Xiaomi Redmi 6 and Redmi 6A Android Pie Update: Xiaomi’s entry-level devices, the Redmi 6 and Redmi 6A, were launched last year with MIUI 9.1 based on Android 8.1 Oreo and eventually upgraded to MIUI 10 still based on Oreo. While users may have pegged hopes for at least another major update to Android 9.0 Pie,…