Hovatek Forum MOBILE Android Lenovo Tab M10 (3rd Gen) TB328FU - Magisk boot.img flash - boot loop
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Lenovo Tab M10 (3rd Gen) TB328FU - Magisk boot.img flash - boot loop

Lenovo Tab M10 (3rd Gen) TB328FU - Magisk boot.img flash - boot loop

bobcanberra
bobcanberra
bobcanberra
Newbie
2
10-04-2024, 02:17 AM
#1



Hi All,

New to the game but successful unpack the boot.img from the stock firmware (.pac). 

Copied boot.img to the tablet, applied magisk patch the boot.image (said successful).

Copied file back to PC and flashed boot.img with Research tool, said successful but stuck in a boot loop.

Flashing back the stock boot.img fixed the boot loop.

What step am I missing?

Bob
Gargoyle
Gargoyle
Gargoyle
Contributor
494
10-04-2024, 05:14 PM
#2
https://www.hovatek.com/forum/thread-32667.html

https://www.hovatek.com/forum/thread-32674.html

https://www.hovatek.com/forum/thread-32664.html

"But I assume that Lenovo used its own key"
This post was last modified: 10-04-2024, 05:18 PM by Gargoyle.
Gargoyle
Gargoyle
Gargoyle
Contributor
494
10-04-2024, 10:01 PM
#3
The key used does not match rsa4096_vbmeta.pem, root magic is not possible.

・Lenovo does not allow bootloader unlocking on some tablets

Code:

Minimum libavb version:   1.0
Header Block:             256 bytes
Authentication Block:     576 bytes
Auxiliary Block:          15872 bytes
Public key (sha1):        cd582f664501e18f3425eee03a696a3eabad74a6
Algorithm:                SHA256_RSA4096
Rollback Index:           0
Flags:                    0
Rollback Index Location:  0
Release String:           'avbtool 1.2.0'
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