In the crowded budget smartphone market, the Vivo Y12i was positioned as a device focused on two specific selling points: a massive battery and a dual-SIM dual-standby experience. By 2021, with the release of firmware updates based on Android 11, the device aimed to stay relevant against aggressive competitors like Xiaomi and Realme. This review evaluates how the device held up during that specific software cycle.
vivo hosts an "Official ROM" page for many of its devices. vivo y12i firmware 2021
A: Technically yes, using SP Flash Tool “Format All + Download”. However, downgrading may cause anti-rollback (ARB) errors if vivo enabled it. Check the anti-rollback flag in the scatter file. The Y12i uses a MediaTek chipset (Helio P22