Need assist to get OTA - AT&T HTC One (M8)

Hi Guys,
I have an HTC One M8,
M8_UL_CA PVT SHIP S-OFF
CID-11111111
HBOOT-3.16.0.0000
RADIO-1.15.2133156.UA13G
OpenDSP-v38.2.2-00542-M8974.0311
OS-1.54.401.5
eMMC-boot 2048MB
If I undersand, it is an At&t variant? Does it? But the system is 1.54.401.5 (Android Revolution?).
When I attempt to update, this is what I have "We have determined that your phone may be running a modified version of its system software...." (cf the attachement)
What I have to do for receiving the OTA update?
- installing the recovery stock at&T but it doesn't match with the system on my phone
- installing the ruu at&t but i must change my cid to the at&t cid and i can't because i am not using the at&t carrier.

You need the stock AT&T ROM in order to OTA. But if you are not on AT&T's network, you probably won't receive the OTA anyway (this is AT&T specific, most other variants can be updated regardless of what network you are using).
CID has nothing to do with what carrier you use (its not like a SIM lock). It just allows/disallows installing of HTC software based on what version (CID) you have. It doesn't matter anyway, SuperCID will pass the CID check for the AT&T RUU. But did you change the MID also? As long as you have the right MID and SuperCID, you can run the AT&T RUU and just be updated to Lollipop (Lollipop RUU already available, no need to OTA).
Another option, you might consider changing the MID to a version that is better suited for your region (or an unlocked, or Developer's Edition) and install the stock ROM, firmware, and recovery for that version. Then you will be "fully converted" to another version and should get OTAs for that version.
AT&T stock software is a pile of crap, if you ask me. Not that good even on AT&T's network, and even worse if you are on another network.

Related

[Q] Official Update for LOCKED Bootloader with S-OFF and SuperCID

Hello.
I have purchased a new HOX+ International Version from eBay. The carrier is unlocked to work with Indian GSM operators, and the bootloader is LOCKED with S-OFF and SuperCID. When I checked for Software Updates, it said There are no updates available for your phone.
I have gone through this thread. However, I couldn't find any information that would help me.
I am looking for the Official Android 4.2.2 with Sense 5 OTA update. How do I get this?
If that is not possible, can I flash the firmware from this thread? From what I understand, the firmware belongs to HOX (Not Plus) T-Mobile Germany. Will this work on my HOX+ like the official update? Can I flash it as per the steps mentioned in that thread or do I have to perform any addition steps?
I have seen that there is a custom ROM by InsertCoin based on Android 4.2.2 with Sense 5 for the HOX+ . But I really want the Official version. Is there any hope for me?
Also, will changing the ROM, Rooting/Unrooting the Phone, Locking/Unlocking the Bootloader in any way affect my Unlocked Carrier mode?
Sorry for too many questions in one post.
The Bootloader screen displays the following information:
*** LOCKED ***
EVITARE_UL PVT SHIP S-OFF RL
CID-11111111
HBOOT-1.32.0000
CPLD-None
MICROP-None
RADIO-SSD:1.09.55.17
eMMC-bootmode: disabled
CPU-bootmode : disabled
HW Secure boot: enabled
MODEM TYPE: MDM9215M
Oct 20 2012, 13:45:56
I have attached screenshots of Software Information from the About section in Settings.
Please help.
Nobody?
Okay, I'll try and summarize my problem.
1. Is it possible to somehow get the OTA Update for Android 4.2.2 with Sense 5 on my HOX+ with a LOCKED bootloader, S-OFF and SuperCID? If not, can I safely flash the firmware from this thread which is for the HOX (not Plus).
2. Will changing the ROM, Rooting/Unrooting the Phone, Locking/Unlocking the Bootloader in any way affect my Unlocked Carrier mode?
Please help. :fingers-crossed:
You can relock bootloader with toolkit and flash any RUU of HOX+ you want (since you have super CID and S-OFF ), then you can receive OTA updates
mitaysh said:
Hello.
I have purchased a new HOX+ International Version from eBay. The carrier is unlocked to work with Indian GSM operators, and the bootloader is LOCKED with S-OFF and SuperCID. When I checked for Software Updates, it said There are no updates available for your phone.
I have gone through this thread. However, I couldn't find any information that would help me.
I am looking for the Official Android 4.2.2 with Sense 5 OTA update. How do I get this?
If that is not possible, can I flash the firmware from this thread? From what I understand, the firmware belongs to HOX (Not Plus) T-Mobile Germany. Will this work on my HOX+ like the official update? Can I flash it as per the steps mentioned in that thread or do I have to perform any addition steps?
I have seen that there is a custom ROM by InsertCoin based on Android 4.2.2 with Sense 5 for the HOX+ . But I really want the Official version. Is there any hope for me?
Also, will changing the ROM, Rooting/Unrooting the Phone, Locking/Unlocking the Bootloader in any way affect my Unlocked Carrier mode?
Sorry for too many questions in one post.
The Bootloader screen displays the following information:
*** LOCKED ***
EVITARE_UL PVT SHIP S-OFF RL
CID-11111111
HBOOT-1.32.0000
CPLD-None
MICROP-None
RADIO-SSD:1.09.55.17
eMMC-bootmode: disabled
CPU-bootmode : disabled
HW Secure boot: enabled
MODEM TYPE: MDM9215M
Oct 20 2012, 13:45:56
I have attached screenshots of Software Information from the About section in Settings.
Please help.
Click to expand...
Click to collapse
I think you are quite lucky to get the S-OFF device.
Anyways, first of all, what you got is not International device (ENRC2B_U), but AT&T version of One X+.(EVITARE_UL)
As you said, you said you see such information is on the bootloader;
mitaysh said:
*** LOCKED ***
EVITARE_UL PVT SHIP S-OFF RL
CID-11111111
HBOOT-1.32.0000
Click to expand...
Click to collapse
So, I have to say, but I am so sorry that there is no 4.2.2 Sense UI 5 update for AT&T One X+, and it will release in the end of the year, or the first half of the next year.
ROMFlasherAce said:
You can relock bootloader with toolkit and flash any RUU of HOX+ you want (since you have super CID and S-OFF ), then you can receive OTA updates
Click to expand...
Click to collapse
But my bootloader is already locked. And there's already an RUU running on it.
sorceforge said:
I think you are quite lucky to get the S-OFF device.
Anyways, first of all, what you got is not International device (ENRC2B_U), but AT&T version of One X+.(EVITARE_UL)
...
...
So, I have to say, but I am so sorry that there is no 4.2.2 Sense UI 5 update for AT&T One X+, and it will release in the end of the year, or the first half of the next year.
Click to expand...
Click to collapse
Whoa! I was shocked to learn that! I always thought that the AT&T phones do not have the HTC branding at the top-center of the display.
Anyway, I do not mind waiting for the update. But do I have to do some changes to my bootloader or anything to be able to get the OTA? Or is the phone fine as it is, with SuperCID and S-OFF? (It's also carrier unlocked, btw.)
mitaysh said:
Whoa! I was shocked to learn that! I always thought that the AT&T phones do not have the HTC branding at the top-center of the display.
Anyway, I do not mind waiting for the update. But do I have to do some changes to my bootloader or anything to be able to get the OTA? Or is the phone fine as it is, with SuperCID and S-OFF? (It's also carrier unlocked, btw.)
Click to expand...
Click to collapse
Thinking of my experience on S-OFF htc phones, an OTA file could be flashed through fastboot, or stock recovery, but I am not sure you can receive the file through the air, I mean through the Internet because of that SuperCID.
sorceforge said:
Thinking of my experience on S-OFF htc phones, an OTA file could be flashed through fastboot, or stock recovery, but I am not sure you can receive the file through the air, I mean through the Internet because of that SuperCID.
Click to expand...
Click to collapse
Maybe I'm gonna go ahead and flash an OTA file. I'm hoping that the OTA files for HOX that are uploaded by some kind developers work well with my HOX+ too.
Thanks.
mitaysh said:
Maybe I'm gonna go ahead and flash an OTA file. I'm hoping that the OTA files for HOX that are uploaded by some kind developers work well with my HOX+ too.
Thanks.
Click to expand...
Click to collapse
Like I said before, you should not and cannot flash Sense 5 4.2.2 rom of International, because the two models are so much different in terms of hardware such as baseband modem and sound chip.
Sent from my One X+ using Tapatalk
sorceforge said:
Like I said before, you should not and cannot flash Sense 5 4.2.2 rom of International, because the two models are so much different in terms of hardware such as baseband modem and sound chip.
Sent from my One X+ using Tapatalk
Click to expand...
Click to collapse
No no, what I meant was I'd try to flash the AT&T HTC One X (not Plus, the HTC Evita) OTA when it's available. There isn't much stuff around for the "Plus" phones (HTC Evitare UL), I checked. There's no discussion forum here in XDA-D either.
But now I realize, even that shouldn't be possible. I'm just stuck. :crying::crying:
If you flash an OTA update from the HOX it will probably fail. On the small chance it does install, you will have a very expensive brick.....
Sent from my HTC One X+ using Tapatalk
mitaysh said:
No no, what I meant was I'd try to flash the AT&T HTC One X (not Plus, the HTC Evita) OTA when it's available. There isn't much stuff around for the "Plus" phones (HTC Evitare UL), I checked. There's no discussion forum here in XDA-D either.
But now I realize, even that shouldn't be possible. I'm just stuck. :crying::crying:
Click to expand...
Click to collapse
OK, to tell the truth, both phones are much different than that between One X+ International and One X+ AT&T.
To summarize;
1. One X (endeavor_u) : Tegra 3, 1GB RAM, 32GB storage
2. One X AT&T (evita_ul) : Snapdragon S4, 1GB RAM, 16GB storage
3. One X+ International (ENRC2B_U) : Tegra 3 AP37, 1GB RAM, 64GB storage
4. One X+ AT&T (EVITARE_UL) : Tegra 3 AP37, 1GB RAM, 32/64GB storage, however, MDM9615 modem chip, and other sound chip is inside, which is different from One X+ International.
Therefore, roms from both One X AT&T, and One X+ International variant are not suitable for your phone. I'm sorry.
Help me
sorceforge said:
OK, to tell the truth, both phones are much different than that between One X+ International and One X+ AT&T.
To summarize;
1. One X (endeavor_u) : Tegra 3, 1GB RAM, 32GB storage
2. One X AT&T (evita_ul) : Snapdragon S4, 1GB RAM, 16GB storage
3. One X+ International (ENRC2B_U) : Tegra 3 AP37, 1GB RAM, 64GB storage
4. One X+ AT&T (EVITARE_UL) : Tegra 3 AP37, 1GB RAM, 32/64GB storage, however, MDM9615 modem chip, and other sound chip is inside, which is different from One X+ International.
Therefore, roms from both One X AT&T, and One X+ International variant are not suitable for your phone. I'm sorry.
Click to expand...
Click to collapse
Hello guys I am new for this page so please help me out..!! I recently happen to buy a HTC ONE X+ 64gb the "4" th model which u mentioned in the above quote ..!! I am experiencing signel drop and it is not able to pick up even where there is signal available .!! Should I replace the device bought it from Ebay ..!!:crying:
Thanks for all the help and quick responses, guys.
I came across this post today, and was happy to learn that an OTA update for AT&T and Telus HOX+ is expected in early January.
Hi ,
I have the same description in the fastboot page. where you able to flash any rom or unlock the bootloader.
mitaysh said:
Hello.
I have purchased a new HOX+ International Version from eBay. The carrier is unlocked to work with Indian GSM operators, and the bootloader is LOCKED with S-OFF and SuperCID. When I checked for Software Updates, it said There are no updates available for your phone.
I have gone through this thread. However, I couldn't find any information that would help me.
I am looking for the Official Android 4.2.2 with Sense 5 OTA update. How do I get this?
If that is not possible, can I flash the firmware from this thread? From what I understand, the firmware belongs to HOX (Not Plus) T-Mobile Germany. Will this work on my HOX+ like the official update? Can I flash it as per the steps mentioned in that thread or do I have to perform any addition steps?
I have seen that there is a custom ROM by InsertCoin based on Android 4.2.2 with Sense 5 for the HOX+ . But I really want the Official version. Is there any hope for me?
Also, will changing the ROM, Rooting/Unrooting the Phone, Locking/Unlocking the Bootloader in any way affect my Unlocked Carrier mode?
Sorry for too many questions in one post.
The Bootloader screen displays the following information:
*** LOCKED ***
EVITARE_UL PVT SHIP S-OFF RL
CID-11111111
HBOOT-1.32.0000
CPLD-None
MICROP-None
RADIO-SSD:1.09.55.17
eMMC-bootmode: disabled
CPU-bootmode : disabled
HW Secure boot: enabled
MODEM TYPE: MDM9215M
Oct 20 2012, 13:45:56
I have attached screenshots of Software Information from the About section in Settings.
Please help.
Click to expand...
Click to collapse
It seems that you dont have an international version of the phone (enrc2b) , what you have got is the North American version of the phone (EVITARE) . So I am not sure if you will get the update in India or not . More over never flash HOX (Roms, kernels , etc etc ) anything on your phone since that will end up bricking your device , even you should not flash the any thing from the international version of the phone. Buddy the HOX+ (int) and HOX+(At&T) are two completely different device internally .
Try to install custom ROMS supported for At&T, more over Since you have S-OFF rooting and Flashing are easy for you , you dont even need to get the phone unlocked to obtain root or flash ROMs ..
---------- Post added at 07:42 AM ---------- Previous post was at 07:36 AM ----------
sorceforge said:
Thinking of my experience on S-OFF htc phones, an OTA file could be flashed through fastboot, or stock recovery, but I am not sure you can receive the file through the air, I mean through the Internet because of that SuperCID.
Click to expand...
Click to collapse
If you are on the ENRC2B version having a S-OFF will not stop you from getting a OTA update , since I got one. More over Having S-OFF will not require to have the device Unlocked or pushing a custom recovery through fastboot .
---------- Post added at 07:46 AM ---------- Previous post was at 07:42 AM ----------
tonysimonhere said:
Hi ,
I have the same description in the fastboot page. where you able to flash any rom or unlock the bootloader.
Click to expand...
Click to collapse
Guys if you have S-OFF you dont need to unlock the bootloader to flash CUSTOM RECOVERY , ROOTING , OR FLASHING ROMS,
S-OFF means Security OFF so do what ever you feel like with this phone , just dont get it bricked by flashing something that was meant for some other device.
ethanon said:
It seems that you dont have an international version of the phone (enrc2b) , what you have got is the North American version of the phone (EVITARE) . So I am not sure if you will get the update in India or not . More over never flash HOX (Roms, kernels , etc etc ) anything on your phone since that will end up bricking your device , even you should not flash the any thing from the international version of the phone. Buddy the HOX+ (int) and HOX+(At&T) are two completely different device internally .
Try to install custom ROMS supported for At&T, more over Since you have S-OFF rooting and Flashing are easy for you , you dont even need to get the phone unlocked to obtain root or flash ROMs ..
---------- Post added at 07:42 AM ---------- Previous post was at 07:36 AM ----------
If you are on the ENRC2B version having a S-OFF will not stop you from getting a OTA update , since I got one. More over Having S-OFF will not require to have the device Unlocked or pushing a custom recovery through fastboot .
---------- Post added at 07:46 AM ---------- Previous post was at 07:42 AM ----------
Guys if you have S-OFF you dont need to unlock the bootloader to flash CUSTOM RECOVERY , ROOTING , OR FLASHING ROMS,
S-OFF means Security OFF so do what ever you feel like with this phone , just dont get it bricked by flashing something that was meant for some other device.
Click to expand...
Click to collapse
So what next? did you tried a custom ROM? My phone also same to your phone.
manikumary said:
So what next? did you tried a custom ROM? My phone also same to your phone.
Click to expand...
Click to collapse
Well I have and I have the enrc2b version, how ever flashing a custom rom wont be a problem on the At&t also as long as the rom is correct.
One more observation , now a days the roms are not comming with the boot.img flashing script in it , so you have to flash it it manually using FASTBOOT else you can end up getting into a bootloop.
ethanon said:
Well I have and I have the enrc2b version, how ever flashing a custom rom wont be a problem on the At&t also as long as the rom is correct.
One more observation , now a days the roms are not comming with the boot.img flashing script in it , so you have to flash it it manually using FASTBOOT else you can end up getting into a bootloop.
Click to expand...
Click to collapse
this is my phone:
What is your HBoot version : 1.32.0000
What is your CID : 11111111
IS IT LOCKED or RE-LOCKED : Its showing locked on top of the screen
S-on or S-off : evitare_UL_ pvt ship s-off RL
Can i install enrc2b version? if so,link please?
Thanks.
No you cannot install the enrc2b version of the rom or recovery (they might brick your device, an expensive brick that is), use ROMS and Recovery for the At&t or the Telus version of the mobile
Recovery
http://forum.xda-developers.com/showthread.php?t=2074396
http://forum.xda-developers.com/showthread.php?t=1995002
ROMS:
CyanogenMod
http://forum.xda-developers.com/showthread.php?t=2135938
Sense 5
http://forum.xda-developers.com/showthread.php?t=2023889
http://forum.xda-developers.com/showthread.php?t=2098218
http://forum.xda-developers.com/showthread.php?t=2634421
http://forum.xda-developers.com/showthread.php?t=2567026
Warning : NEVER INSTALL ANY THING THAT IS MEANT FOR THE enrc2b (International) Version of HOX+

[Q] Help & Advice - Cincinnati Bell to AT&T

I need advice on the best (stable, easy, almost free) approach to getting my Cincinnati Bell HTC One to work on AT&T 4G LTE network. I have an AT&T sim and everything works except the 4G LTE service. The phone has an unlocked sim, S-off, unlocked bootloader, and is unrooted. I'm fine with running the standard AT&T ROM. No desire currently to have custom mods. Phone specifics listed below:
1. Should I change the MID and CID and try to get the AT&T OTA update to 4.4. Would this give me the correct radio/baseband to work on AT&T's 4G LTE? Probably would keep the phone another 15 months. I believe AT&T's MID is PN0712000 and CID is CWS__001 can someone confirm this is correct?
2. Should I install the AT&T stock update? Do I need to root first and would flashing the stock ROM give me appropriate radio/baseband to work on LTE?
3. Can I just install the AT&T radio/baseband to get LTE to work? Does the mainver software need to match the baseband version?
4. Should I flash a custom ROM? Would I also have to update radio files to get LTE?
Thanks for your help....
version: 0.5
version-bootloader: 1.55.0000
version-baseband: 4A.20.3263.16
version-cpld: None
version-microp: None
version-main: 3.22.422.1
version-misc: PVT SHIP S-OFF
serialno: FA34#######
imei: ###0####09#68
meid: 00000000000000
product: m7_ul
platform: HBOOT-8064
modelid: PN0713000
cidnum: HTC__017
battery-status: good
partition-layout: Generic
security: off
build-mode: SHIP
boot-mode: FASTBOOT
commitno-bootloader: dirty-fe1214a4f2
hbootpreupdate: 11
gencheckpt: 0
Follow-up
After installing many versions of AT&T firmware and basebands, changing CID and MID, none of it allowed LTE to work. Turns out if you bring an LTE capable, unlocked phone, to AT&T it will not get LTE sevice, unless AT&T adds your unlocked phone's IMEI to the AT&T LTE authorized data base. It is almost impossible to get AT&T to add it to the data base. The other option is to link your SIM card to an IMEI from an AT&T phone. A store rep can do this, but they will need to be convinced.
Cincinnati Bell Help
Hey I have a Cincinnati Bell unlocked HTC One as well and when I unlocked it and started using it with MetroPCS the 4g on it worked fine. So T-Mobile should work also.
I was also trying to unroot my HTC One because I want to do OTA updates. I saw your software number 3.22.422.1 is the same as mine and was wondering if you knew where to find a compatible RUU for it?
Also do you know if the software number 3.22.422.1 indicates that it is a Cincinnati Bell phone?
Any help would be much appreciated
JKPower said:
Hey I have a Cincinnati Bell unlocked HTC One as well and when I unlocked it and started using it with MetroPCS the 4g on it worked fine. So T-Mobile should work also.
I was also trying to unroot my HTC One because I want to do OTA updates. I saw your software number 3.22.422.1 is the same as mine and was wondering if you knew where to find a compatible RUU for it?
Also do you know if the software number 3.22.422.1 indicates that it is a Cincinnati Bell phone?
Any help would be much appreciated
Click to expand...
Click to collapse
Root doesn't matter for OTA updates, you must have stock recovery however.
OTA's are determined by the cid\mid of the device not which carrier you are currently using. (I go my Rogers kitkat ota while on T-Mobile in US) Most likely you will download over wifi anyway.
mb_guy said:
Root doesn't matter for OTA updates, you must have stock recovery however.
OTA's are determined by the cid\mid of the device not which carrier you are currently using. (I go my Rogers kitkat ota while on T-Mobile in US) Most likely you will download over wifi anyway.
Click to expand...
Click to collapse
Thanks for the info.
I tried installing the OTA KitKat update but just kept going into the teamwin recovery screen which is annoying.
And from researching this it's because I have rooted my phone so the only way to do the OTA update is to unroot my phone which is seemingly impossible, because I can't find the right RUU for my software version.
So I guess I'll have to manually update it
JKPower said:
Thanks for the info.
I tried installing the OTA KitKat update but just kept going into the teamwin recovery screen which is annoying.
And from researching this it's because I have rooted my phone so the only way to do the OTA update is to unroot my phone which is seemingly impossible, because I can't find the right RUU for my software version.
So I guess I'll have to manually update it
Click to expand...
Click to collapse
As I said before, you cannot apply an OTA with a custom recovery like teamwin. Needs to be stock recovery flashed for your 3.22.422.x version of OS. There is a thread of stock recoveries on the HTC ONE forum. Rooted doesn't mater you will loose it and have to reroot after the ota.
mb_guy said:
As I said before, you cannot apply an OTA with a custom recovery like teamwin. Needs to be stock recovery flashed for your 3.22.422.x version of OS. There is a thread of stock recoveries on the HTC ONE forum. Rooted doesn't mater you will loose it and have to reroot after the ota.
Click to expand...
Click to collapse
+1
he's right here's the site with all the stock recovery's
http://d-h.st/users/Guich/Stock Recovery

[Q] at&t htc one m8 RUU update to lollipop?????

hi ppl .... m using HTC ONE M8 (at&t unlocked),, I want to update it to android 5.0.2 through manual RUU update,,
but updating by this procedure,,,,will it relock my phone again from at&t carrier.
kindly advise
No, RUU will not SIM lock the phone again.
If the bootloader is unlocked, you need to relock.
But if the phone isn't modifed (bootloader unlock, root, etc.) then just backup you personal data (RUU will wipe the phone) and run the RUU.
same issue
anvesh.kalbhor said:
hi ppl .... m using HTC ONE M8 (at&t unlocked),, I want to update it to android 5.0.2 through manual RUU update,,
but updating by this procedure,,,,will it relock my phone again from at&t carrier.
kindly advise
Click to expand...
Click to collapse
I have same device with same issue as it's an at&t device and i'm no longer in their service so i decided to update my phone using RUU.
Bro so did you update to 5.0.2 using RUU?
and did the device stayed in unlocked mode (for other carieer)
would like to hear your experience (good and bad both)

[Q] Updating from 4.3 outside US

Hey Guys,
I want to know a safe way to update the phone from 4.3 to the latest version while being outside US(Im from Europe).
The phone is from AT&T so i cant get the OTA.
The phone is s-off and unlocked. CID is CWS__001
Can I just flash the latest RUU from HTC for AT&T?
I checked this link: http://www.htc.com/us/support/htc-one-att/news/
Will this RUU work with my phone?
Thanks for your time and help!
PS: The phone is not mine so I prefer taking extra safeties before trying anything.

Convert AT&T HTC M9 to Europe Edition?

I just bought a brand new HTC One M9. Unfortunately, it's an AT&T model, and I can't update the firmware because I live in the UK. It is running stock AT&T android 5.1, current firmware version is 2.11.502.18. I have S-OFF. I downloaded this RUU: RUU_HIMA_UHL_L50_SENSE70_HTC_Europe_1.32.401.17_Radio_01.01_U11440261_56.02.50306G_2_F_release_429340_signed_2_4.exe from this site: http://www.androidruu.com/?developer=M9
My worry is that, if I flash the RUU, I will be downgrading. Will this be a problem? Is there a more later version of a WWE RUU available elsewhere? Also, I want to remain being S-OFF, so will flashing an RUU return the device to S-ON, or is that only manually possible?
arif9m9 said:
I just bought a brand new HTC One M9. Unfortunately, it's an AT&T model, and I can't update the firmware because I live in the UK. It is running stock AT&T android 5.1, current firmware version is 2.11.502.18. I have S-OFF. I downloaded this RUU: RUU_HIMA_UHL_L50_SENSE70_HTC_Europe_1.32.401.17_Radio_01.01_U11440261_56.02.50306G_2_F_release_429340_signed_2_4.exe from this site: http://www.androidruu.com/?developer=M9
My worry is that, if I flash the RUU, I will be downgrading. Will this be a problem? Is there a more later version of a WWE RUU available elsewhere? Also, I want to remain being S-OFF, so will flashing an RUU return the device to S-ON, or is that only manually possible?
Click to expand...
Click to collapse
You first log on to ADB powershell, connect the phone in USB DEBUG mode, ensure HTC SYNC is installed and HTC driver is present. After this you change the CID and MID to the EU HTC variant, and then you may proceed to flash this ROM and hopefully find that BAND 40, and the rest of the EU LTE bands work. Let me know if this works. Even I have a spare HTC m9 that I'd like to carry during travel time. So far from T-mobile, to At&t and Rogers works like a charm for me.

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