According to a report by Android whistleblower Mishaal Rahman, Android 13 may require A/B partitions to seamlessly update the system.
Finally! New devices launching with Android 13 MUST support virtual A/B, meaning it's all but guaranteed they'll also support Seamless Updates!
— Mishaal Rahman (@MishaalRahman) September 21, 2022
Will the Galaxy S23 be Samsung's first device to finally support Seamless Updates? 👀
Full details here: https://t.co/yWZauBNF2L
A/B partition is a mechanism first introduced in Android 7.0, and the system exists in both A and B partitions. When the A partition updates the system, the user can continue to use the B partition, and then restart to the A partition, thus saving the time of system update, so it is also called seamless update. In addition, when the system file of the A partition is damaged, the user can also switch to the B partition to continue using it, which reduces the probability that the mobile phone cannot be used.
The specific mechanism is shown in the following figure:
Although Google has been promoting A/B partitions, and even wants to force it when Android 11 is released, some OEMs are not very interested, such as Samsung, until this year's Galaxy S22 series still does not support A/B partitions, Only delayed.
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