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[Q] Custom ROMs won't boot

Hey guys, I've seen this issue before yet I've tried everything in a few threads now but have no idea what is happening,I have tried using search function yet no solution has fixed my problem.
Problem:
When installing custom ROMs the installation goes fine. I put the ROM on the sdcard, follow instructions for flashing e.g wipe data/cache etc and then flash GAPPS. However I get stuck on the boot logo of every ROM. I've tried both TWRP and CWM recoveries, both with no luck. Also tried not flashing GAPPS and just trying to flash the ROM to no avail.
Current state of phone:
The phone is currently running stock firmware via downloading factory image and flashing in boot-loader : stock boot, recovery, system image etc
The phone works fine when rooted on stock firmware. E.g no custom rom yet rooted.
Could really do with some help guys, any ideas?

muqy said:
Hey guys, I've seen this issue before yet I've tried everything in a few threads now but have no idea what is happening,I have tried using search function yet no solution has fixed my problem.
Problem:
When installing custom ROMs the installation goes fine. I put the ROM on the sdcard, follow instructions for flashing e.g wipe data/cache etc and then flash GAPPS. However I get stuck on the boot logo of every ROM. I've tried both TWRP and CWM recoveries, both with no luck. Also tried not flashing GAPPS and just trying to flash the ROM to no avail.
Current state of phone:
The phone is currently running stock firmware via downloading factory image and flashing in boot-loader : stock boot, recovery, system image etc
The phone works fine when rooted on stock firmware. E.g no custom rom yet rooted.
Could really do with some help guys, any ideas?
Click to expand...
Click to collapse
same problem simple solution another user informed me of.
simply donwgrade to 4.3 JB stock rom through fastboot. Then you are able to flash a custm rom from the 4.3 stock rom.
Its crazy i have to do this but it worked for me, now im running the xperience rom which is a rom based on 4.4.2 kk.
the 4.3 android stock firmwares are linked somewhere in the FAQ's as well as the guide to ffastboot lash it.
peace.

chairsz said:
same problem simple solution another user informed me of.
simply donwgrade to 4.3 JB stock rom through fastboot. Then you are able to flash a custm rom from the 4.3 stock rom.
Its crazy i have to do this but it worked for me, now im running the xperience rom which is a rom based on 4.4.2 kk.
the 4.3 android stock firmwares are linked somewhere in the FAQ's as well as the guide to ffastboot lash it.
peace.
Click to expand...
Click to collapse
Hey man, worked a charm thanks!
For users who may have the same problem:
After flashing 4.3 onto the device it did NOT boot.
- However I then went into the bootloader flashed custom recovery, I used cwm.
- Then I went into recovery, used adb to push the rom and gapps onto sdcard
- Full wipe and then installed rom. Then installed gapps
Working fine.
Cheers chairsz :good::good:

Help with ROM intall on HTC Droid DNA

I am currently using NuSenseONEMax rc2.0 on my droid dna
I wanted to install the new nusense six for dna, and it is stated that it requires newest firmware, so i have followed to link to
★ ☆ [ROM/RADIO][4.4.2][Kitkat] Stock 4.09.605.1 | Rooted | Odex-Deodex | Sense5.5 | ☆ ★
http://forum.xda-developers.com/showthread.php?t=2560010
but when I tried using the methods for installing new firmware (post #2), I got 'remote 99 unknown fail' error in command prompt.. so I figure i might install that stock rom first and try again..
But after finishing the install through recovery, i got only black screen (i suppose that this can't work since old rom is using different kernel/hboot or something which prevents me of using the stock rom provided). Luckily, using my recovery i flashed the old NuSenseONEMax rc2.0 .zip, and the phone works again. I have twrp 2.7.1.0 installed
What do you suggest me to do in order to have the latest firmware and new rom? What else do i need to install in order to get that stock rom working, and hopefully will be able to install new firmware with it?
I have really tried to do this myself, but after a whole day working, the final result is fresh 'old' rom without my settings etc.
Thanks in advance

[Q] Troubleshooting while updating to 4.4.4

Hi all,
Since a few days I'm trying to update my Nexus 5 to Android 4.4.4 but everything I've tryed has failed !
Today I'm running stock ROM 4.4.2 + root + TWRP recovery + Xposed
What I've tryed :
_ OTA : device reboot on recovery and does nothing
_ Flash stock using the latest Nexus Rom Toolkit from Wug Refresh : device reboot on bootloader and get stuck on a "downloading..." message while PC get stuck on "downloading bootloader"
_ Flash zip from TWRP : tryed several zip, all of them has failed
I don't know what to do next, so now I'm asking your help...
Also I hope this post is in the right section !

Download vomer's stock rooted 4.4.4 rom from the development section and dirty flash it from custom recovery. This should do the job.

You can find the mentioned rooted stock in my signature, section 6.6
Sent from my Nexus 5 using Tapatalk

Before trying this custom ROM could you explain me the difference with the stock ROM and why I cannot flash the stock one ?
Is it because I have Xposed or something ?
And also after flashing the custom by vomer, can I try to flash again the stock one ?

3RR0R404 said:
Before trying this custom ROM could you explain me the difference with the stock ROM and why I cannot flash the stock one ?
Is it because I have Xposed or something ?
And also after flashing the custom by vomer, can I try to flash again the stock one ?
Click to expand...
Click to collapse
The One which we are telling you to flash is the stock rom. Yes, it's because you have Xposed and other modules installed.. God knows what changes it has made to system.
There's no need to flash the factory images again as vomer's thread contains the stock itself.
- Sent from an IceCold Hammerhead!

3RR0R404 said:
Before trying this custom ROM could you explain me the difference with the stock ROM and why I cannot flash the stock one ?
Is it because I have Xposed or something ?
And also after flashing the custom by vomer, can I try to flash again the stock one ?
Click to expand...
Click to collapse
All of your questions have already been answered, except the Vomer ROM one. While technically a custom ROM, it is only stock ROM with root. So going back to pure stock would be pointless.
Edit: ninja by @vin4yak

[HELP] mobile network connections won't function after upgrading to cm12 firmware

I've used CM12.1 based ROMs for a while now, and with my talent have managed to brick my bacon (oneplus one global 64GB), and unbrick it (using this guide)
I've restored it to stock with no problem using this tool.
my problem begins when i try to update to any LP ROM - flashing such ROMs' zip files in TWRP returned "E: error executing updater binary in zip". i found two solutions to this error:
1. first one is described in this thread. i ditched this method after it got me stuck in bootloop every time after flashing a ROM
2. second one (probably the way it should be done) is to update device firmware like described in this oneplus forums thread. flashing this zip indeed allowed me to successfully install my ROM but with one big problem - the SIM card is detected for a few seconds (even then the device wont find any networks) and then drops to "no SIM card detected - emergency calls only" then it gets detected again and so on...
I've also tried flashing some different modems like described here but it didn't change anything
have anyone encountered any network related problem after upgrading to a CM12.1 based ROM or have any idea how to solve my problem (mobile network connections won't function after upgrading to cm12 firmware)?
help would be very appreciated!
edit: if it helps, i also found that OTA updating to the latest build XNPH44S also breaks the phone's ability to connect to a mobile network

Get the oneplus one build which was released as a fix to ghost touch.. It is nothing but oxygenOS!! Backup ur data and follow the instructions and flash the oxygen rom then wait for the first boot after first boot just update ur recovery to latest twrp and get the bacon firmware update zip file from any of the major rom threads like blisspop or exodus then flash that then flash the latest cm12.1 nightly and AK kernel(optional) then boot it up!!!
Transmitted via Bacon

yashshan said:
Get the oneplus one build which was released as a fix to ghost touch.. It is nothing but oxygenOS!! Backup ur data and follow the instructions and flash the oxygen rom then wait for the first boot after first boot just update ur recovery to latest twrp and get the bacon firmware update zip file from any of the major rom threads like blisspop or exodus then flash that then flash the latest cm12.1 nightly and AK kernel(optional) then boot it up!!!
Transmitted via Bacon
Click to expand...
Click to collapse
1. TWRP must be installed before installing OxygenOS as it comes as a flashable zip and not an OTA/Cyanodgen update...
2. installing OxygenOS was no problem without the firmware, however after it booted i noticed it broke my mobile communications in a very similar way, so no luck with that one.
3.even after installing oxygen the firmware update is required to install anything like a CM nightly or a CM based LP ROM, and my problem was that this firmware upgrade broke my network connection, so i don't see how that could help me in any way
3.1 after flashing OxygenOS not even the firmware update would allow me to install a different ROM...
4. i linked the forum thread my firmware update came from (also found a similar suggestion in a YouTube video) and couldn't find any reference to it in any of the main ROMs' threads like you suggested, they all just say to install TWRP wipe everything and flash their zip (some say to flash a nightly before)
any other ideas? I'm starting to get desperate around my suddenly not-so-functional bacon :crying:

!!SOLVED!!
steps:
1. flash the latest CM12S fastboot image
2 .delete line 2 "aassert(oppo.verify_trustzone("TZ.BF.2.0-2.0.0109") == "1");" from the updater-script file in the custom ROM's ZIP installation file
3. flash the "hacked" zip file with no problem
4. enjoy your custom ROM installed bacon, WITH your mobile connection.
thanks for the help anyway!

Stuck at patching system image unconditionally.

I was running RR rom on my device then i wanted to change to aosp today but while flashing it got stuck at patching system image unconditionally for like an hour so i flashed the stock COS13 via fastboot.
I can flash MM based roms but no Nougat based roms (
EDIT:
I managed to fix my issue. i went back and flashed twrp 2.8.7.0 recovery and then flashed the latest firmware image. that seems to have fixed my issue. successfully flashed jgcaap's cm14.1 rom now <3

What recovery version are you using?

Re-download the zip rom and flash it again...

Spider-Vice said:
What recovery version are you using?
Click to expand...
Click to collapse
twrp.3.0.2-0 official

iPusak Gaoq™ said:
Re-download the zip rom and flash it again...
Click to expand...
Click to collapse
i can flash all MM roms. i tried to flash 2 nougat roms. both of which i had previously up and running.

Help me please!
K.rockr said:
I was running RR rom on my device then i wanted to change to aosp today but while flashing it got stuck at patching system image unconditionally for like an hour so i flashed the stock COS13 via fastboot.
I can flash MM based roms but no Nougat based roms (
EDIT:
I managed to fix my issue. i went back and flashed twrp 2.8.7.0 recovery and then flashed the latest firmware image. that seems to have fixed my issue. successfully flashed jgcaap's cm14.1 rom now <3
Click to expand...
Click to collapse
Even i'm stuck with the same issue. I flashed the latest firmware too, but it didn't help. I can flash all roms except android nougat roms. Please tell me the entire procedure. Thank you.

evdmello said:
Even i'm stuck with the same issue. I flashed the latest firmware too, but it didn't help. I can flash all roms except android nougat roms. Please tell me the entire procedure. Thank you.
Click to expand...
Click to collapse
Okay so buddy. now do exactly as i tell u okay?
1. flash the latest cm13 snapshot.
2. go to fastboot mode and flash this recovery https://www.androidfilehost.com/?fid=24367857647223599
3. reboot to the new recovery and flash this https://www.androidfilehost.com/?fid=24052804347825946
4. then you reboot to bootloader and flash twrp3.0.2-0
5. flash whichever nougat rom you want because it'll work now .