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[Completed] Help with softbricked OPX

The phone can only boot into fastboot or into a bootloop and usb debugging is disabled and i cant find a solution anywhere

Tl64865 said:
The phone can only boot into fastboot or into a bootloop and usb debugging is disabled and i cant find a solution anywhere
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Hello and welcome to XDA-developers!
You must provide more details about what did you make to your device before this problem

FSadino said:
Hello and welcome to XDA-developers!
You must provide more details about what did you make to your device before this problem
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I fixed my soft brick problem before however that let me into twrp so I had it running a version of lollipop and twrp 2.0-3.0 so I decided to update twrp and update to marshmallow, after flashing the new twrp file the phone only boots to the OP icon

Tl64865 said:
I fixed my soft brick problem before however that let me into twrp so I had it running a version of lollipop and twrp 2.0-3.0 so I decided to update twrp and update to marshmallow, after flashing the new twrp file the phone only boots to the OP icon
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Which twrp did you flash and how?

FSadino said:
Which twrp did you flash and how?
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It was the latest version from the twrp app on the Google play store

Tl64865 said:
It was the latest version from the twrp app on the Google play store
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You need to install compatible kernel to your current firmware. Which ROM did you installed?

Is it possible to downgrade from 9.5.7 to 9.5.5 or lower?

Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?

darkmninya said:
Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?
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Yes you should be able. Download the fastboot firmware, make sure to select the right variant. Then fastboot then flash-all after you unzip your firmware
https://forum.xda-developers.com/oneplus-7-pro/how-to/rom-stock-fastboot-roms-oneplus-7-pro-t3931424

the above post would prob be the easiest but its a high possibility will have to format user data (sdcard) and is a Clean install. You can flash through TWRP
Flash full zip through TWRP
flash TWRP Installer
Reboot back to TWRP
flash Magisk
Reboot to OS

Bradl79 said:
the above post would prob be the easiest but its a high possibility will have to format user data (sdcard) and is a Clean install. You can flash through TWRP
Flash full zip through TWRP
flash TWRP Installer
Reboot back to TWRP
flash Magisk
Reboot to OS
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+1 yeah, doesn't this wipe the SD card?

matteosaeed said:
+1 yeah, doesn't this wipe the SD card?
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TWRP does not but the fastboot rom may

Bradl79 said:
TWRP does not but the fastboot rom may
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Fastboot will wipe it

Bradl79 said:
TWRP does not but the fastboot rom may
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is there any TWRP ROM?
or just TWRP the fastboot rom?

you can download the full zip here or if you download it from Oxygen Updater app. Those you can flash with twrp. Just make sure to flash Magisk too if you flash via TWRP
The fastboot rom you do no flash through TWRP, you flash it via fastboot.

darkmninya said:
Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?
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Click to collapse
I didn't read anywhere in this thread an indication of your bootloader status. Are you already unlocked?
- if you are not unlocked, then you will need to unlock it to gain root and TWRP. And unlocking the bootloader automatically wipes your internal storage.
- if you are unlocked, then you can proceed with installing root, and TWRP. As other users have posted, you can downgrade with a simple flash of 9.5.5 over 9.5.7... if they both share the same month's security patch.

TWRP Official Recovery for A30 and A30s

TWRP Official Recovery for A30 and A30s
Developed and maintained by @Topser99
SM-A305xxx
Download TWRP for a30
Download TWRP Open Recovery for a30
dl.twrp.me
SM-A307xxx
Download TWRP for a30s
Download TWRP Open Recovery for a30s
dl.twrp.me
Also available for installation via the Official TWRP app from Playstore

Brilliant! Thank you!
Is this based off work from any of the unofficial versions for the A30?

awesome! thanks..

Doesn't work without vbmeta.img patched ,please mention that or the phone won't boot up.
Except that, it's. Ok

How to root a30 android 11

Lomxitrum said:
How to root a30 android 11
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Innstall magisk zip from TWRP

physwizz said:
Install zip magisk from TWRP
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installing twrp file with odin failed. please give me all the files to install twrp and magisk . of android 11. thanks brother

Lomxitrum said:
installing twrp file with odin failed. please give me all the files to install twrp and magisk . of android 11. thanks brother
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Is Bootloader unlocked?

physwizz said:
Bootloader có được mở khóa không?
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unlocked bootloader .but when running twrp file finished.when restart it automatically go to dowload....

Lomxitrum said:
unlocked bootloader .but when running twrp file finished.when restart it automatically go to dowload....
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Did you use the a305 version?

Hello! Do not sew samsung a30s, if not set through odin. Stock Android 9. After the Recovery firmware, Bootlup. Please correct.

Are you collected on Omni 9.0?

@Topser99

ohotnik.88 said:
Hello! Do not sew samsung a30s, if not set through odin. Stock Android 9. After the Recovery firmware, Bootlup. Please correct.
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Click to collapse
I'll tell @Topser99

ohotnik.88 said:
Are you collected on Omni 9.0?
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Yes, because this repo is for phones released with android9. But for Omni10, that is, for phones that are sold with android10.

ohotnik.88 said:
Are you collected on Omni 9.0?
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Whether I build from source 9 or 10 it will still work with your phone. Because the kernel used with twrp that it still supports oneui2 and it boots even after updating to oneui3.

ohotnik.88 said:
Are you collected on Omni 9.0?
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Click to collapse
You guys don't understand how the device works. saw it named twrp-3.5.2-android9 So you guys thought it wouldn't work for your generation. Even though you guys haven't tried it yet, they think it won't work. whether it is twrp9 or twrp10 (it will work depending on the kernel used)

Lomxitrum said:
unlocked bootloader .but when running twrp file finished.when restart it automatically go to dowload....
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It's a VB Meta error you need a patched twrp for this problem

I miss the days when guides were provided with the files.

Dark-Yox said:
I miss the days when guides were provided with the files.
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Root and TWRP
1. Download firmware
2. Extract ap file.
3. Patch with magisk
4. Flash with Odin
5. Download recovery.img (you might need to extract from tar)
6. Install TWRP app
7. Install TWRP
8. Choose file to flash.(don't select device)
9. Select recovery.img.
Done

Question [SOLVED] Samsung A12 / SM-A127F/DSN - Root problem

Hello,
I have problem with patch my boot.img with Magisk manager. After patching I got error : "The phone is not running Samsung's official software". After flash again stock boot.img everything works.
I use Odin to flash.
I tried to install unofficial TWRP from other thread but I got SVD Fail and vbmeta errors during boot.
Somebody have any idea how solve this problem?
Model : SM-A127F/DSN
Baseband version : A127FXXU2AUG7
Android 11 (UI 3.1)
Info from download mode :
KG STATE : Checking
FRP LOCK : OFF
OEM LOCK : OFF(U)
Secure Download : Enabled
RP SWREV : B:2 K:2 S:2
I found similar situation on movie :
But for me recovery mode and factory reset not solve problem. Phone stuck on "Samsung's official software" and reboot after a few minutes.
Best Regards

Patch the boot image of the fimware your phone is currently running.

I used the same boot.img and instructions from This thread
In attachment magisk patching log

I solved this problem by This thread
SM-A127F have a different hardware than for example SM-A125F and working on Exynos 850 the same as Samsung A21s.
Magisk 23 still not working.
Regards

cryptoranger said:
I solved this problem by This thread
SM-A127F have a different hardware than for example SM-A125F and working on Exynos 850 the same as Samsung A21s.
Magisk 23 still not working.
Regards
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I have same phone A127
Do you rooted your device now ?
If yes how do you root device ?
And thank you

khaledoghlo said:
I have same phone A127
Do you rooted your device now ?
If yes how do you root device ?
And thank you
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Hi, Yes I have root on this device !
It's very simple, but official Magisk have a bug which prevents the device from booting properly and your phone will be stuck with in bootloop.
1. You must get custom patched Magisk (jn attachment) - from This thread and install it on phone.
2. Get your original firmware from : https://samfw.com/firmware/SM-A127F
3. Unpack your firmware and upload AP_XXXXX file on phone and patch it with magisk.
4. Flash with ODIN and done
You have full instruction : Here but I recommend patch full AP_XXX file not only boot.img. Full AP patch It will allow you to turn off DM-Verity immediately and trouble with vbmeta.

SAMSUNG A127F/DS ROOTED FIRMWARE
Samsung A127F rooted firmware Bit2 hang on logo fixed file is free Enjoyhttps://drive.google.com/file/d/1hX8Jv2FlHHiWWhclqhNEbWncMyO8yiFb/view?usp=sharing
ultratechgeek.com
Here is the pre Rooted firmware buy Ultratech geek Team
you can download free via google drive link
no password
tested by me Working 100%

cryptoranger said:
Hi, Yes I have root on this device !
It's very simple, but official Magisk have a bug which prevents the device from booting properly and your phone will be stuck with in bootloop.
1. You must get custom patched Magisk (jn attachment) - from This thread and install it on phone.
2. Get your original firmware from : https://samfw.com/firmware/SM-A127F
3. Unpack your firmware and upload AP_XXXXX file on phone and patch it with magisk.
4. Flash with ODIN and done
You have full instruction : Here but I recommend patch full AP_XXX file not only boot.img. Full AP patch It will allow you to turn off DM-Verity immediately and trouble with vbmeta.
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Click to collapse
Thanks for this.
I just bought this phone and looking forward to building a custom kernel for it.

marrygsm said:
SAMSUNG A127F/DS ROOTED FIRMWARE
Samsung A127F rooted firmware Bit2 hang on logo fixed file is free Enjoyhttps://drive.google.com/file/d/1hX8Jv2FlHHiWWhclqhNEbWncMyO8yiFb/view?usp=sharing
ultratechgeek.com
Here is the pre Rooted firmware buy Ultratech geek Team
you can download free via google drive link
no password
tested by me Working 100%
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Click to collapse
Nice work

Thanks for the root method.
I've discovered that this phone has the same set of CPU frequencies for big and little

Twrp and custom kernels now being developed.
I'll post as soon as they have been tested.

ROOTed ROM for Galaxy A12 A127F A127FXXU2AUH4 (magisk) (OS11)
AP > https://drive.google.com/file/d/1o4qJCAkqZJ7AmakJ4jcGLsCchTeN9VF7/view?usp=sharing
BL > https://drive.google.com/file/d/1W8BBaNND401qeGFV5chqX6jaE1e9P__Q/view?usp=sharing
CP > https://drive.google.com/file/d/1negTtWBj7pcR0NrW8T_k0Onthc_O-Ac_/view?usp=sharing
CSC > https://drive.google.com/file/d/1_cvoKKUunfjHxBQ1T2Tvtb_ASBPWxaZe/view?usp=sharing
HOME CSC > https://drive.google.com/file/d/1oCYzRTONa2JezHsWxkrPppnwvRNWBYWF/view?usp=sharing
PS . flash patched versions odin3 ... uncheck autoreboot ... manual reboot device when flash finished.
DONE !
Bonus > back original state > boot.img vbmeta.img
boot_vbmeta_orig_auh4_tar.tar
drive.google.com

Twrp and custom kernel now available

physwizz said:
Twrp and custom kernel now available
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really ? working ?

hesen_89 said:
really ? working ?
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Yep
See my kernel thread
[ROOT] [TWRP] [KERNEL] [GSI] for SM-A127f (a12s)
Root Method https://forum.xda-developers.com/t/root-for-all-exynos-850-devices.4367799/ Twrp and Kernel https://forum.xda-developers.com/t/custom-kernel-and-recoveries-for-m127f.4361841/ Latest twrp...
forum.xda-developers.com

physwizz said:
Yep
See my kernel thread
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install twrp but not kernel
kernel need install or not ??
Thanks . great work

hesen_89 said:
install twrp but not kernel
kernel need install or not ??
Thanks . great work
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kernel dont working ( how i install old kernel ?? i cant find it

hesen_89 said:
kernel dont working ( how i install old kernel ?? i cant find it
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What do you mean?

hesen_89 said:
kernel dont working ( how i install old kernel ?? i cant find it
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Not exactly sure, maybe physwizz confirm, I presume, you tried install kernel file by Install button in TWRP. I tried it too, failed it too and
a) you have done backup in TWRP, thats usual reason to setup TWRP - you just in case backup those special partition and if you done it, restore boot from backup will help
b) really not sure about that, but Odin, button BL and flash BL file from original stock ROM.
Can anybody advanced confirm? Maybe it can be helpful to know exactly, what for sure are kernel (AFAIK part of boot partition), "bootloader" and "boot" partion, BL button in Odin

honzazkrumlova said:
Not exactly sure, maybe physwizz confirm, I presume, you tried install kernel file by Install button in TWRP. I tried it too, failed it too and
a) you have done backup in TWRP, thats usual reason to setup TWRP - you just in case backup those special partition and if you done it, restore boot from backup will help
b) really not sure about that, but Odin, button BL and flash BL file from original stock ROM.
Can anybody advanced confirm? Maybe it can be helpful to know exactly, what for sure are kernel (AFAIK part of boot partition), "bootloader" and "boot" partion, BL button in Odin
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can't do another type. yes i did that type. but twrp does not work and does not mount any unit. install fails. I returned everything. deleted

Revert to total stock Android 11

I have the OTA file downloaded and I know how to use adb, but I can’t find exact directions on how to do this. Thanks for any help.

tuffluck said:
I have the OTA file downloaded and I know how to use adb, but I can’t find exact directions on how to do this. Thanks for any help.
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What rom are you on now? Do you have a recovery installed?

Hi ,what
differenceceat vendor by creat ventor 2 in j710f

Pixel Experience based on Android 11 and no I did not do a recovery.

tuffluck said:
Pixel Experience based on Android 11 and no I did not do a recovery.
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This works for me
Fastboot boot into TWRP,, ( TWRP nebrassy edition)
install trwp via advance settings
reboot into recovery
send a copy of your ota oos over to your phone ,
flash oss ,
reboot into oss recovery
Format data in oss stock recovery
Reboot

just find a way to relock your bootloader, it will revert you to stock completely.