Because custom ROMs do not ship with Google services due to licensing, you must flash them separately. Download the ARM / Android 7.1 / Pico package from the official Open GApps website. The "Pico" version is highly recommended because it has the smallest footprint, leaving maximum system memory for your apps.
If you are looking for the best way to get a smooth experience, I can share: for speed Tips on how to speed up a slow Android 7.1.2 installation How to root the tablet after installation download samsung tab 2 101 gtp5100 android 712 firmware best
By following this guide, you can successfully download and install the best Android 7.1.2 firmware for your Samsung Galaxy Tab 2 10.1 GT-P5100. While the process requires careful attention, the result is a stable, modern, and vastly improved tablet that can handle today's apps and tasks with surprising efficiency. This upgrade is the most effective way to give your old device a new purpose and get the best out of its hardware. Because custom ROMs do not ship with Google
Many modern apps require at least Android 7.0 to run. If you are looking for the best way
Go to Settings > Developer Options on your tablet and toggle on USB Debugging.
While official updates have stopped, the developer community—specifically on platforms like XDA Forums —has provided several stable builds for the GT-P5100.
For those who prefer an even more minimal AOSP-like experience, the Unlegacy Android Project offers builds for the GT-P5100. Filenames such as ua_espresso3g-7.1.2-20180301-0358.zip are confirmed to work without problems when flashed with TWRP.
