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[Q] Converting .img files to flashable .zip

Hello,
I just downloaded a rom and it's in .img form, specifically, this:
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I really want to flash it, but I'm clueless how to do that on a modern TWRP on a Z1.
Yeah yeah fastboot flash boot boot.img etc. I know I can do that, the case here is that I'm using multirom and having the rom in a flashable rom would get the rom to work with multirom, flashing with fastboot will overwrite my stock rom that I'd rather keep.
Thank you for any info. Most of the guides are weird or outdated, that's why I posted this.

BUMP

olokos said:
BUMP
Click to expand...
Click to collapse
In ubuntu take the img and do
mkdir system
mount -o loop -t ext4 system.img system
This should mount the system.img in the system folder which lets you get all the files.
From there you can make a flashable zip (easiest way is to probably copy a zip that flashes system)

ChrisJ951 said:
In ubuntu take the img and do
mkdir system
mount -o loop -t ext4 system.img system
This should mount the system.img in the system folder which lets you get all the files.
From there you can make a flashable zip (easiest way is to probably copy a zip that flashes system)
Click to expand...
Click to collapse
I already have the system.img I want to flash it with either fastboot or zip. Thanks for that though.

olokos said:
I already have the system.img I want to flash it with either fastboot or zip. Thanks for that though.
Click to expand...
Click to collapse
There is plenty of info on Google for doing this, just search for "how to convert .IMG to flashable zip" and you'll find several ways to do this.

Stuck in fastboot mode!!pls help!!!!

Hi
Guys I need your help.I wanted to upgrade from Stock kitkat 4.4 to Marshmallow.
I started with rooting via LG one click rooting.After rooting successfully I tried flashing TWRP recovery via TWRP manager but it didnt worked and instead of going into recovery it kept going in fastboot.
I tried flashing recovery via fastboot also but no use.Then I tried to unroot via LG Flash tool using download mode.But unfortunately It gave an error "[ERROR] Partition change error".Now I am not unable to get out of download mode.I tried deleting laf file and I came out of Download mode but now I am stuck in fastboot mode.Now if I try to flash anything or erase anything in fastboot it got stuck on erasing or writing.If I run 'fastboot devices' in fastboot it show "? fastboot".
Please help.I know I have messed up but any help would be appreciated.Please help me get my phone get back to life.
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
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"lightbox_share": "Share",
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Use this
http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359

Thanks for help.
But I read in this thread this solution is for Hard brick (Phone doesnt boot at all) but in my case its landing into fastboot everytime.Are you sure I should go this this solution?
Thanks once again

obaid47 said:
Thanks for help.
But I read in this thread this solution is for Hard brick (Phone doesnt boot at all) but in my case its landing into fastboot everytime.Are you sure I should go this this solution?
Thanks once again
Click to expand...
Click to collapse
Yup.mine g3 was also stuck in Fastboot.and I couldn't execute any command.because Fastboot was corrupted.so I followed the method I provided.

help to repair a modem

Hello
i have a 4G modem and it has stuck on welcome problem and i want to flash it but i have only found a update.zip file (it's OTA update).
it's contents are like the attached picture.
it has fastboot mode and go to it without problem.
how can i flash this zip file or it's contents to have a fresh devices?
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"lightbox_full_screen": "Full screen",
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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

any idea?

x23are said:
Hello
i have a 4G modem and it has stuck on welcome problem and i want to flash it but i have only found a update.zip file (it's OTA update).
it's contents are like the attached picture.
it has fastboot mode and go to it without problem.
how can i flash this zip file or it's contents to have a fresh devices?
View attachment 4706463
Click to expand...
Click to collapse
The stock update.zip(or any other OTA update) is meant to be flashed using stock recovery.
Store the update.zip on your device's internal sdcard then boot into stock recovery and choose the update from sdcard option then choose your update file and flash it.
Sent from my LGL84VL using Tapatalk

Droidriven said:
The stock update.zip(or any other OTA update) is meant to be flashed using stock recovery.
Store the update.zip on your device's internal sdcard then boot into stock recovery and choose the update from sdcard option then choose your update file and flash it.
Sent from my LGL84VL using Tapatalk
Click to expand...
Click to collapse
IT is a modem and dont has recovery.
it has only fastboot mode.
is there a way to flash files one by one ?
in update.zip file there are some mbn files and a boot.img but system and userdata and data are .7z like the picture i uploaded.

Question Flashing TWRP in Nokia 2.2 causes Boot Loop (GSI Rom)

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"lightbox_toggle_sidebar": "Toggle sidebar"
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Hello,
I have Android 12 GSI (ab-vndklite-gapps-secure) installed on my Nokia 2.2.
When I try to flash TWRP it ends up in a boot loop.
I did flash vbmeta as well using the following command.
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
Click to expand...
Click to collapse
When I try to boot into TWRP, without flashing it, it just ends up rebooting the device normally.
Right now, I do not have TWRP installed, and the device is working fine.
Any help is appreciated!

fastboot boot does not work, you have to fully flash + when booting on a12 gsis when theres encryption will not end nicely since i cant get decryption working, maybe soon ill get decryption if i have motivation

areallydumbperson said:
fastboot boot does not work, you have to fully flash + when booting on a12 gsis when theres encryption will not end nicely since i cant get decryption working, maybe soon ill get decryption if i have motivation
Click to expand...
Click to collapse
Thanks for the reply!
Do you know how to make Magisk work in A12 GSI? When I try flashing boot.img from Fastboot, it ends up in boot loop. Is it because of the same reason you mentioned above?

nope, most likely dm verity do
fastboot flash vbmeta vbmeta.img --disable-verification --disable-verity

.

areallydumbperson said:
nope, most likely dm verity do
fastboot flash vbmeta vbmeta.img --disable-verification --disable-verity
Click to expand...
Click to collapse
I flashed vbmeta right after I flashed GSI.
Should I flash it once again after I flash Magisk?
Also, should I remove root in Phh GSI (securize) before flashing Magisk?
Thanks!

Delete Userdata

I'm trying to delete userdata using fastboot, but this command "fastboot erase userdata" gives me okay reply, but when I reset phone, the userdata is still there. Any ideas?

Fastboot operates on phone's bootloader, not on Android OS where user data are stored in.
Use ADB to remove user data.

fastboot commands disabled on locked bootloader. post full output pls

Wrong: on devices that support fastboot you after having turned on OEM unlock you e.g. run
Code:
fastboot flashing unlock
to unlock its bootloader.

right. fastboot boot format erase flash are forbidden in locked state, to be nitpicky...
unlocking bootloader will perform factory reset, therefore it is protect by OEM toggle in developer options, too.

the phone's Bootloader is unlocked, and I can't do anything else with the phone when it can only fastboot. I can't even normal start phone to go into ADB.......

Rescueme said:
but when I reset phone, the userdata is still there.
Click to expand...
Click to collapse
How do you know if you cannot boot android?

Rescueme said:
the phone's Bootloader is unlocked, and I can't do anything else with the phone when it can only fastboot. I can't even normal start phone to go into ADB.......
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"lightbox_previous": "Previous",
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"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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Re-flash Stock ROM, and if successful immediately enable ADB.