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Root Htc one m8 stuck in infinite boot loop

so I had just finised rooting my htc ine m8 and them U did something stupid. I forgot my password. so I reset my phone but while doing this I think I wiped the os or something important because anytime I try to turn on my phone it gets stuck at the htc logo. I can acsess my bootloader and TWRP. Sorry im super new to android

my phone is unlocked and wo but was originally running on att in the us. my
 

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If we knew exactly what you did we might be able to select a better solution. But otherwise either using an RUU to return to stock or taking this as an opportunity to install a custom ROM are the obvious solutions.

Have a look in the M8 Root forum for information about these things.
 
i need help i rooted my HTC ONE M8 and tried to install a new rom it failed and now my phone is in boot loop.

M8 _UL PVT SHIP S-ON
HBOOT-3.19.0.0000
RADIO-1.25.214500021.06G
OPENDSP-v48.2.2-00546-M8974_F0.1211 OS-
EMMc-boot 2048 mb

- this was the video i followed

Can someone please get back to me asap with help.
 
The instructions are fair enough, HOWEVER -

If you followed those instructions exactly then you got recovery from here -

http://htconeroot.com/cwmtwrp-recoveries/

And that's where the guide breaks down, they have no business hosting older recoveries. CWM recovery is NOT a valid choice here, it's been pretty much abandoned since shortly after the phone came out.


You want to get the latest recovery right from the source -

http://teamw.in/devices/htconem8gsm.html

Specifically (as of today, others reading this in the future need to check from the link above) -

https://dl.twrp.me/m8/twrp-2.8.6.1-m8.img.html

Place into your fastboot folder, put the phone into FASTBOOT USB mode and -

fastboot flash recovery twrp-2.8.6.1-m8.img


Most unfortunately, they took the big shortcut and jumped right to flashing after installing recovery - and that's wrong, it's essential to have a nandroid backup of your stock system before proceeding to flash anything. :mad: Hopefully you've rooted before and caught the mistake. :(

They also have no business handing out old versions of SuperSU. Bookmark this page -

http://forum.xda-developers.com/showthread.php?t=1538053

Always get SuperSU from the source.

If you acquired the rom from a listing here, at XDA, or from a developer site with a support thread at XDA then your bootlooping is probably caused by a bad kernel flash. Unzip the rom on your pc, extract the boot.img file, move it to fastboot folder and with the phone in FASTBOOT USB mode -

fastboot flash boot boot.img

If you got the rom from anywhere else (especially if it's a discontinued Skydragon GPE rom) then DON'T flash the boot image, stop and tell me what you got.

Keep me posted, ask questions if you're unsure or if I've been unclear ok.
 
If you were running Lollipop already, follow my step by step instructions above -

Install the latest recovery.

Install the rom as specified in that thread.

Flash the boot.img separately if it continues to bootloop.

If you were not already on Lollipop, stop and tell me if you're in the US and if so, is your M8 a carrier-branded model, and which one.
 
See if that fixes the problem and it boots up normally.

Otherwise, reinstall the rom following the instructions at the XDA thread.

That means - if the rom has an installer that will do a full wipe for you, do that.

Otherwise, from TWRP, wipe boot, system, data and cache.

I noticed that you're not big on answering my questions.

And yet you want answers on demand.

I've done this for years. I know how this goes. I've asked those questions for a reason, I've assumed that your time and phone are as valuable as mine.

You do as you think best but you're limiting the level of help I can give - not me.

Sorry if that sounds harsh - it's not. It's just what it is ok.
 
i am doing as u say did i miss a question sorry my mistake
OK, no problem -

First - were you already running Lollipop before this all started?

The Lollipop rom needs the Lollipop firmware (radios, etc etc) to work properly.

If you were, let's keep going, just let me know and skip the rest of this post.

If you weren't, let's see about your firmware - you'll need to say if you have a carrier-branded phone and which one.
 
no os installed are you sure you want to reboot thats the message when i try reboot on win recovery so do i need a new rom to be installed?
 
i tired to install Lollipop (Android 5.0.1 + HTC Sense 7.0 + ported HTC One M9 features)
which i got from here http://forum.xda-developers.com/showthread.php?t=2694917

now i just need a step by step guide on what i should do aand how i should do it
This is the only rom being discussed.

You said that you tried to install it before.

Since flashing the new TWRP, have you tried to install it again?

If not, please do.

See if it works.

If you have tried installing it again since flashing the new TWRP, then get the rom zip on to your pc, extract the boot.img file from it, move the boot.img file into your fastboot folder, put the phone in FASTBOOT USB mode and say on your pc from the fastboot folder in a command window -

fastboot flash boot boot.img

fastboot reboot
 
no os installed are you sure you want to reboot thats the message when i try reboot on win recovery so do i need a new rom to be installed?
I'm sorry that we're not communicating well but yes, that's what I have been saying to do -

Install new TWRP (Done right?)

Wipe system from TWRP (Done right?)

Install the rom that you tried to install before using the new TWRP.
 
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