Then a text message arrived from an unknown number. The sender ID was just a string of zeros.
Unknown sources? Yes.
Allow the app to access storage and install packages when prompted. --- Google Installer For Miui 12.5.5 Android 10 REPACK
Xiaomi devices running Chinese MIUI ROMs lack pre-installed Google apps. This occurs because Google services are restricted in mainland China. Global users importing these devices must install the Google framework manually. Then a text message arrived from an unknown number
The installer simplifies what used to be a complex manual process. It automatically fetches and installs the Google Services Framework , Account Management , Play Services , and Calendar Sync in the correct order. --- Google Installer For Miui 12.5.5 Android 10 REPACK
Google Installer For MIUI 12.5.5 Android 10 REPACK: A Complete Setup Guide