According to XDA report said Google is planning to force the use of A/B partitions in all future Android 11 devices to make Seamless Updates( seamlessly updated) a standard feature for all. XDA developers found a name on the AOSP Gerrit commit., submitted by Yifan Hong, engineer of Google project treble team.
The commit will update the vendor Test Suite (VTS) to see if Android smartphones are compatible as part of project treble. In this case, the test checks to see if the Android 11 device supports a / b partitioning. If the device started with Android 11 does not support virtual A / b partition, it will fail the test. If the device fails to pass VTS, it cannot be provided with Google mobile service.
Working principle of a / b seamless update
A / b partition refers to a duplicate read-only partition set, which usually includes system, supplier, boot and product partitions. It allows OEMs to install OTA updates on unused inactive partitions.
When you download an update, the update fixes an inactive set of partitions (a
At present, several Android devices have achieved a / b seamless update, including the entire Google pixel series, Xiaomi Mi A2, Xiaomi A2 Lite, ASUS Rog mobile phones and several Motorola mobile phones.
However, Google has yet to merge commit, which means that everything about Android 11's mandatory a / b seamless updates is still variable.