The Vivo Y12i runs on Android 9.0 (Pie) out of the box, with Vivo's custom Funtouch OS 9.0 skin on top. In 2021, Vivo released several firmware updates for the device, which brought various improvements and new features.
Then— green checkmark.
If you encounter issues during the installation process or experience problems with your device after updating, try: vivo y12i firmware 2021
| Issue | Affected Version | Workaround/Fix | |-------|----------------|----------------| | Wi-Fi drops randomly | 1.14.9 | Update to 1.15.1 | | Fingerprint sensor slow | 1.15.1 | Re-register fingerprints, update to 1.15.3 | | Battery drain overnight | 1.15.3 | Disable "Always-on Display" and "Raise to Wake" | | Call echo on speakerphone | 1.15.1 | Fixed in 1.15.6 | | Bluetooth car kit disconnect | All 2021 versions | Clear Bluetooth cache, re-pair | The Vivo Y12i runs on Android 9