Installing Google Mobile Services (GMS) on MIUI 12.5.5 for Android 10 (often found on Chinese ROMs) can be done without root using a dedicated installer or by enabling built-in services. Method 1: Enabling Built-in Google Services
You do not need to void your warranty or unlock your bootloader. --- Google Installer For Miui 12.5.5 Android 10 REPACK
One night, Noor's son, Tariq, leaned over the table and asked, "Did you magic the phone, Baba?" Installing Google Mobile Services (GMS) on MIUI 12
: The backbone for all Google apps.
Can be tedious as you must allow "Install from Unknown Sources" for every sub-app. Installation Strategy Preparation: leaned over the table and asked