mobell s51 pac file

[Please help] mobell s51 pac file

ardv
Enthusiastic Member

5

19-04-2023, 07:04 AM

#1

i have a mobell s51 phone with Unisoc (SPD) Spreadtrum board sp7731e_1h10 . armeabi 7a

i unlocked its bootloader and i need now to install custom recovery but i get:
"INFO: LOCK FLAG IS : UNLOCK!!!
WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!!"

so i need to generate vbmeta.img signed then flash it to bypass verify flag
but i need the vbmeta.img from the original pac file
i hope that you can help getting that file

AutoResponder
Verified Account

609

19-04-2023, 07:04 AM

#2

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maxpayne
Contributor

2,952

20-04-2023, 11:50 AM

#3

(19-04-2023, 07:04 AM)ardv i have a mobell s51 phone with Unisoc (SPD) Spreadtrum board sp7731e_1h10 . armeabi 7a

i unlocked its bootloader and i need now to install custom recovery but i get:
"INFO: LOCK FLAG IS : UNLOCK!!!
WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!!"

so i need to generate vbmeta.img signed then flash it to bypass verify flag
but i need the vbmeta.img from the original pac file
i hope that you can help getting that file

Hope you know that these messages don't affect the functioning of your phone....if that's what you're worried about.
It would help to state your build number also

ardv
Enthusiastic Member

5

23-04-2023, 02:32 PM

#4

(20-04-2023, 11:50 AM)maxpayne
(19-04-2023, 07:04 AM)ardv i have a mobell s51 phone with Unisoc (SPD) Spreadtrum board sp7731e_1h10 . armeabi 7a

i unlocked its bootloader and i need now to install custom recovery but i get:
"INFO: LOCK FLAG IS : UNLOCK!!!
WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!!"

so i need to generate vbmeta.img signed then flash it to bypass verify flag
but i need the vbmeta.img from the original pac file
i hope that you can help getting that file

Hope you know that these messages don't affect the functioning of your phone....if that's what you're worried about.
It would help to state your build number also

"Hope you know that these messages don't affect the functioning of your phone.."
yes i know

i need to make a build from the latest android to this phone so as i get dark mode
i need to install custom recovery and root the phone

images attached

Attached Files

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Screenshot_20230423-142829.png
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Screenshot_20230423-142803.png
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Screenshot_20230423-142743.png
Size: 71.26 KB / Downloads: 1

ardv
Enthusiastic Member

5

23-04-2023, 02:45 PM

#5

my phone is named vphne, when i used cpuZ it tells that it is mobell s51 with sp7731e_1h10 spreadtrum board and android 8.1.
i managed to unlock the bootloader with the identifier tooken from your tutorial with linux mint.

and when i flash a custom recovery and try to enter it i get:
"INFO: LOCK FLAG IS : UNLOCK!!!
WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!!"

i found this firmware in the internet: Lava_Iris_51_SP7731E_S129_INT_1GB_8GB_171019_8.1.0_MIRA_(by_firmwarefile.com).zip
in the file info they say: Product Board : cm05_64v8 - Board Platform : sp7731e
but it just have vbmeta.img and it does not have vbmeta-sign.img? so how to know if my phone uses the vbmeta with rsa4096 like in your ghid or uses rsa2048?
i used AVBtool for python 3 - the old one for pythen 2.6 did not work with my since i have python 3 on my linux mint

maxpayne
Contributor

2,952

07-05-2023, 07:59 AM

#6

(23-04-2023, 02:45 PM)ardv my phone is named vphne, when i used cpuZ it tells that it is mobell s51 with sp7731e_1h10 spreadtrum board and android 8.1.
i managed to unlock the bootloader with the identifier tooken from your tutorial with linux mint.

and when i flash a custom recovery and try to enter it i get:
"INFO: LOCK FLAG IS : UNLOCK!!!
WARNING: LOCK FLAG IS : UNLOCK, SKIP VERIFY!!!"

i found this firmware in the internet: Lava_Iris_51_SP7731E_S129_INT_1GB_8GB_171019_8.1.0_MIRA_(by_firmwarefile.com).zip
in the file info they say: Product Board : cm05_64v8 - Board Platform : sp7731e
but it just have vbmeta.img and it does not have vbmeta-sign.img? so how to know if my phone uses the vbmeta with rsa4096 like in your ghid or uses rsa2048?
i used AVBtool for python 3 - the old one for pythen 2.6 did not work with my since i have python 3 on my linux mint

You can only get this file from the pac file for this exact model.
If you have a box or dongle which supports this model then that might help with backing up

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