To install the OpenGApps ARM 7.1 Pico package (specifically version 20220215), you need a device running Android 7.1 (Nougat) with an ARM-based processor and a custom recovery like TWRP. Package Breakdown

. Using a version that doesn't match your Android version can make the device unbootable.

Boot into TWRP recovery (usually by holding Power + Volume Down or Power + Volume Up, depending on your model). Backup (Recommended) In TWRP, tap Backup. Select System, Data, and Boot.

4. Sufficient Space

2.2 Software Environment