⚠️Galaxy A51 Root || Unlock Bootloader || Flash Official Firmware [Binary 3] May

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BK☑️

BK☑️

Senior Member
Aug 25, 2018
395
224
24
BK stand for Bernkastel...                    ⭐⭐⭐
Latest recommended firmware for latest update faster: (Updated weekly).​

WARNING: You can't downgrade anymore once you flashed U3 update !

TWRP is needed to patch the Android 10 Vbmeta_samsung.img


You will need:

-Odin v3.14.1
https://dl2018.sammobile.com/Odin3-v3.14.1.zip

-Galaxy A51 Latest USB Driver
https://developer.samsung.com/galaxy/others/android-usb-driver-for-windows

You want to download latest firmware directly from server? (fast download)
Samfirm 0.4.1 or Frija 1.4.2
https://samfirmtool.com/samfirm-v0-4-1
https://github.com/wssyncmldm/frija/releases
Frija not working ? install both vcredist_x00 for your device !

(Check your windows settings to know which version to install).

(Microsoft Visual C++ 2010 Redistributable Package) and (Microsoft Visual C++ 2008 Redistributable Package)

-https://www.microsoft.com/en-US/download/details.aspx?id=29 (x86) 2008
-https://www.microsoft.com/en-US/download/details.aspx?id=5555 (x86) 2010
-https://www.microsoft.com/en-US/download/details.aspx?id=15336 (64bit) 2008
-https://www.microsoft.com/en-US/download/details.aspx?id=14632 (64bit) 2010

-Open Frija and type in your model (mine is SM-A515F) and your CSC : (mine is LUX).

(All CSC's and models on Samfrew: https://samfrew.com/model/SM-A515F/).

-Download and extract SM-A515XX_1_00000000000000_xxxxxxxxxx_fac.zip

On your device:
If you want to unlock bootloader:

-Go to Settings then to About phone and find your build number.

-Tap on your build number 6 times until you see “You’re now a developer”.

-Go in Developer options > enable OEM unlocking.

-Connect the device to your PC.

-Power off your device with POWER and volume DOWN and directly hold volume UP and DOWN together!

-Device will boot in DOWNLOAD MODE.

-Long press volume UP to unlock the bootloader. This will wipe your data and automatically reboot your device!

If you dont want to unlock bootloader:.

-Download and extract Odin and open it as administrator.

Still in DOWNLOAD MODE:

-Click on BL and select BL_A515FXXXU1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

-Click on AP and select AP_A515FXXXU1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT_meta_OS9.tar.md5

-Click on CP and select CP_A515FXXXU1AXXX_CP14483800_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

(If you want to keep your data don't flash CSC).
-Click on CSC and select CSC_OMC_OXM_A515FXOXM1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

-Click on USERDATA and select HOME_CSC_OMC_OXM_A515FXOXM1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

-Click on START and wait for installation, when done you can unplug your device.

ROOT​
Your KNOX status will be tripped if you follow this tutorial...​
What's knox ? : https://www.google.com/search?q=samsung+knox+explained

-Download the latest stock firmware for your Samsung Galaxy A51 with Samfirm/Frija app (faster) or Samfrew/Sammobile website (way slower).


https://samfrew.com/model/SM-A515F/


-Extract the SM-A515XX_1_EXAMPLE_0000000000_fac.zip file with 7zip or any other unzipper.

-Copy the (AP_A515XXXXU1XXXX_CL00000000_QB00000000_REV00_user_low_ship_MULTI_CERT_meta_OS10.tar.md5) file and transfer it to your internal storage.

-Download and install Magisk Manager APK https://github.com/topjohnwu/Magisk/releases/download/manager-v7.5.1/MagiskManager-v7.5.1.apk

-Open Magisk Manager and go to Install > Install > Select and Patch a file.

-Navigate through the storage and select the extracted AP file.
The firmware will be patched and will be found in Internal Storage/Download/magisk_patched.tar.

-Transfer the patched file to your PC.

-Turn OFF your device and boot into DOWNLOAD MODE.

-In Odin, click on AP and select the patched tar file, Uncheck “Auto Reboot” and click on Install.

The tool will flash Magisk V20 on your Samsung Galaxy A51.

To boot in recovery or boot the system with Magisk installed:

1. Powering up normally → System without Magisk
2. Power + Volume Up → Bootloader warning → Release all buttons → System with Magisk
3. Power + Volume Up → Bootloader warning → Keep holding volume up → Actual recovery
 
Last edited:
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W

wakhidnusa

Member
Jun 26, 2017
12
2
Hi,

When unlock bootloader samsung and in the future I wanna back to stock firmware and re-lock the bootloader, is it still can get OTA update ?

I have experience with Asus Zenfone 5 2018, when I unlock bootloader and back to stock firmware & re-lock the bootloader. even in locked bootloader, phone cant get OTA update again. I must install manually from .zip installer.

Thank you.
 
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A

amin_za

New member
Feb 13, 2011
3
0
bro check this method for root?

this phone diffrent.
patch ap and write phone reboot to download again and show error vbmeta....
 
C

CyraX_THC

New member
May 21, 2018
3
0
Not working root method.
After flash patched AP, phone was forced into download mode with this "log"

ODIN MODE (AVB FAIL)
vbmeta: Error verifying vbmeta type? OK_NOT_SIGNED(3)
vbmeta: VERIFICATION_DISABLE bit is set
CUSTOM VBMETA
VBMETA: No Sign info
VBMETA.
 
U

uliek01

Member
Feb 19, 2016
14
11
Jakarta
enough, I'm tired of waiting, 2 months since I bought this device there is no right way to root this device, it seems like the developers are not interested in this device, and it's time I have to replace it with another device that is preferred by the developer.
 
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J

jimrfraser

Senior Member
May 17, 2011
343
86
uliek01 said:
enough, I'm tired of waiting, 2 months since I bought this device there is no right way to root this device, it seems like the developers are not interested in this device, and it's time I have to replace it with another device that is preferred by the developer.
Click to expand...
Click to collapse
Because everyone is getting the A71. Way better for 50 bucks more
 
burakcuhadaroglu

burakcuhadaroglu

Member
Jan 4, 2018
33
7
Istanbul
minur said:
hi, my phone's bootloader is open, how can i turn it off?

Thanks

LYA-L29 cihazımdan Tapatalk kullanılarak gönderildi
Click to expand...
Click to collapse

yine aynı şekilde odin mode'a girip bl açarmış gibi ses yükseltmeye basılı tut. Kilitlensin mi diyince onayla. Yani aynı işlemi yapınca tam tersi işlev görür, kilitler.

MOD EDIT-Translation: Likewise, enter odin mode and hold the volume up as if you were opening the bl. Confirm when you say lock it. So when you do the same thing, it works the opposite way, locks
 
Last edited by a moderator:
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minur

minur

Senior Member
Jun 2, 2012
205
39
Mardin-Medeniyetler Beşiği..
burakcuhadaroglu said:
yine aynı şekilde odin mode'a girip bl açarmış gibi ses yükseltmeye basılı tut. Kilitlensin mi diyince onayla. Yani aynı işlemi yapınca tam tersi işlev görür, kilitler.
Click to expand...
Click to collapse
Maalesef yapmadı o şekilde.denendi.reset atıp açılıyor ama açık kalıyor.

LYA-L29 cihazımdan Tapatalk kullanılarak gönderildi

MOD EDIT-Translation: Unfortunately, he did not do so.
 
Last edited by a moderator:
Badger50

Badger50

Senior Moderator
Staff member
Feb 27, 2011
14,520
22,893
62
"Always on the Hunt"
Samsung Galaxy Note 10.1
Samsung Galaxy A52 5G
Please post in English!

Per XDA rule #4:
4. Use the English language.
We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
Click to expand...
Click to collapse
Please be respectful of all XDA rules, and other members as well.
Thank you for your cooperation.
 
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  • 12
    G
    gabrielfrias
    Fully Working Root Solution

    HOW TO ROOT A51 (WORKING EVEN WITH BINARY 3)

    First, I would like to thanks @map220v, without his efforts, none of this would be possible. I’m justing putting the pieces together to help others root this phone as he helped me.
    Second, this is an ADVANCED process, so I deduce most of you know how to do many things needed in here, so I’ll not explain, for example, how you get your bootloader unlocked.
    Tird, I recommend you do this ony if you REALLY can’t use your phone without root, otherwise, wait for TWRP release.

    PROS

    Root
    No bloatware
    More space available
    Battery drains slowly
    Frequent updates
    178044 points in Antutu v8

    CONS

    YOUR WARRANTY IS NOW VOID and blablabla
    Poor interface (it's an Android 10 PURE system)
    No Samsung’s facilitations/resources/beauty
    Screen transitions are flickering (no big deal)


    Pre-requisites:
    Unlocked bootloader
    A full backup (you’ll lose everything stored in your phone)
    Both Windows AND Linux (I used Windows installed and Kalix Live USB) OR Windows with Linux Bash System (https://itsfoss.com/install-bash-on-windows/) -tip given by @ToddNachste
    Patience (A LOT)
    About 30 GB free

    Files needed:
    Download with Frija or SamFirm THE SAME firmware you’re running now
    Download a GSI Android 10 A/B Gapps arm64v8 from (https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-(GSI)-list) -I’m using AOSP 10 v215, but I believe it’s working with more GSI’s
    LZ4 Extractor (https://github.com/lz4/lz4/releases)
    Simg2img (https://forum.xda-developers.com/general/general/dev-simg2img-windows-t3156459)
    LPunpack Tool (https://drive.google.com/file/d/1mgEnQqFOajLnRBX2YYsLL11J2-osPKD_/view)
    Odin (https://dl2018.sammobile.com/Odin3-v3.14.1.zip)
    7zip
    Permissive kernel (https://drive.google.com/file/d/1Jq8JeEnzBPCDBjC_ewVxbWjhJ9q4G21G/view?usp=sharing) -thanks to map220v

    In Windows:
    1) Extract the AP_file.tar.md5 from your firmware.zip file using 7zip
    2) Extract the super.img.lz4 file from the AP_file.tar.md5 file using 7zip
    3) Put super.img.lz4 file in LZ4 folder and run in CMD the command
    lz4.exe -d super.img.lz4 superLZ4.img
    4) Put superLZ4.img file in Simg2img folder and run in CMD the command
    simg2img.exe -i superLZ4.img -o superSIMG.img
    In Linux OR Bash shell:
    1) Put superSIMG.img in otatools/bin folder and extract it in Linux terminal using the command
    ./lpunpack --slot=0 superSIMG.img <destination dir> (I recommend you create a folder for this)
    2) Put, in the folder where you extracted superSIMG.img, the GSI file you downloaded and rename it to system.img. Now you should have odm.img, system.img, vendor.img and product.img files in the same folder. You may also need to delete/remane the original system.img file before renaming the GSI file.
    3) Now you’re going to make a brand new super.img file containing all 4 files of the previous step. This is a critical and tricky step. Run Linux terminal and type:
    ./lpmake --metadata-size 65536 --super-name super --metadata-slots 2 --device super:4294967296 --group main:4293513600 --partition system:readonly:1577095168:main --image system=./system.img --partition vendor:readonly:342155264:main --image vendor=./vendor.img --partition odm:readonly:643456:main --image odm=./odm.img --sparse --output ./super.img

    Note that in this code, the numbers highlighted in bold are the sizes of the 3 .img files you extracted (odm, vendor and product) in step 2 plus system.img you downloaded/renamed, IN BYTES. Update the code with YOUR files's sizes!

    system:readonly:1577095168:main (size of unsparsed system.img in bytes)
    vendor:readonly:342155264:main (size of vendor.img in bytes)
    odm:readonly:643456:main (size of odm.img in bytes)
    as @phhusson stated (thanks!), no need sto use product.img, just supress it at all

    --group main:4293513600 (main partition size 1577095168+342155264+643456=2776752512)
    *The size of main is the sum of the 4 .img files*

    You may face two different problems here:
    1) Odm.img file requested a not avaliable space. Just sum and update main’s size.
    2) System.img is larger than expected. Just sum and update main’s size again.

    Your original super.img file is now created, like Samsung does. Congrats!

    Back in Windows:
    1) Create, using 7zip, anyname.tar file cointaining just the super.img you created. Simple.
    2) Open Odin, untick Auto Reboot, add anyname.tar file to AP, put your phone in Download Mode and flash it. Flash boot(NoForcedEnforce).tar the same way.
    3) Reboot your phone, do a Factory Reset in original recovery.

    In Android:
    1) Install terminal emulator and run the following commands:
    su
    setenforce 0
    getenforce (it should show Permissive)

    Job is done.
    View
    9
    BK☑️
    BK☑️
    Latest recommended firmware for latest update faster: (Updated weekly).​

    WARNING: You can't downgrade anymore once you flashed U3 update !

    TWRP is needed to patch the Android 10 Vbmeta_samsung.img


    You will need:

    -Odin v3.14.1
    https://dl2018.sammobile.com/Odin3-v3.14.1.zip

    -Galaxy A51 Latest USB Driver
    https://developer.samsung.com/galaxy/others/android-usb-driver-for-windows

    You want to download latest firmware directly from server? (fast download)
    Samfirm 0.4.1 or Frija 1.4.2
    https://samfirmtool.com/samfirm-v0-4-1
    https://github.com/wssyncmldm/frija/releases
    Frija not working ? install both vcredist_x00 for your device !

    (Check your windows settings to know which version to install).

    (Microsoft Visual C++ 2010 Redistributable Package) and (Microsoft Visual C++ 2008 Redistributable Package)

    -https://www.microsoft.com/en-US/download/details.aspx?id=29 (x86) 2008
    -https://www.microsoft.com/en-US/download/details.aspx?id=5555 (x86) 2010
    -https://www.microsoft.com/en-US/download/details.aspx?id=15336 (64bit) 2008
    -https://www.microsoft.com/en-US/download/details.aspx?id=14632 (64bit) 2010

    -Open Frija and type in your model (mine is SM-A515F) and your CSC : (mine is LUX).

    (All CSC's and models on Samfrew: https://samfrew.com/model/SM-A515F/).

    -Download and extract SM-A515XX_1_00000000000000_xxxxxxxxxx_fac.zip

    On your device:
    If you want to unlock bootloader:

    -Go to Settings then to About phone and find your build number.

    -Tap on your build number 6 times until you see “You’re now a developer”.

    -Go in Developer options > enable OEM unlocking.

    -Connect the device to your PC.

    -Power off your device with POWER and volume DOWN and directly hold volume UP and DOWN together!

    -Device will boot in DOWNLOAD MODE.

    -Long press volume UP to unlock the bootloader. This will wipe your data and automatically reboot your device!

    If you dont want to unlock bootloader:.

    -Download and extract Odin and open it as administrator.

    Still in DOWNLOAD MODE:

    -Click on BL and select BL_A515FXXXU1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

    -Click on AP and select AP_A515FXXXU1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT_meta_OS9.tar.md5

    -Click on CP and select CP_A515FXXXU1AXXX_CP14483800_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

    (If you want to keep your data don't flash CSC).
    -Click on CSC and select CSC_OMC_OXM_A515FXOXM1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

    -Click on USERDATA and select HOME_CSC_OMC_OXM_A515FXOXM1AXXX_CL16843479_QB27603640_REV00_user_low_ship_MULTI_CERT.tar.md5

    -Click on START and wait for installation, when done you can unplug your device.

    ROOT​
    Your KNOX status will be tripped if you follow this tutorial...​
    What's knox ? : https://www.google.com/search?q=samsung+knox+explained

    -Download the latest stock firmware for your Samsung Galaxy A51 with Samfirm/Frija app (faster) or Samfrew/Sammobile website (way slower).


    https://samfrew.com/model/SM-A515F/


    -Extract the SM-A515XX_1_EXAMPLE_0000000000_fac.zip file with 7zip or any other unzipper.

    -Copy the (AP_A515XXXXU1XXXX_CL00000000_QB00000000_REV00_user_low_ship_MULTI_CERT_meta_OS10.tar.md5) file and transfer it to your internal storage.

    -Download and install Magisk Manager APK https://github.com/topjohnwu/Magisk/releases/download/manager-v7.5.1/MagiskManager-v7.5.1.apk

    -Open Magisk Manager and go to Install > Install > Select and Patch a file.

    -Navigate through the storage and select the extracted AP file.
    The firmware will be patched and will be found in Internal Storage/Download/magisk_patched.tar.

    -Transfer the patched file to your PC.

    -Turn OFF your device and boot into DOWNLOAD MODE.

    -In Odin, click on AP and select the patched tar file, Uncheck “Auto Reboot” and click on Install.

    The tool will flash Magisk V20 on your Samsung Galaxy A51.

    To boot in recovery or boot the system with Magisk installed:

    1. Powering up normally → System without Magisk
    2. Power + Volume Up → Bootloader warning → Release all buttons → System with Magisk
    3. Power + Volume Up → Bootloader warning → Keep holding volume up → Actual recovery
    View
    5
    Badger50
    Badger50
    Please post in English!

    Per XDA rule #4:
    4. Use the English language.
    We understand that with all the different nationalities, not everyone speaks English well, but please try. If you're really unable to post in English, use an online translator. You're free to include your original message in your own language, below the English translation. (This rule covers your posts, profile entries and signature). You could try :- https://translate.google.com/ or https://www.babelfish.com/ or use one of your choice.
    Click to expand...
    Click to collapse
    Please be respectful of all XDA rules, and other members as well.
    Thank you for your cooperation.
    View
    4
    M
    map220v
    HEROMEROHD said:
    Could you tell how you used lpmake to repack the image? It's always creating an empty image in my case.:eek:
    Click to expand...
    Click to collapse

    lpmake --metadata-size 65536 --super-name super --metadata-slots 2 --device super:4294967296 --group main:4293513600 --partition product:readonly:1516761088:main --image product=./product.img --partition system:readonly:1577095168:main --image system=./system.img --partition vendor:readonly:342155264:main --image vendor=./vendor.img --partition odm:readonly:643456:main --image odm=./odm.img --sparse --output ./super.img

    product:readonly:1516761088:main (size of product.img in bytes)
    system:readonly:1577095168:main (size of unsparsed system.img in bytes)
    vendor:readonly:342155264:main (size of vendor.img in bytes)
    odm:readonly:643456:main (size of odm.img in bytes)

    --group main:4293513600 (main partition size 1516761088+1577095168+342155264+643456=4293513600)
    View
    4
    ASHLEY117
    ASHLEY117
    Vbmeta file that I created that allows RW in every partition. I used the code provided on Ian MacDonald telegram channel
    View attachment vbmeta-A515F.tar
    View

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