Questions tagged [dm-verity]

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Changing /system/build.prop issues on fully rooted and DM-verity removed device

SO, I have an MT6739 dveice with Android 8.1, it's not A/B seamless, and it is not TREBLE. I have used a tried and tested method to remove DM-Verity. On this device it was in the DTB, in the boot ...
3
votes
1answer
38 views

How does update_engine validate a differential update-image with dm-verity enabled?

I am working with Android 8, Android verified boot with dm-verity, and block-based differential seamless A/B updates. To my understanding, the Android update_engine performs some validations of the ...
3
votes
1answer
4k views

How to disable dm-verity on Android with “user” build type ROM?

I have One Plus 6T Android device which has a ROM of build type user. This device is rooted with Magisk and I want to disable dm-verity on this device. I have tried to run adb disable-verity but I got ...
0
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0answers
33 views

MIUI blocks random SMS

TL,DR: New phone Xiaomi Redmi 5 (german provider) Magisk and TWRP installed, ROM completely stock MIUI Global 10.1.2.0 (Android Nougat 7.1.2) does not receive every SMS / 50% loss My girlfriend has ...
3
votes
1answer
468 views

How does android dm-verity protection validate blocks with hash tree

I am learning about android dm-verity protection and I try to understand how does the android dm-verity uses the hash tree for validation of "single block". https://source.android.com/security/...
1
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1answer
1k views

how to check if i have successfully disabled dm-verity?

my phone has dm verity enabled by default. I read about ways to disable it. After that, is there any way with which can i verify if dm-verity is disabled?
1
vote
1answer
302 views

How to deal with dm-verity on a Samsung S7 Edge when installing a custom recovery like TWRP

I'm just starting to explore how to customize my Samsung S7 Edge and I'm interested in moving an application over to the system partition. It's currently running Android 8.0. I've been doing a lot of ...
2
votes
1answer
10k views

Install Magisk in TWRP, with “Keep DM-Verity/AVB 2.0” option?

I want to flash the Magisk ZIP while keeping dm-verity and AVB 2.0. The Magisk ZIP detects my encrypted /data partition and keeps force encryption, but always disables dm-verity and AVB 2.0 when ...