Before jump into the installation guide, let us see what is new in this update. As said above, Redmi 1S MIUI 9.2.2.0 update is based on Android 4.4 KitKat, but you can notice various changes in the system UI and features. The phone app now has a simplified UI, improved layout and readability for search results in Contacts, and many more.

Below are the main highlights of this update: If Redmi 1S is running on stock recovery and MIUI 8 (V8.2.1.0.KHCMID), you will get the new update via OTA (over – the- air). You can also download and install the update (recovery ROM) manually via Updator app. – Turn Off Capacitive Buttons Backlight on Xiaomi Mi A1

How to Install MIUI 9.2 Global Stable Recovery ROM

  1. Download MIUI 9 Global Stable ROM V9.2.2.0.KHCMIEK recover ROM [HERE] and save it on Redmi 1S’s internal storage.
  2. Launch the ‘Updater’ app on your phone.
  3. Tap the setting icon (3 dots) at the top-right corner and select ‘Choose update package’.
  4. Choose the ROM zip file you have just saved on your phone.
  5. The flashing process will start and this will take some time to finish. Once the installation process is finished, your device should automatically boot to the new version. (Source – MIUI)