The 5.1.1 update was "the update that made Lollipop usable." It focused on polishing the "Material Design" aesthetic introduced in 5.0.
If you are an advanced user looking to "flash" the software manually because the OTA isn't appearing, you will need the specific firmware for your exact device model.
October 2023 Subject: Legacy OS Update Procedures and Security Implications OS Version: Android 5.1.1 (Lollipop MR1)
If you own a device still running Android 5.1 or earlier, here is everything you need to know about the , where to download it, and how to install it.
The process of downloading and installing the Android 5.1.1 update varies depending on the device and its current software version. Here are the general steps:
, like a Samsung Galaxy or a Nexus tablet? Provide the model name so I can find the exact firmware link for you. Check & update your Android version - Google Help
Typically 500 MB to 1.5 GB depending on the device.