![]() ![]() If you happen to open the app, make sure it does not flash the boot image. If Magisk or KernelSU is being updated, first install their new. Updates to Android, Magisk, and KernelSU are all done the same way by patching (or repatching) the OTA. That's it! To install future OS, Magisk, or KernelSU updates, see the next section. Consider using the OEMUnlockOnBoot module to automatically ensure OEM unlocking is enabled on every boot. Make sure to manually reenable it again from Android's developer settings. WARNING: If you are flashing CalyxOS, the setup wizard will automatically turn off the OEM unlocking switch. Reboot back into fastboot and lock the bootloader. Init: Returning avb_handle with status: Success It does not need to be installed and can be run from anywhere.įollow the steps to generate signing keys. To verify the digital signature, see the verifying digital signatures section.Īvbroot is a standalone executable. It is possible to hard brick by doing the wrong thing!ĭownload the latest version from the releases page. Make sure the caveats listed above are understood. If Android is still running and root access works, it might be possible to recover without wiping and starting over. Open an issue for support and be very clear about what steps were done that lead to the situation. If the boot image is ever modified, do not reboot. Magisk updates must be done by repatching the OTA, not via the app. ![]() This includes the Direct install method for updating Magisk. Repeat: ALWAYS leave OEM unlocking enabled if rooted.Īny operation that causes an improperly-signed boot image to be flashed will result in the device being unbootable and unrecoverable without unlocking the bootloader again (and thus, triggering a data wipe). This effectively renders the device hard bricked. In this scenario, if the checkbox is turned off, both the OS and recovery mode will be made unbootable and fastboot flashing unlock will not be allowed. Root access allows the boot partition to potentially be overwritten, either accidentally or intentionally, with an image that is not properly signed. This prevents the OS' system updater app from installing an unpatched OTA and also allows the use of custom OTA updater apps.Īlways leave the OEM unlocking checkbox enabled when using a locked bootloader with root. The system or my_engineering image, depending on device, is also patched to replace the OTA signature verification certificates. It also prevents accidental flashing of the original unpatched OTA. This allows future patched OTAs to be sideloaded from recovery mode after the bootloader has been locked. The boot, recovery, or vendor_boot image, depending on device, is patched to replace the OTA signature verification certificates with the custom OTA signing certificate. For Magisk, the patch is equivalent to what would be normally done by the Magisk app. The boot or init_boot image, depending on device, is patched to enable root access. ![]() This problem has been reported across multiple OnePlus models ( #186, #195, #212).Īvbroot applies the following patches to the partition images: Downgrading the bootloader to the version shipped with Android 11 might potentially help.
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