Unlock bootloader and install Custom recovery - One (M8) Q&A, Help & Troubleshooting

I'm on 6.12.118.4, do I need to S-off to flash custom ROMs ?
Can someone give me a tool to unlock bootloader and flash custom recovery. ( should work on Marshmallow)
Thanks in advance.

You don't need S-Off to install custom ROMs.
You don't need tool for that, you need adb/fastboot & drivers - http://forum.xda-developers.com/showpost.php?p=64926362&postcount=4
1. unlock bootloader - http://www.htcdev.com/
2. install latest 3.0.2-0 TWRP recovery - https://twrp.me/devices/htconem8gsm.html
command : fastboot flash recovery twrp-3.0.2-0-m8.img

ckpv5 said:
You don't need S-Off to install custom ROMs.
You don't need tool for that, you need adb/fastboot & drivers - http://forum.xda-developers.com/showpost.php?p=64926362&postcount=4
1. unlock bootloader - http://www.htcdev.com/
2. install latest 3.0.2-0 TWRP recovery - https://twrp.me/devices/htconem8gsm.html
command : fastboot flash recovery twrp-3.0.2-0-m8.img
Click to expand...
Click to collapse
Thanks ckpv5. is there any limitation when unlock your bootloader without s-off (can flash any ROM?) ?

No limitation because you have the latest Marshmallow firmware installed.
You can install any ROM .. Sense, AOSP and GPE.
For GPE, use the flashable GPE ROM not GPE RUU

ckpv5 said:
No limitation because you have the latest Marshmallow firmware installed.
You can install any ROM .. Sense, AOSP and GPE.
For GPE, use the flashable GPE ROM not GPE RUU
Click to expand...
Click to collapse
Thanks for the all help, I wanted to flash leedroid on my M8 (t mobile Poland- T-MOB009) i can flash any custom rom right ? or it has to be t-mobile variant ROM ?

This is going to be my last reply as you keep asking the same question and I replied with the same answer.
Yes ... any ROM .. means any GSM ROM (not Verizon, not Sprint).
Your T-Mobile is not a US T-mobile .. so yes ... any ROM
I hope you do understand the meaning of any ROM .. means any ROM

werty733 said:
Thanks for the all help, I wanted to flash leedroid on my M8 (t mobile Poland- T-MOB009) i can flash any custom rom right ? or it has to be t-mobile variant ROM ?
Click to expand...
Click to collapse
Any ROM from the "main" M8 Development forum or Original Development forum is fine.
Just stay away from ROMs intended specifically for Verizon, Sprint, Dual SIM or M8 Eye (and the last 2 don't have many ROMs at all). And those ROMs are posted to other variant-specific Development sections.

How to root after unlocking my bootloader ?? im 6.0

Monzer_ said:
How to root after unlocking my bootloader ?? im 6.0
Click to expand...
Click to collapse
Flash SuperSU 2.82 or Magisk 13.3 (whichever you prefer).

ckpv5 said:
You don't need S-Off to install custom ROMs.
You don't need tool for that, you need adb/fastboot & drivers - http://forum.xda-developers.com/showpost.php?p=64926362&postcount=4
1. unlock bootloader - http://www.htcdev.com/
2. install latest 3.0.2-0 TWRP recovery - https://twrp.me/devices/htconem8gsm.html
command : fastboot flash recovery twrp-3.0.2-0-m8.img
Click to expand...
Click to collapse
i'm sorry to bother you but but i have a doubt: does it matter what CID or MID i have in order to unlock the bootloader, instal twrp and flash a zip rom?
thanks in advance for your reply

d_g_m_2000 said:
i'm sorry to bother you but but i have a doubt: does it matter what CID or MID i have in order to unlock the bootloader, instal twrp and flash a zip rom?
thanks in advance for your reply
Click to expand...
Click to collapse
Not ckpv5 but I can answer as well:
It doesn't matter. No need to worry about them.

d_g_m_2000 said:
i'm sorry to bother you but but i have a doubt: does it matter what CID or MID i have in order to unlock the bootloader, instal twrp and flash a zip rom?
thanks in advance for your reply
Click to expand...
Click to collapse
I somewhat disagree with the previous response. There are some cases where CID and MID matter:
1) Verizon version, which does require s-off to unlock bootloader (that carrier forced HTC to block bootloader unlock via the normal means HTCDev.com).
2) Verizon and Sprint versions use a different kernel, so the ROM needs to support Verizon/Sprint specifically, otherwise the ROM won't boot. Or another option, is to install the proper kernel after flashing the ROM.
3) Some M8 variants, like the M8s, which requires a different (its own) TWRP version.
But it is true, for the majority of M8 versions, CID and MID don't make a difference for unlocking bootloader, custom recovery, and custom ROM.
Do fastboot getvar all, and post the results (delete IMEI and serial number before posting) if you want us to take a look, and confirm.

thanks for your answers.. it help me

Related

Install 4.4.3 on rooted HTC One M8

Hi,
I did a few searches but didn't find a solution.I have a developer M8 rooted and S-off. It's running 4.4.2. How do I go about installing the 4.4.3 OTA HTC apdate? Would I loose root and S-off in the process? Do I need to go back to stock to apply this update or do I need to take the update at all. I'm looking to flash the latest Viper rom and just wanted to check before I do. Sorry if this question was ask before.
When your target is to flash a custom ROM based on 4.4.3; you don't really need all those going back to stock and apply OTA stuff
What you need is flash the 4.4.3 firmware of device version then install ROM ... that's all
bammyman said:
Hi,
I did a few searches but didn't find a solution.I have a developer M8 rooted and S-off. It's running 4.4.2. How do I go about installing the 4.4.3 OTA HTC apdate? Would I loose root and S-off in the process? Do I need to go back to stock to apply this update or do I need to take the update at all. I'm looking to flash the latest Viper rom and just wanted to check before I do. Sorry if this question was ask before.
Click to expand...
Click to collapse
ckpv5 said:
When your target is to flash a custom ROM based on 4.4.3; you don't really need all those going back to stock and apply OTA stuff
What you need is flash the 4.4.3 firmware of device version then install ROM ... that's all
Click to expand...
Click to collapse
Sup ckpv5, are you able to point me in the right direction to accomplish this?
bammyman said:
Sup ckpv5, are you able to point me in the right direction to accomplish this?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=54408500&postcount=9592
bammyman said:
Sup ckpv5, are you able to point me in the right direction to accomplish this?
Click to expand...
Click to collapse
First make sure you do have the developer M8 as I find many said the same thing but in actual fact they are not.
If yes ... I have the untouched 2.22.1540.4_firmware.zip here : http://sourceforge.net/projects/htconem8/files/2.22.1540.4_firmware.zip/download
then follow either this guide : http://forum.xda-developers.com/htc-one-m8/general/vomerguides-m8-bootldr-unlock-s-off-t2800727
or this guide : http://forum.xda-developers.com/htc-one-m8/development/firmware-flashing-panic-attacks-t2824048
on how to flash the firmware zip
As the firmware is untouched, it will restore the stock recovery to your device.
So after successfully flashed the firmware, you should flash the custom recovery of your choice again in order to flash the intended custom ROM.
I'm gathering from the OP's location and past devices, that AT&T is the carrier.
If so, I would recommend flashing the 2.23.502.3 posted here: http://forum.xda-developers.com/att-htc-one-m8/development/att-4-4-3-2-22-1540-3-debloated-sense-6-t2837365
This contains the latest AT&T firmware (including newest AT&T radio). Then flash whatever 4.4.3 custom ROM you want.
On the 2.22.1540 firmware, I was getting some random data drops on AT&T. After flashing the 2.23.502 firmware, everything is working perfectly for me.
EDIT: My bad, I somehow completely missed the critical point that the OP has the Dev Edition. ckpv5 is correct for the Dev Edition, 1540 firmware is what you want (the firmware released with the latest Dev Edition OTA).
That's why I said that he need to confirm whether he really has developer edition M8.
If it is At&T .. I will not recommend the Dev Edition firmware (in fact I will not get involve as I don't know much about At&T device)
ckpv5 said:
First make sure you do have the developer M8 as I find many said the same thing but in actual fact they are not.
If yes ... I have the untouched 2.22.1540.4_firmware.zip here : http://sourceforge.net/projects/htconem8/files/2.22.1540.4_firmware.zip/download
then follow either this guide : http://forum.xda-developers.com/htc-one-m8/general/vomerguides-m8-bootldr-unlock-s-off-t2800727
or this guide : http://forum.xda-developers.com/htc-one-m8/development/firmware-flashing-panic-attacks-t2824048
on how to flash the firmware zip
As the firmware is untouched, it will restore the stock recovery to your device.
So after successfully flashed the firmware, you should flash the custom recovery of your choice again in order to flash the intended custom ROM.
Click to expand...
Click to collapse
Appreciated your help here. I can confirm the phone came with a unlock bootloader and my CID number is BS_US002. Does this mean I got the developer version of the M8?
If so, do I just follow the guide you post above, and do I need to change my CID to the super 11111111?
bammyman said:
Appreciated your help here. I can confirm the phone came with a unlock bootloader and my CID number is BS_US002. Does this mean I got the developer version of the M8?
If so, do I just follow the guide you post above, and do I need to change my CID to the super 11111111?
Click to expand...
Click to collapse
BS_US002 is Dev Ed.
There is no need to change to SuperCID when flashing the firmware meant for your device version; no CID and MID change is needed.
ckpv5 said:
BS_US002 is Dev Ed.
There is no need to change to SuperCID when flashing the firmware meant for your device version; no CID and MID change is needed.
Click to expand...
Click to collapse
This part below, my phone freezes on the HTC logo. Do I repeat the entire step from beginning when it freezes or that specific command it freezes on? See below.
fastboot oem rebootRUU
Note: if this command freezes, just disconnect the USB cable and hold the power and volume down buttons until the device reboots.
Then, repeat the steps above again.
bammyman said:
This part below, my phone freezes on the HTC logo. Do I repeat the entire step from beginning when it freezes or that specific command it freezes on? See below.
fastboot oem rebootRUU
Note: if this command freezes, just disconnect the USB cable and hold the power and volume down buttons until the device reboots.
Then, repeat the steps above again.
Click to expand...
Click to collapse
Major thanks to you sir. I use the second guide you provide above after multiple fail with adb and all seems to be working fine. So if I understand you correctly, as long as I flash the latest firmware which I now have and regain recovery, there is no need to take the OTA from HTC to move from 4.4.2 to 4.4.3? So I can now flash roms base on 4.4.3 like Viper?
Yes...now you can flash 4.4.3 Sense based ROM like viper.
If you ever need the stock ROM, just follow the Stock Backup link in my sig.

Correct sequence for converting from carrier locked ?

If I want to convert my carrier locked m8, Vodafone, to 401 unlocked, what is the correct steps and sequence ?
Am I right with this...
1. S-off with sunshine after taking out box AND before taking any ota updates.
2. Install custom recovery. (So I can flash stock 401 ROM)
3. Flash firmware that matches ROM
4. Flash stock recovery.
The only real doubts I have are the order of steps especially firmware and ROM.
Is it firmware or ROM first ?
Thanks
Sent from M8
Hi,
If it's a GSM phone, Here's the guide for it,
http://forum.xda-developers.com/showthread.php?t=2708567
Good luck!
Thanks for reply but it's not sim unlock I want. I want to convert it from Vodafone UK software to stock wwe, 401, system.
I know the steps, just wondering that I've got the correct sequence in my op.
It is gsm because it's a UK phone.
Thanks
Sent from M8
10rdan said:
Thanks for reply but it's not sim unlock I want. I want to convert it from Vodafone UK software to stock wwe, 401, system.
I know the steps, just wondering that I've got the correct sequence in my op.
It is gsm because it's a UK phone.
Thanks
Sent from M8
Click to expand...
Click to collapse
the only drawback to doing the firmware after the rom is the rom will not have wifi on the old firmware
So the correct order is
unlock bootloader
flash custom recovery / root
s-off
flash firmware
flash rom
flash stock recovery
take updates
clsA said:
the only drawback to doing the firmware after the rom is the rom will not have wifi on the old firmware
So the correct order is
unlock bootloader
flash custom recovery / root
s-off
flash firmware
flash rom
flash stock recovery
take updates
Click to expand...
Click to collapse
Ok, thanks. Just wanted it confirmed before I "melted" the phone.
Sent from M8
clsA said:
the only drawback to doing the firmware after the rom is the rom will not have wifi on the old firmware
So the correct order is
unlock bootloader
flash custom recovery / root
s-off
flash firmware
flash rom
flash stock recovery
take updates
Click to expand...
Click to collapse
Been thinking about this, cause I like to have things clear before starting.
If I s-off with sunshine, because it will unlock bootloader without using HTCdev, then
1. Flash TWRP
2. Take nand
3. Then run this https://www.androidfilehost.com/?fid=95784891001609293
4. Take any ota updates
Will that remove the need to flash 401 firmware, ROM and stock recovery as 3 individual processes ?
Thanks
Edit, will change cid to HTC__001 before running RUU.
Sent from M8
10rdan said:
Been thinking about this, cause I like to have things clear before starting.
If I s-off with sunshine, because it will unlock bootloader without using HTCdev, then
1. Flash TWRP
2. Take nand
3. Then run this https://www.androidfilehost.com/?fid=95784891001609293
4. Take any ota updates
Will that remove the need to flash 401 firmware, ROM and stock recovery as 3 individual processes ?
Thanks
Edit, will change cid to HTC__001 before running RUU.
Sent from M8
Click to expand...
Click to collapse
The RUU will certainly shorten the update process ...Running Sunshine to unlock the bootloader without Root could be a problem
clsA said:
The RUU will certainly shorten the update process ...Running Sunshine to unlock the bootloader without Root could be a problem
Click to expand...
Click to collapse
Sunshine unlocked my bootloader ok with the m8 I'm using just now. Can't remember which hboot I was on at the time. Wasn't rooted, completely stock.
That's why I intend using sunshine BEFORE I take any ota updates, ie, as soon as I get it out the box.
Didn't use sunshine to, primarily, unlock bootloader at the time. It was a welcome "extra".
Cheers
Edit
Copied from Sunshine web site........
SunShine unlocks your device's bootloader and sets it to s-off (HTC ONLY). SunShine does NOT install root binaries on the device. There are a few ways to root your device after using SunShine. The most common and reliable method would be to flash TWRP recovery to your device via fastboot, and flash the root binaries or a rooted ROM from within TWRP.
Sent from M8
Did this yesterday on my new m8. Worked flawlessly with temp root. Rooted after using adb and flashed SuperSU.
Same Question...
So, i've been reading a lot but still don't understand everything right...
I already use sunshine and now my AT&T (4.4.3 by RUU (this)) is s-off and bootloader unlocked. What should be my next step? Just run that RUU that you post will work? And after that i can flash any ROM that need 4.4.4?
guire01 said:
So, i've been reading a lot but still don't understand everything right...
I already use sunshine and now my AT&T (4.4.3 by RUU (this)) is s-off and bootloader unlocked. What should be my next step? Just run that RUU that you post will work? And after that i can flash any ROM that need 4.4.4?
Click to expand...
Click to collapse
What are you trying to do exactly? If your intent is to convert to WWE version, or run the phone on non-AT&T networks, that what you describe is probably right.
If you intend to just update firmware and run the phone on AT&T's network, I don't personally recommend the WWE firmware, as it has caused issues for a lot of folks on AT&T.
redpoint73 said:
What are you trying to do exactly? If your intent is to convert to WWE version, or run the phone on non-AT&T networks, that what you describe is probably right.
If you intend to just update firmware and run the phone on AT&T's network, I don't personally recommend the WWE firmware, as it has caused issues for a lot of folks on AT&T.
Click to expand...
Click to collapse
Thanks for answer! I Already use my phone on non-AT&T netwoorks, as i am from Brazil. I also planning flash Android Revolution or maybe SkyDragon, and both require 4.4.4.
guire01 said:
Thanks for answer! I Already use my phone on non-AT&T netwoorks, as i am from Brazil. I also planning flash Android Revolution or maybe SkyDragon, and both require 4.4.4.
Click to expand...
Click to collapse
You just need to update the firmware, not run the entire RUU. Instruction here: http://forum.xda-developers.com/showthread.php?t=2696282
RUU will do it too, but it seems a bit overkill for what you are trying to do.
redpoint73 said:
You just need to update the firmware, not run the entire RUU. Instruction here: http://forum.xda-developers.com/showthread.php?t=2696282
RUU will do it too, but it seems a bit overkill for what you are trying to do.
Click to expand...
Click to collapse
Ok, i'll update just the firmware, but everytime i read about i got lost... For this, do i need to change CID and MID on my phone? Or i can get any firmware and flash since i am with s-off?

Help with my new htc

Hello everybody .. i bought two phones and both of them are htc m8 .. on one phone i got update via ota for lollipop ..but the one keeps telling me theres no updates available..and i cant root it via weaksauce ..any help?
Akhayev said:
Hello everybody .. i bought two phones and both of them are htc m8 .. on one phone i got update via ota for lollipop ..but the one keeps telling me theres no updates available..and i cant root it via weaksauce ..any help?
Click to expand...
Click to collapse
post the fastboot getvar all of both phones please without imei and serial number please.
Do not use toolkits, more trouble than their worth.
to root, flash TWRP 2.8.6.0 recovery, get it from here: http://dl.twrp.me/m8/
then flash superSU 2.46.zip from here: http://download.chainfire.eu/696/SuperSU/
when phone reboots to android, complete root setup by opening SuperSU app and update the binary if required.
Seanie280672 said:
post the fastboot getvar all of both phones please without imei and serial number please.
Do not use toolkits, more trouble than their worth.
to root, flash TWRP 2.8.6.0 recovery, get it from here: http://dl.twrp.me/m8/
then flash superSU 2.46.zip from here: http://download.chainfire.eu/696/SuperSU/
when phone reboots to android, complete root setup by opening SuperSU app and update the binary if required.
Click to expand...
Click to collapse
Okay thank you man ..how can i flash recovery?? And if i flashed recovery will i be able to flash gpe rom ?? Cos i read that you cant flash gpe rom if you have custom recovery ..and thank you again
Akhayev said:
Okay thank you man ..how can i flash recovery?? And if i flashed recovery will i be able to flash gpe rom ?? Cos i read that you cant flash gpe rom if you have custom recovery ..and thank you again
Click to expand...
Click to collapse
do you know how to use adb and fastboot ?
GPe custom roms require a custom recovery, if you want to do a full convert to GPe, you will need s-off.
Seanie280672 said:
do you know how to use adb and fastboot ?
GPe custom roms require a custom recovery, if you want to do a full convert to GPe, you will need s-off.
Click to expand...
Click to collapse
Yeah i know how to use them .. and i did s-off before and i paid 25$ to do it ..and yeah i want to convert my phone to GPE
Akhayev said:
Yeah i know how to use them .. and i did s-off before and i paid 25$ to do it ..and yeah i want to convert my phone to GPE
Click to expand...
Click to collapse
follow this guide: http://forum.xda-developers.com/showthread.php?t=2708589
Seanie280672 said:
follow this guide: http://forum.xda-developers.com/showthread.php?t=2708589
Click to expand...
Click to collapse
Thank you very much ..just one more question ..how can i know my phone's model ?? Like to convert my phone to GPE they said i should to have GOOGL1 MODEL OR SOMETHING LIKE THAT
Akhayev said:
Thank you very much ..just one more question ..how can i know my phone's model ?? Like to convert my phone to GPE they said i should to have GOOGL1 MODEL OR SOMETHING LIKE THAT
Click to expand...
Click to collapse
do a fastboot getvar all, it will tell you what your current model ID and cid is.
to change cid the command is fastboot oem writecid (whatever you need it to be, alway 8 characters long and capitals) requiresd cid is in the GPe conversion thread
to change mid follow this guide, required mid is in the GPe conversion thread: http://forum.xda-developers.com/showthread.php?t=2708581
then just follow the GPe conversion thread I linked earlier
This is what fastboot getvar all looks like, full device info:
Seanie280672 said:
do a fastboot getvar all, it will tell you what your current model ID and cid is.
to change cid the command is fastboot oem writecid (whatever you need it to be, alway 8 characters long and capitals) requiresd cid is in the GPe conversion thread
to change mid follow this guide, required mid is in the GPe conversion thread: http://forum.xda-developers.com/showthread.php?t=2708581
then just follow the GPe conversion thread I linked earlier
This is what fastboot getvar all looks like, full device info:
Click to expand...
Click to collapse
Thank you very much .. I did it

[Q] Help ! Need a Little Help before flashing 6.0 marshmallow ROM. Thanks in Advance

my Htc one M8 has Stock 4.4.4 kitkat and
i have HBoot Version- 3.190.0000
and radio- 1.09.20.0119
and TWRP Recovery version- V2.7.0.2 (Older bcoz New recovery not working)
Q.1 - i want to install SkyDragon 6.0 Marshmallow Sense 7 based Rom.. Do i Need or I have to install Stock 5.0.1 before flash 6.0 marshmallow ?
Q.2- Do i need to update HBoot version ?
Q.3- Do i need to update TWRP Recovery ?
Lets start by posting your output from the fastboot command :
Fastboot getvar all
Delete the serial and imei before posting. Then i can answer your questions
Mr Hofs said:
Lets start by posting your output from the fastboot command :
Fastboot getvar all
Delete the serial and imei before posting. Then i can answer your questions
Click to expand...
Click to collapse
i'm Sorry bro.. i didn't understand... did i do some mistake?
info2shail2010 said:
i'm Sorry bro.. i didn't understand... did i do some mistake?
Click to expand...
Click to collapse
No just read my post again. If we have all the information from the device we can't make mistakes in answering your questions. So if you would be so kind to post the result we can continue
Mr Hofs said:
No just read my post again. If we have all the information from the device we can't make mistakes in answering your questions. So if you would be so kind to post the result we can continue
Click to expand...
Click to collapse
Like this ? (i'm Sorry i m too Slow)
and i did a Big mistake... i think i Bricked the Device......
Mistakenly i touched on "Format Data" instead of "Factory Reset" on TWRP 2.7.0.2... and then i tried to Flash MaximusHD 5.0.1 ROM... now everytime i touch on reboot, phone comes on on boot loader.... Did i do something wrong with partition ? what should i do ?
As i suspected. In your first post you wrote your hboot was 3.19.....but it's 3.16 and therefore way too low for the latest roms.
You need to update the firmware first, then TWRP to the latest one and then flash one of the latest MM roms.
What was your cid before you changed it to supercid ?
And no you didn't brick it. This is just a software issue. A brick is when the phone won't go the bootloader or recovery anymore.
Mr Hofs said:
As i suspected. In your first post you wrote your hboot was 3.19.....but it's 3.16 and therefore way too low for the latest roms.
You need to update the firmware first, then TWRP to the latest one and then flash one of the latest MM roms.
What was your cid before you changed it to supercid ?
And no you didn't brick it. This is just a software issue. A brick is when the phone won't go the bootloader or recovery anymore.
Click to expand...
Click to collapse
thank you sir... you just saved my life... Sorry it was my mistake... you are right... hboot is 3.16.... i dont have Old CID... is it a gonna next prob ?:crying:
info2shail2010 said:
thank you sir... you just saved my life... Sorry it was my mistake... you are right... hboot is 3.16.... i dont have Old CID... is it a gonna next prob ?:crying:
Click to expand...
Click to collapse
Old cid should be a sprint one and software number is somewhat like 1.54.654.x
I would suggest to get back to a stock rom + recovery and then update the phones software + firmware via official ota.
Let's see if there is a backup available.
Edit :
I don't know much about sprint devices so check in the specific sprint section for a suited backup. The 1.54.654.x
Here you can find very detailed instructions on how to restore a backup successfully !
http://forum.xda-developers.com/showthread.php?t=3086860
Mr Hofs said:
Old cid should be a sprint one and software number is somewhat like 1.54.654.x
I would suggest to get back to a stock rom + recovery and then update the phones software + firmware via official ota.
Let's see if there is a backup available
Click to expand...
Click to collapse
ok but i dont have old CID ... will going back on stock rom and stock recovery will lock again my CID ?
how will i get stock rom and recovery... i mean should i search on HTC site or XDA ?
info2shail2010 said:
ok but i dont have old CID ... will going back on stock rom and stock recovery will lock again my CID ?
Click to expand...
Click to collapse
Edited my post above. Your supercid should not interfere with ota updates at all. More important is to get a pure stock backup. Or a RUU ..... hold on, a ruu would be an option too but it wipes the ENTIRE phone !
Edit : are you using it on sprint network ?
http://androidruu.com/getdownload.p..._NV_SPCS_1.52_003_release_418492_signed_2.exe
Here is a ruu that would suit your device. Put the phone in the bootloader/fastboot usb menu and execute the RUU.exe with admin rights from the pc (windows, usb 2.0 port connection) it will flash the phone to full stock.
When the ruu is successful you can flash the latest TWRP and flash the skydragon rom
Mr Hofs said:
Old cid should be a sprint one and software number is somewhat like 1.54.654.x
I would suggest to get back to a stock rom + recovery and then update the phones software + firmware via official ota.
Let's see if there is a backup available.
Edit :
I don't know much about sprint devices so check in the specific sprint section for a suited backup. The 1.54.654.x
Here you can find very detailed instructions on how to restore a backup successfully !
http://forum.xda-developers.com/showthread.php?t=3086860
Click to expand...
Click to collapse
tried lots of stock/custom rom... but none of them working.. bcoz i dont no the CID... "Get var all" is only showing 11111111... how do i know which model my phone is ?
Mr Hofs said:
Edited my post above. Your supercid should not interfere with ota updates at all. More important is to get a pure stock backup. Or a RUU ..... hold on, a ruu would be an option too but it wipes the ENTIRE phone !
Edit : are you using it on sprint network ?
http://androidruu.com/getdownload.p..._NV_SPCS_1.52_003_release_418492_signed_2.exe
Here is a ruu that would suit your device. Put the phone in the bootloader/fastboot usb menu and execute the RUU.exe with admin rights from the pc (windows, usb 2.0 port connection) it will flash the phone to full stock.
When the ruu is successful you can flash the latest TWRP and flash the skydragon rom
Click to expand...
Click to collapse
No.. i am from India.. and not using Sprint network...
info2shail2010 said:
No.. i am from India.. and not using Sprint network...
Click to expand...
Click to collapse
You can't flash the latest roms NOT because of your CID but because the firmware is outdated ! And as far as i can tell about your MID is that it's a sprint device.
You can only flash old kitkat roms at this time.
Maybe @redpoint73 can chip in .......
info2shail2010 said:
my Htc one M8 has Stock 4.4.4 kitkat and
i have HBoot Version- 3.190.0000
and radio- 1.09.20.0119
and TWRP Recovery version- V2.7.0.2 (Older bcoz New recovery not working)
Q.1 - i want to install SkyDragon 6.0 Marshmallow Sense 7 based Rom.. Do i Need or I have to install Stock 5.0.1 before flash 6.0 marshmallow ?
A. You only need to flash the firmware from Stock 5.0.1.
Go to the link below and flash this:
4.25.651.18 Full Firmware from RUU (fastboot flashable)
http://forum.xda-developers.com/showthread.php?t=2729173
This will also update your hboot to 3.19 so no need to answer Q.2.
Now, flash the latest TWRP, then go flash your favorite "SkyDragon 6.0 Marshmallow Sense 7 based Rom" by following the Dev's instructions on its OP.
All done.
Q.2- Do i need to update HBoot version ?
A. Answered Above.
Q.3- Do i need to update TWRP Recovery ?
A. Yes, flash the latest TWRP because the stock firmware you flashed has already replaced your custom recovery with a stock recovery. Obviously, you can't flash any custom ROM from Stock recovery.
Click to expand...
Click to collapse
Note: To go back to stock HTC:
Flash the stock RUU from here (follow the instructions in OP):
http://forum.xda-developers.com/showthread.php?t=2729173
Cheers
Mr Hofs said:
You can't flash the latest roms NOT because of your CID but because the firmware is outdated ! And as far as i can tell about your MID is that it's a sprint device.
You can only flash old kitkat roms at this time.
Maybe @redpoint73 can chip in .......
Click to expand...
Click to collapse
Yes... i tried some old kitkat but failed... as you said try sprint RUU.. i tried... and it worked.. ! u r god
info2shail2010 said:
Yes... i tried some old kitkat but failed... as you said try sprint RUU.. i tried... and it worked.. ! u r god
Click to expand...
Click to collapse
Great ! Good news
Enjoy
Mr Hofs said:
Great ! Good news
Enjoy
Click to expand...
Click to collapse
yeh... good news.. but Sim Network not working even i tried flashing boot.img via fastboot... ( flashed SkyDragon 6.0 marshamallow rom)
Mr Hofs said:
And as far as i can tell about your MID is that it's a sprint device.
You can only flash old kitkat roms at this time.
Maybe @redpoint73 can chip in .......
Click to expand...
Click to collapse
I agree, its the Sprint version according to the Model ID. I also agree with the above posts, that RUU is the best way to update the firmware.
But be aware that firmware is not the only potential pitfall on the Sprint version. Custom ROM support for the Sprint version is a little tricky due to kernel differences (with most other versions of the M8). You either need to stick to ROMs that explicitly state they support Sprint; or you may also be able to flash the proper kernel to make the ROM work. As-is (without modifying the kernel) Viper MM will not work on Sprint. I was reading on the ARHD thread, that some Sprint folks got that ROM working with the proper kernel, so the same may be true for Viper. But you should read up and learn more before messing with these ROMs and kernels.
info2shail2010 said:
yeh... good news.. but Sim Network not working even i tried flashing boot.img via fastboot... ( flashed SkyDragon 6.0 marshamallow rom)
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=64539538&postcount=32
Select mode GSM / UMTS, restart your device

some info please

I'm wanting to go custom but do I really need s_off and supercid or can I just unlock boot loader and be happy lol. I'm using a UK m8
No need S-Off
What you need :
The device now on Marshmallow firmware 6.xx.xxx.x
Unlocked Bootloader
Latest TWRP
Custom ROM
ckpv5 said:
No need S-Off
What you need :
The device now on Marshmallow firmware 6.xx.xxx.x
Unlocked Bootloader
Latest TWRP
Custom ROM
Click to expand...
Click to collapse
Hopefully I'll be ba Co here later all custom
ttocs99 said:
I'm wanting to go custom but do I really need s_off and supercid or can I just unlock boot loader and be happy lol. I'm using a UK m8
Click to expand...
Click to collapse
I think you are confusing custom ROMs with stock (HTC) ROMs (RUU).
Custom ROMs (as mentioned): s-on if fine, just need unlocked bootloader, and custom recovery TWRP
Stock/official ROM (RUU): If you are changing carrier/region versions, you need s-off and change the CID (or SuperCID). But this is not recommended nor necessary for most folks (only suggested for experienced users, with the proper circumstances).

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