When Android phones are updated, it is required to unlock by entering the password after reboot so that it completes its process of updating and install new updates. With this, the system won’t remember our preferences, and we will miss out on notifications if you forgot to unlock your phone. But now Google is currently trying to rectify this problem and is testing a feature called “Resume on Reboot” on Pixel 4 that will make the system to remember the lock screen data so that we do not miss with OTA update.
This “Resume on Reboot” feature was found on Android Gerrit by XDA developers. As per AOSP commit description, the update recovery system will remember the password and automatically unlock the device after OTA update installation. This feature is now being tested on pixel 4 and not sure it will be available for Android 10 devices.
At present, there are two ways by which OTA updates are put in on an Android platform, but both of these require the password to complete the process of setup after rebooting the device.
However, Resume on Reboot may not be available for all devices. This feature requires a Hardware Abstraction Layer(HAL), which is currently limited to high-end mobile phones such as pixel 4 as they satisfy the hardware requirements for this feature to support. A HAL essentially bridges the gap between hardware and OS framework to communicate with hardware drivers.
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