From 70b400cba92fef2bf559f3ae3358324ed74008a9 Mon Sep 17 00:00:00 2001
From: June Installation of the stock OS via the stock factory images is similar to the
process described above but with Google's web flashing tool. However, before
- locking, there's an additional step to fully revert the device to a clean
- factory state.
The GrapheneOS factory images flash a non-stock Android Verified Boot key which - needs to be erased to fully revert back to a stock device state. After flashing the + needs to be erased to fully revert back to a stock device state. Before flashing the stock factory images and before locking the bootloader, you should erase the custom Android Verified Boot key to untrust it:
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