problem in flashing custom rom - Zenfone 2 Laser Q&A, Help & Troubleshooting

i was using viper os for a few months, today i decided to flash aosp extended. bt befr flash i wipe all things eg, delvik, system, internal storage, data,asdf etc in the twrp menu. aftr flash the zip file i stucked into boot loop.
luckily i hv a twrp backup of my zenui. aftr flashing tht file my phone is ok. bt if i flash any other custom rom it stuck into boot loop. i tried with 2 different rom. bt same result.
mac address of my phone is changed aftr this and my phone is running with zenui twrp backup only.
i cant figure out this problem. need some help and accidentally i dnt hv any laptop right now. so, i want to avoid pc command things. bt will try to manage if tht is the only way to solve this prblem.
thank you.

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please helpe i accidentially wipe all os system and data of samsung s3 neo i9300i

my device is samsung s3 neo i9300i.recently i install twrp 2.7.1.0 and accidently delete all partitions and system and data.so now there are no os system.and i cant boot my phone.phone stucks on samsung logo.but i can boot into twrp recovery mod.then i decide to flash stock rom throgh twrp recovery but it fails and also try cm 12.1 official and unofficial it also fails.its showing no md5 file found.patching system image unconditionlly and updating partitions.so what can i do.i dont have pc.so give me solution which can i solve with twrp 2.7.1.0 .and one que. can i install noble rom 2.1 on this mobile in this situation?please help me......
I think you still need to find any PC with samsung drivers installed and Odin. Boot into download mode (vol down + power) and flash service firmware to recover partitions. Maybe exist any other solutions, but this, IMHO, is what you need to do.
After installing cm12.1, doesn't it boot?
Don't worry about the md5 file warning or patching system unconditionally. If you got no errors (other than what i mentioned here), it should boot fine.
in twrp there is an option of terminal command.but i dont know how to use it.when i click to open this terminal conmand then open systems folders and files and bottom line there is a option of select current folder.so how can i use it to flash rom with this.anyone have idea then please help me
I several times wiped everything at once through TWRP, then just restarted into recovery, copied .zip files for the ROM and gapps from a computer and flashed them, so can't really see where is the problem in your case. Doesn't the PC find your phone as a storage drive after wipe and restart?
yesterday i successfully install nobel rom 2.1 in my device.but now problem is i cant boot my phone.its showing samsung logo and then automatically going in download mod.before this installation i several time wipe every partitition and succedsfully install noble rom 2.1 but cant boot my phone.problem always there.please please help me
Maybe the problem is with the ROM and it's incompability with your phone. What if through Odin you flash a stock ROM from a computer in download mode and then try another custom ROM?
But of course first try to enter recovery and directly flash (another) working ROM, because going through stock with Odin takes much more time and nerves. Also, with Odin you have to be extremely careful to use the exact stock ROM for your device, so this is kind of a last-case scenario.
Plz check the rom u r downloaded is not corrupted
Or download again by any other phone and save it to external sd card then plug it on ur s3 and flash it
plz can any provide me twrp nandroid backup of system and boot partition of s3 neo i9300i plz plz plz
because in my area downloading speed is too slow.so i cant download stock firmware.its getting corrupted.i try to download it 4 to 5 times but its getting corrupted.so plz provide me backup file
U can't install stock firmware with twrp.
It can be flash using odin for pc only
ya.i know that.u mistaken me.i don't want stock rom.i want backup file of rom.just like that when we do full system backup with twrp recovery before installing new custom rom.are u understand my friend.please help me yaar.my phone is off from 2 months so please please help me .i want backup file of system and boot partition using twrp recovery.
if u have then please upload
required twrp recovery backup file which includes system and boot partition. for samsung s3 neo i9300i.
vinayak1910 said:
required twrp recovery backup file which includes system and boot partition. for samsung s3 neo i9300i.
Click to expand...
Click to collapse
Sorry but i don't have that files U have to flash cm or any other custom rom again
but in my phone i wiped my operating system.so there is no os installed.so is it possible for me to flash cm rom?can i install cm rom with clean installation and is that possible then which version have to install?please reply
If you deleted ALL partitions, you have to flash Stock. If not, then just install something.
vinayak1910 said:
but in my phone i wiped my operating system.so there is no os installed.so is it possible for me to flash cm rom?can i install cm rom with clean installation and is that possible then which version have to install?please reply
Click to expand...
Click to collapse
Yes of course you can. Flash whichever version you want. Just make sure it is only for your device s3 neo not any other Samsung phone. If you have solved the problem, then reply here and all moderator to close this thread.
Hit thanks of it helped!

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....

OnePlus 2 never boots up into system, but boots into recovery and fastboot mode.

I Installed the unofficial cynogenmod 14 with gapps , and i was enjoying the new rom. After using the rom for 8-10 hours , the mobile froze , so i had to restart the phone . After the phone started , it started to lag , and while it was lagging it restarted on its own, and was stuck on boot logo.
I waited for a long time for it to boot up , but it was stuck there , so i tried flashing the unofficial cm14 again as it was in the internal storage , but the result was same no matter how many times i try , and in between numerous OS flash attempts , i accidentally wiped the INTERNAL STORAGE
Getting the PC to recognize the phone , and also for the ADB and FASTBOOT to work properly was way too much of a pain , but i was able to get everything correct so ADB and FASTBOOT were working .
AND THAT'S HOW MY JOURNEY BEGAN.
I HAVE FLASHED ALL THE OTA ROMS , flashed the official cynogenmods , flashed the unofficial cm14 and cm 14.1 , tried flashing thru MSM8994DownloadTool , all of the Roms i FLASHED were successful even the MSM8994DownloadTool was SUCCESFULLY FLASHED
BUT MY PHONE STILL DOESN'T BOOTS UP IN SYSTEM , IT'S STILL STUCK AT THE ONEPLUS BOOT LOGO
I LIVE IN BANGLADESH (ASIA) , after i failed so many times and given up all hope , i went to the mobile shops for repairing the HALF DEAD SOUL , and its really sad that even they were not able to make it LIVE AGAIN
ANY HELP TOWARDS MY SITUATION WILL BE REALLY REALLY APPRECIATED
It maybe cause of old modem. try restoring to stock(i.e oos 3.x) or flash latest modem then latest recovery and Rom.
ThePresence said:
It maybe cause of old modem. try restoring to stock(i.e oos 3.x) or flash latest modem then latest recovery and Rom.
Click to expand...
Click to collapse
Tried the op2 mm modem , the phone automatically restarted to recovery with a new recovery , but its still stuck
talhaisdead said:
Tried the op2 mm modem , the phone automatically restarted to recovery with a new recovery , but its still stuck
Click to expand...
Click to collapse
Are you following the right steps to flash rom? if you don't rom won't boot. also try resetting your phone to stock, it might help you.
ThePresence said:
Are you following the right steps to flash rom? if you don't rom won't boot. also try resetting your phone to stock, it might help you.
Click to expand...
Click to collapse
Yes , but it still doesn't work . No errors are given while flashing

Device bootloop

Hello. My device reboot into TWRP only after reboot (TWRP or System). I tried to reset data into AICP ROM in settings. Install again ROM don't works. Also restore from backup dont works. Help me :/
seems like this one trouble;
https://forum.xda-developers.com/note-4/help/sdcard-empty-installing-rom-t3030736
will try flash the stock one after night. If anybody knows solution, please help me.
After 356 milions of flashing twrp and wiping my phone finally update.zip (stock OS) transfered into phone (earlier still bugs). Then transfered stock.img (image of stock recovery) into phone and flashed it and... My backup worked. I'm embarrased. Will charge my phone and try to update to the lastest version. Then I'll check that my phone have stock or twrp of recovery. Idk what happened last night!
I could install the stock ROM (i had stock recovery and custom ROM). After boot, device runs ~40 sec then rebooting. In recovery i did clean data, then the stock OS works fine.

[Q] phone keep booting into recovery

so i just doing a clean install of the beta 3 rom, i did follow the instruction that written in the thread but some how after installing the update when i'm about to reboot into system it keeps rebooting into the recovery. so i decided to clean wipe and re-flash the rom, and some how it says that there's no rom installed. i've tried to install other custom rom like, LOS 15 and Liquid Remix, but it's still the same, keep booting to recovery and showing that there's no rom installed. plz help...
Go to twrp > wipe > format data > yes
Then transfer oos OB 3 to your phone, use adb push command is better than copy paste(not sure why because sometimes i copy pasted into phone, sometime it bootloop or storage not recognised)
Flash it, then flash magisk 15.2. then reboot. It should work fine. Unless you use a not compatible twrp version.
thanks for ur solution before, but can u tell me the compatible twrp is, cuz i'm using the twrp 3.2.1 by blu spark and it keeps booting into recovery
You need to flash no verity zip. If you are decrypted.
"You need to flash no verity zip. If you are decrypted. "
Thanks god for this comment, use about 2 hours digging around forums and re-flashing, wiping, trying diffrent TWRPs, different roms. And when I found this comment I just isntalled the zip and it worked within 10 seconds.

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