My Asus Zen done laser 2 ze550kl said NO OS INSTALLED? - Zenfone 2 Laser Q&A, Help & Troubleshooting

Unfortunately I wipe my system data in TWRP ??
Now when I turned on it will go to TWRP and it said "No OS INSTALLED !ARE YOU SURE YOU WISH TO REBOOT"?
What will I do now how to get system data again and how to turn on my phone .
PLEASE ANY ONE HELP ME I AM STUCKED .
I CANNOT DIGEST THIS PROBLEM. MY BODY IS SHAKING??

Reflash ROM and Gapps

Just flash a ROM and gapps..

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zuk z1 bootloop when flashing any rom

i flashed nuclear 7.1 but i encurred in a bootloop that i could resolve only with qfil tool, so i putted cos 12.1 stock, unclocked bootloader and flashed twrp, now: when i flash ANY rom via twrp i go in a bootloop that i can only solve with qfil tool going back to cos and do everything from beginning.
i tried:
change recovery (i tried CWM but i have same problem)
wipe storage (anything changed)
i tried several roms but everyone gave me the same result: very fast bootloop in zuk logo and phone vibration
the only thing i can do is to restore a backup, but since im note able to flash mm firmware (bootloop) i cant use touch id and g-sensor
what can be the problem?
any solution?
thanks
Boot and recovery partitions
Sounds like you messed up boot and recovery sections. Since you can boot up successfully, you may try to flash back to ZUI which changes these two sections completely. If it's not a solution for you, I think the only way to repair is completely format including kernel, system and partitions. You can find the tutorial on Website.
...
you can fix it just use TOOL_ZUK_Z1_ENG_0.0.6
Try flashing COS 12.1 via fastboot.
crazyox said:
i flashed nuclear 7.1 but i encurred in a bootloop that i could resolve only with qfil tool, so i putted cos 12.1 stock, unclocked bootloader and flashed twrp, now: when i flash ANY rom via twrp i go in a bootloop that i can only solve with qfil tool going back to cos and do everything from beginning.
i tried:
change recovery (i tried CWM but i have same problem)
wipe storage (anything changed)
i tried several roms but everyone gave me the same result: very fast bootloop in zuk logo and phone vibration
the only thing i can do is to restore a backup, but since im note able to flash mm firmware (bootloop) i cant use touch id and g-sensor
what can be the problem?
any solution?
thanks
Click to expand...
Click to collapse
Hi!! I've flashed the NucleaRom too and for a couple of weeks it worked just fine. However one day, out of nowhere, the phone, while still on and working, restarted itself and entered a bootloop. After a few days it restarted normally and lasted a couple of hours but then it all started again. The BIG issue here is that when the phone enters in this bootloop where it remains on for about 15 seconds, it does it either in the system or the recovery/fastboot. I've managed to install two other ROMs via TWRP, when it miraculously remained turned on, but the problem persisted.
Is there a chance your problem was similar? How did you manage to flash via QFIL? I can't enter into that "emergency" or "download mode" in order to flash.
Many thanks in advance
i think that the problem is in the bootloader itself you should try flashing the latest os u have used and instal ordinary unofical lineage nightly (you can find everywhere) by this way your bootloader will be updated to 7.1 after that you can install any software i was having same problem when trying to migrate to lineage os
unable to install Custom ROM's
hi ,,
even i had the same problem like recovery was not accepting any ROMS... if we flash it ll go to recovery again and again,
and later i have flashed CM 13 with image file,, it worked and gone to recovery and updated the update to lineage OS 14.1 with Gapps..
hope it might help u...
crazyox said:
i flashed nuclear 7.1 but i encurred in a bootloop that i could resolve only with qfil tool, so i putted cos 12.1 stock, unclocked bootloader and flashed twrp, now: when i flash ANY rom via twrp i go in a bootloop that i can only solve with qfil tool going back to cos and do everything from beginning.
i tried:
change recovery (i tried CWM but i have same problem)
wipe storage (anything changed)
i tried several roms but everyone gave me the same result: very fast bootloop in zuk logo and phone vibration
the only thing i can do is to restore a backup, but since im note able to flash mm firmware (bootloop) i cant use touch id and g-sensor
what can be the problem?
any solution?
thanks
Click to expand...
Click to collapse
crazyox said:
i flashed nuclear 7.1 but i encurred in a bootloop that i could resolve only with qfil tool, so i putted cos 12.1 stock, unclocked bootloader and flashed twrp, now: when i flash ANY rom via twrp i go in a bootloop that i can only solve with qfil tool going back to cos and do everything from beginning.
i tried:
change recovery (i tried CWM but i have same problem)
wipe storage (anything changed)
i tried several roms but everyone gave me the same result: very fast bootloop in zuk logo and phone vibration
the only thing i can do is to restore a backup, but since im note able to flash mm firmware (bootloop) i cant use touch id and g-sensor
what can be the problem?
any solution?
thanks
Click to expand...
Click to collapse
i am continuously on the boot loop! how to get rid of it?
plz help its been 4 hrs, i think i am in trouble! any possible solutions!!!!
U can try one thing.... Install cm13 with flash file and then restart - - & go to recovery select install update and select lineage 14 and G apps... I did like this . And it worked....

Help please , where can i find latest TWRP in zip format so I can update via TWRP

I put lineage 14.1 on my phone today , worked great , then I decided to factory reset the phone , now the phone constantly goes into a recovery boot loop back to TWRP , I am told that the new version of TWRP will fix this , I can find the image version of TWRP but not the .ZIP version....
Please advise how best to update my k3-50 phone to the latest version of twrp , I did try copying across the Twrp image file to my sd card , but twrp does not see the file as a Install file....help please.
Or even a version with the correct scatter file to use with SP tools...please
Doh , I have managed to update to 3.03 using twrp , had to click install image..............BUT my phone still reboots back to twrp every time help please !
Help I have even managed to install 3.1 for twrp , but still my phone is in constant loop back to twrp , I have tried to reinstall roms , it says it has installed correctly , but each time , reboots to twrp..........any way around this , maybe sideload a old rom to remove twrp or something along those lines.....help please...
justwondering said:
Help I have even managed to install 3.1 for twrp , but still my phone is in constant loop back to twrp , I have tried to reinstall roms , it says it has installed correctly , but each time , reboots to twrp..........any way around this , maybe sideload a old rom to remove twrp or something along those lines.....help please...
Click to expand...
Click to collapse
Had the same problem with another ROM some time ago.
The only thing that worked for me:
-Flash Stock-ROM through SPFlashTool
-Flash TWRP through SPFlashTool
-Reboot to TWRP
-Take a nandroid backup
-Wipe and install a new Custom-ROM.
All software you need is in this thread: https://forum.xda-developers.com/k3-note/general/organized-thread-lenovo-k3-note-k50-t3158522

BRICKED? TWRP 3.2.1 says "No OS installed"

Dear all,
please help me getting my LG G6 870 back to life. I have a custom recovery TWRP 3.2.1
I am stuck in TWRP, because it says "NO OS installed" after flashing the .zip file from here from my external sd card:
https://forum.xda-developers.com/lg-g6/development/rom-op-il-lg-h870-11d-rom-t3711191
When I reboot to the system, I will end up in TWRP again.
Probably, I have deleted something too much , e.g. /system?
I am used from my SONY devices, that I can do a factory reset and flashing back .img
As I wanted to do a fresh installation without any user data anyway , I did a factory reset. What shall I do now?
Thanks.
I had the same problem on one of my old smartphone
download a zip stock rom for your device or Fulmics rom on your SDcard and install it with TWRP
good luck
That is bug. Stay on 3.2.1 & after flash back to 3.1.1. Maybe help... maybe not.
Wipe everything, download Fulmics (the best custom - stock - ROM at the moment), flash 3.0 zip and OTAs, then reboot. Just make sure you have at least v10T bootloader version.

Max pro m1 bootloop? Please help

Hello, so im stuck now on startup. I actually rooted my phone a week ago and everything's fine until I've downloaded some cracked apks online and restarted my phone. Please help what would i do now
imgur.com/a/07UWA4l
Did you installed Twrp...if yes then you might want clear cache and restart the phone or you could just reflash the rom or any other custom rom....and if you havn't then i am afraid you will have to lose your data..
Paramvir Singh said:
Did you installed Twrp...if yes then you might want clear cache and restart the phone or you could just reflash the rom or any other custom rom....and if you havn't then i am afraid you will have to lose your data..
Click to expand...
Click to collapse
yes yes i've installed twrp, i've actually tried formatting my data, clearing dalvik cache (thru twrp) then restarted it but still stuck at loading zenfone logo. i dont care bout my data on phone, just wanna get my phone back to normal.
can u please elaborate bout reflashing rom? i've never done flashing any rom before , stock or custom,
Never done this on my M1 but on my note edge,
When i got a bootloop, i simply reinstall stock rom, or just clean install custom rom
abcnormal said:
yes yes i've installed twrp, i've actually tried formatting my data, clearing dalvik cache (thru twrp) then restarted it but still stuck at loading zenfone logo. i dont care bout my data on phone, just wanna get my phone back to normal.
can u please elaborate bout reflashing rom? i've never done flashing any rom before , stock or custom,
Click to expand...
Click to collapse
Ok so it's good opportunity to try something new...first you need to download custom rom and gapps package to sd card (always a better option)or internal storage...do the downloads on pc or somewhere else...
1. Wipe cache, dalvik cache, system, vendor, data, internal storage(this one is optional)
2. Mount extsd card
3. Install Rom package...(i personally use xenonhd based on pie) from here https://mirrors.c0urier.net/android...tal/X00T/XenonHD-181007-Experimental-X00T.zip
You can try any other of your choice
4. Install Gapps package from here..http://download2264.mediafire.com/r0vq21tabscg/m1u4llu62bdwyos/BiTGApps-arm64-9.x.x-0.1-unsigned.zip
5. This step is optional if you want root access then flash magisk package from here..https://github.com/topjohnwu/Magisk/releases/download/v17.1/Magisk-v17.1.zip and uninstall package from https://github.com/topjohnwu/Magisk/releases/download/v17.2/Magisk-uninstaller-20180921.zip ......after tge rom boot up install magisk manager from https://github.com/topjohnwu/Magisk/releases/download/manager-v6.0.0/MagiskManager-v6.0.0.apk
6. Reboot to system..first boot up will take 4-5 minutes...ENJOY
so i tried flashing the stock rom but i got an error
Code:
[B] This package is for "ASUS_X00TD" devices; this is a "X00TD"[/B]
i got the rom at asus.com/ph/Phone/ZenFone-Max-Pro-ZB602KL/HelpDesk_BIOS/
i guess i'll try flashing with a custom rom instead?
also a follow up question: is it safe to reboot to recovery with twrp even my phone has no OS installed (already wiped it for flashing a new rom)
abcnormal said:
so i tried flashing the stock rom but i got an error
Code:
[B] This package is for "ASUS_X00TD" devices; this is a "X00TD"[/B]
i got the rom at asus.com/ph/Phone/ZenFone-Max-Pro-ZB602KL/HelpDesk_BIOS/
i guess i'll try flashing with a custom rom instead?
also a follow up question: is it safe to reboot to recovery with twrp even my phone has no OS installed (already wiped it for flashing a new rom)
Click to expand...
Click to collapse
Stock rom available at asus website is not flashable through twrp...u need twrp flashable zip...download this file...
https://forum.xda-developers.com/showpost.php?p=77671149&postcount=83
And also decrypt file from here.... https://forum.xda-developers.com/asus-zenfone-max-pro-m1/how-to/mod-decrypt-data-t3787311
After flashing the rom...flash decrypt zip
And remember to wipe internal storage after flashing these two zips!
Hello sir i got stuck in bootloop in asus max pro m1
Actually its not showing anything screen is blinking as i try to turn it on. I was on custom rom and suppose to install stock rom and i followed every step but my phone doesn’t start its just reboot and nothing displays anything. Please can anyone tell me the solution of this issue.
did u solved issue
how did u soolves issue ??

no OS installed - say!!! plz help

i have orangeFox custom recocery + flashed hovac custom rom...
when i flashed the hovac rom.. result is successful:angel: but when i go for reboot, orangeFox say - no OS installed
boot my device anyway, run great!!! except for when i reboot, its stuck in bootLogo (bootLoop)
Now, i want to know how to fix no OS trouble?
wiped - everything's except for internal memory
HELP!
Try to flash vbmeta.img right after you flash the rom and update me if it worked and if it not
Maybe you forgot to tick the system in the mount tab check it
Same issue in my device
I'm clear the system in recovery :crying:
Now pls help me

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