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A few days ago, I flashed a patched boot image to boot_a. I used the image from here and patched it with the Magisk app. It worked wonderfully, I had root and the phone would pass safety net checks. After flashing the patched boot image, I backed up boot_b. Today I got the OTA notification and switched to slot b using fastboot --set-active=b and then rebooted and tried installing the OTA, I got the following error message: Install fail Reason: 20 Magisk is not active on slot b, so why can't I install the update?