| Device | Codename | Android Version | Build ID | | :--- | :--- | :--- | :--- | | Nexus 5 | hammerhead | 5.1.1 | LMY48I | | Nexus 6 | shamu | 5.1.1 | LMY47Z | | Nexus 7 (2013) | razor | 5.1.1 | LMY48I | | Nexus 9 | flounder | 5.1.1 | LMY48I |
Android 5.1.1 (Lollipop), released on April 20, 2015, was the final stable maintenance update for the Android Lollipop series. It primarily focused on improving performance and addressing critical bugs that plagued earlier versions, such as the persistent memory leak issue. Key Improvements in 5.1.1
While mostly a "behind-the-scenes" update, 5.1.1 and its immediate predecessor (5.1) introduced several functional changes: android 5.1 1 update download
Performance & Stability: Fixes for sudden app closures and significant system-wide stability enhancements.
Security (Device Protection): Lost or stolen devices remain locked even after a factory reset until the owner signs in with their Google account. | Device | Codename | Android Version |
Enhanced Quick Settings: Added the ability to join Wi-Fi networks and control Bluetooth devices directly from the notification pull-down menu.
System Fixes: Resolved issues with battery drain, wireless connections, and the "Okay Google" voice function. Download and Installation Android 5 Lollipop | Specs, reviews and EoL info - InvGate Android 5
Android 5.1.1 represented a significant maintenance release for the Lollipop operating system. While deprecated, specific industrial hardware, legacy development environments, and test benches still require this specific build. This paper outlines the historical context, the technical methodology for locating and downloading the update via Factory Images or OTA (Over-The-Air) packages, and critical security advisories regarding the continued use of this Operating System (OS).
If OTA is dead, use reputable communities:
🔴 Red Flags (Avoid these sites):