Update Android 44 4 To 50 [work] Download Patched Info
is largely dependent on your specific hardware model, as official support for these versions ended approximately 10 years ago. You can attempt an official update through system settings or a manual installation using a "patched" or custom ROM if no official version is available for your device. Method 1: Official Over-the-Air (OTA) Update
If an update exists but isn't showing up, you can manually sideload official files. This is common for Nexus devices. Check and update your Android version - Google Help
You might be wondering: Should I patch to Lollipop or skip to Android 6.0 (Marshmallow) or 7.1 (Nougat)?