The originally launched with Android 5.1 Lollipop under the ColorOS 3.0 skin. While the official road for system updates largely ended there, the enthusiast community has kept this legacy device alive through custom ROMs that bring Android 6.0 Marshmallow —and even later versions—to its hardware. The Marshmallow Experience (Android 6.0)
If your phone is stuck on a logo ("bootloop") or you want the most stable experience, the is your best choice. This is the official software the phone came with. rom oppo a37f android 60 top
While there is no official Android 6.0 (Marshmallow) update from OPPO for the Oppo A37f The originally launched with Android 5
6.0.1 Marshmallow Based On: LineageOS + CM (CyanogenMod) Developer: Alexstor Custom recovery (TWRP) for easier flashing and backups
Because official support for Android 6.0 was limited, most users turn to these community-driven projects: