

6 - start ADBwifi on your phone (green colour), open a CMD window on your PC, change directory to 'HTCOT' and do : adb connect [IP of your phone]:5555 (you should see "connected", if not try again...)

7 - I did push revone before, thus I assume that you already have a root phone... So, with 'HTCOT', do the "revone S-OFF" steps. Should see SUCCESS if not retry ('HTCOT' only work for 4.2 android rom and some 4.2.2 such as MaximusHD 11)

8 - When rebooting in bootloader, be sure to see "tampered + unlocked + S-OFF", if so reboot your phone system, connect wifi

9 - 2 IMPORTANT DOWNLOADS from your phone - "GURU RESET M7 xxxxx" rom corresponding to your CID (for me CID-ORANG202 thus I downloaded Guru Reset M7 2.24.73.1) + "Guru reset bootloader" (! you need both files from htc1guru.com !)

10 - In TWRP, Flash "GURUresetM7xxxx" rom with options : wipe all + installing root (if need later) + stock recovery + radio. ! When it's done, STAY IN TWRP (thanks to MAJMOZ)! (Do step by step slowly here because the software could freeze)

11 - In TWRP still, install "Guru reset bootloader" with options : remove tampered + lock the bootloader (Do step by step slowly here because the software could freeze)

12 - Reboot in bootloader and check the status ***Locked***

13 - Go to fastboot, then ONLY IF YOUR USB IS NOT DEAD - do a "fastboot oem writesecureflag 3" to S-ON your phone

14 - Reboot in bootloader 3 times and check that you read ***Locked*** + S-ON (no sign of tampered and unlocked). For those whom the USB is dead, you are still S-OFF of course :crying:

15 - Boot your carrier android system, if you need to backup your personal data, do it... then reboot to bootloader and do a factory reset (you will lose everything)

16 - Send your phone directly to HTC after-sales service for warranty repair if S-OFF :D or to your carrier support if S-ON (depending of your country)

LAST STEP :

I wish to confirm you in few weeks if S-OFF is a big deal for HTC after-sales service :cowboy: