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[S-Off] Convert to HTC USA Unlocked 1.12.617.6

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By Ae3NerdGod, Senior Member on 15th December 2015, 10:38 PM
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this guide is probably not user friendly. im a long time htc user, and am just showing how i successfully converted my ATT A9 to the USA Unlocked A9 version 1.12.617.6

this should work for any A9 with the MID: 2PQ912000
if you have another MID like 2PQ910000, it may work but i cannot test
-see step 2b (thanks @alray)
i also cannot test to see if this ACTUALLY unlocks the phone, because i dont have a nanosim from another carrier
finally, i am not responsible if you mess your device up and make it unusable, this worked for me.

i used SuperCID, 11111111, but this also may work with the cid of the unlocked phone, BS_US001.
Note: if youre using a different cid and/or mid you will not be able to install OTA updates. (thanks @htconeXX and @JochenP)
Extra Note: if you used superCID already, you can change it and try OTA again without reflashing, given you have not modified /system (tested by me)

prerequisites:

1.12.617.6 RUU: Here

drivers, bootloader unlocked from htcdev, s-off using sunshine YES PAY FOR IT IT WORKS AND THEYRE GREAT PEOPLE theroot.ninja

fastboot and ability to use command line


steps:

step 1: boot into DOWNLOAD MODE

this is the BLACK SCREEN that you can get to from the bootloader
from cmd, run
Code:
 adb reboot bootloader
(or use the hardkey method)
which which will take you to the WHITE BOOTLOADER SCREEN
from there, navigate to "reboot to download mode" using the volume buttons and select with the power button

or

by turning off the phone, and holding the power + volume down buttons until you see the htc logo


step 2 change cid
once youre in the BLACK DOWNLOAD MODE screen, from your computer run

Code:
fastboot oem writecid BS_US001
from the command line (or fastboot oem writecid 11111111 for SuperCID)

(step 2b if your mid is something other than 2PQ912000 you can change it with the command

Code:
fastboot oem writemid 2PQ912000
which should allow you to flash the RUU (thanks @alray) )

then run
Code:
fastboot reboot-bootloader


step 3 go back into download mode, verify it says the cid youve chosen , and run the RUU you downloaded from above. follow the onscreen instructions to update your phone to 1.12.617.6


step4: re root, install recovery.
supersu BETA now supports /system-less root
you can find the TWRP flashible package here: http://forum.xda-developers.com/show...25&postcount=3


SYSTEMLESS SUPERSU is no longer beta, its WIP, and the post can be found HERE
the most recent supersu as of 12/31/15 is v2.65
(any supersu should suffice, but you know what they say, latest is greatest)


First flash twrp

Code:
fastboot flash recovery <recovery.img>
then boot into recovery and FORMAT YOUR DATA PARTITION
IGNORE PASSWORD PROMPT
GOTO WIPE>FORMAT DATA> and TYPE YES
reboot recovery
then sideload <supersu>.zip you downloaded earlier
go to advanced> adb sideload in TWRP
then from your computer run

Code:
adb sideload <supersu>.zip
which will patch your bootloader, and root your device
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16th December 2015, 02:54 PM |#2  
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Quote:
Originally Posted by Ae3NerdGod

if you have another MID like 2PQ910000, it may work but i cannot test

Someone did it in the ruu thread.
Code:
fastboot oem writemid 2PQ912000
nice guide
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17th December 2015, 01:37 AM |#3  
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Quote:
Originally Posted by alray

Someone did it in the ruu thread.

Code:
fastboot oem writemid 2PQ912000
nice guide

very useful. didnt know it was that easy on the a9. someone had to mess with hex to change the mid on the m8 i believe
17th December 2015, 07:16 PM |#4  
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Works with mobile Europe this method?,Thanks

Enviado desde mi HTC One A9 mediante Tapatalk
19th December 2015, 12:38 AM |#5  
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Quote:
Originally Posted by jureca

Works with mobile Europe this method?,Thanks

Enviado desde mi HTC One A9 mediante Tapatalk

Should work on any UHL variant
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19th December 2015, 01:17 PM |#6  
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Quote:
Originally Posted by alray

Should work on any UHL variant

Ok Thanks.

Enviado desde mi HTC One A9 mediante Tapatalk
19th December 2015, 07:52 PM |#7  
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If it helps, I have an s-off, unlocked bootloader supercid and was able to flash this on a at&t branded a9
20th December 2015, 08:41 AM |#8  
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Hi Ae3NerdGod
you don't have to use adb reboot bootloader and - adb reboot download boots direct to download mode
20th December 2015, 06:41 PM |#9  
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Quote:
Originally Posted by htconeXX

If it helps, I have an s-off, unlocked bootloader supercid and was able to flash this on a at&t branded a9

yep, like said above, this should work on any UHL variant.
21st December 2015, 01:46 AM |#10  
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Can you remove my at&t branding too? Lol that'd be awesome. Nice guide. I'll be doing this when my at&t one arrives

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24th December 2015, 04:20 AM |#11  
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Quote:
Originally Posted by alray

yep, like said above, this should work on any UHL variant.

Well with supercid s-off and stock unlocked rom, the 6.0.1 update will not take, downloads but wont install. I think I need to teh CID for a US unlocked phone.
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