Cause: Your /system partition is too small for the GApps variant you chose.
Solution:
| Provider | Status | Best For | | :--- | :--- | :--- | | Open GApps | Discontinued support for 5.1 (final builds circa 2019) | Most stable, customizable variants | | MindTheGApps | Active minimal support | Lightweight, compatibility-focused | | BITGApps | Archive only | Extremely lightweight, old devices | | NikGApps | No Lollipop support | N/A | gapps android 51
Recommendation: For 99% of users, download the last official Open GApps build for Android 5.1 or the MindTheGApps-5.1.0 package.
If you want Google services without the bulk or privacy concerns, consider these alternatives: Cause: Your /system partition is too small for
The most trusted source is Open GApps.
⚠️ Note: The official Open GApps project is no longer updated, but the Android 5.1 packages are final and stable. You can still download them. Alternative archives exist (like BitGApps or older GApps from reputable XDA threads), but Open GApps remains the standard. If you want Google services without the bulk
Recommendation: For most Android 5.1 devices with 1GB RAM or less, choose Pico or Nano. For tablets with 2GB RAM, Micro is a sweet spot.
Cause: Either you flashed GApps after booting the ROM once, or there is a permission mismatch.
Solution:
You cannot use GApps for Android 6.0 (Marshmallow) on Android 5.1 (Lollipop). The APIs, libraries, and system hooks are fundamentally different. Flashing the wrong version leads to immediate boot loops or "Unfortunately, Google Play Services has stopped" errors. The "51" denotes API level 22, which is strictly for Android 5.1.x.