This version represents a unique transitional point between the legacy authentication stack and the modern Play Services framework. 1. Overview | Attribute | Details | | :--- | :--- | | Package Name | com.google.android.gsf.login (System component) | | Version | 5.1-1743759 | | Target Android Version | Android 5.0 (Lollipop, API level 21) | | Architecture | 32-bit (ARMv7, x86); no 64-bit support | | Release Context | Post-Nexus 6/9 launch; pre-Play Services consolidation |
