So, does ? Technically, yes. You can successfully flash Android 13 or 14 via a GSI, enjoy a faster interface, and extend the life of your battery. However, you will sacrifice the fingerprint scanner and HD streaming.
The Oppo A9 2020 is a for custom ROMs – as long as you stick to Android 13 GSIs . You won’t get official builds, but the community has done great work making Treble ROMs functional. Expect 90% stability with a few quirks. For a phone that’s nearly 5 years old, that’s a win. oppo a9 2020 custom rom work
Recent reports suggest that some security patches released as late as 2025/2026 may physically blow an anti-rollback fuse . This "double lock" can permanently prevent you from ever unlocking the bootloader or downgrading to an older, more vulnerable version of ColorOS. So, does
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