Xiaomi Mi A1 OPM1.171019.019.8.4.9 Android 8.1 Oreo April 2018 Security Update
Xiaomi Mi A1 OPM1.171019.019.8.4.9 Android 8.1 Oreo April 2018 Security Update (Beta ROM): The latest April 2018 security Patch Update with Android 8.1 Oreo is now finally available