(Wi-Fi model), is a legendary piece of hardware. Released back in 2012 with Android 4.0 Ice Cream Sandwich, its official support ended long ago, leaving many of these devices gathering dust. However, the XDA Developers community has kept it alive.

: The 1GHz Dual-Core processor will struggle with heavy multitasking.

Android 7.1.2 brings a massive visual overhaul compared to the old TouchWiz interface the tablet originally shipped with.

When the warning screen appears, press the button (or the key indicated on your screen) to confirm entry into Download Mode. You will see a green Android robot. Open Odin on your PC as an Administrator.

Disclaimer: Custom ROM installation voids your warranty (though that expired a decade ago). Proceed at your own risk. Always download ROMs from trusted XDA Developers forum threads for the P5110 to avoid malware.

Since this tablet only has 1GB of RAM, I recommend disabling animations in Developer Options

Here is why 7.1.2 is the perfect match:

YouTube works (via web or lighter clients), and the tablet is excellent for reading (e-books, PDFs) or watching movies.

Ensure you have at least 70% power to prevent a shutdown during the process.