Turn off your device. Then, press and hold the specific key combination for your device (usually Volume Up + Power or Volume Down + Power ) to boot directly into TWRP recovery.
: This is a script assertion failure. It usually happens because the ZIP file detects that your device model does not match the ROM specifications, or your TWRP version is severely outdated.
| Error Code | Meaning | Fix | |------------|---------|-----| | Error 20 | Android ROM version ≠ 7.1 | Your ROM is not Nougat. Reflash correct ROM. | | Error 64 | Wrong architecture (x86 or arm64) | Your device is not ARM 32-bit. Download correct arch. | | Error 70 | Insufficient space in /system | Wipe system, flash ROM + GApps together, or remove bloat. | | Error 40 | GApps already installed | You must wipe /system and reflash ROM before GApps. |
To install this package successfully, you must meet the following prerequisites: Custom Recovery: You need a tool like TWRP (Team Win Recovery Project) or OrangeFox installed on your device. Matching ROM:
The most lightweight version. It includes only the bare essentials: Google System Base, Google Play Store, and Google Calendar Sync. It does not include Gmail, Maps, or YouTube (which you can download later). opengappsarm71pico20220215 install
: Boot back into recovery, wipe Data and Cache , and flash the ROM and GApps together seamlessly using the steps above.
The is highly recommended for legacy 32-bit ARM devices because it consumes the least amount of system resources. Unlike larger packages (like Nano, Micro, or Stock), Pico does not pre-install heavy Google apps such as YouTube, Google Maps, or Gmail. It installs only the Google Play Store, allowing you to download only the apps you actually intend to use, saving valuable internal storage and RAM. Troubleshooting Common Errors Error 70: Insufficient System Partition Space
you are installing this on? (e.g., Moto G4, Galaxy S5) Which Custom ROM (LineageOS, AOSP) are you installing?
Your OpenGApps installation on ARM71 Pico (2022-02-15) is now complete. Enjoy! Turn off your device
If you have a very small system partition, try using the Pico package, which you already are.
Once the device boots, follow the on‑screen setup process. You will be prompted to sign into a Google account, restore apps from backup, and configure other Google services. After completing setup, open Google Play Store to verify everything functions correctly.
OpenGApps is the most popular source for Google applications on custom ROMs. The variant is designed for:
Users who prioritize security should consider migrating to more actively maintained GApps solutions when upgrading their custom ROMs. For devices permanently running Android 7.1, the 20220215 build remains a solid choice, as Google Play Services continues to receive updates through the Play Store. It usually happens because the ZIP file detects
Before flashing any system zip archive, it is crucial to understand what the filename signifies to avoid bricking your Android device.
Before flashing this specific OpenGApps package, ensure your device meets all the necessary conditions to avoid bootloops or system errors.
The standard rule for installing custom software on Android is to flash the Custom ROM first, followed by the GApps package before your first system boot. Step 1: Transfer the Files Download your chosen Android 7.1 custom ROM zip file.
Navigate to the install option in your recovery, select the OpenGApps package, and confirm the installation.