: If 5.1.1 is available, follow the on-screen prompts to download and install it. Ensure your battery is above 50% and you are connected to Wi-Fi. Method 2: Manual Update (Nexus & Older Devices)
Breathes new life into old hardware, turning spare phones into dedicated media players, security cameras, or e-readers. android 5.1 1 update download
It fixes the notorious memory leak issues found in Android 5.0, preventing apps from crashing unexpectedly. : If 5