Wait for the installation process to finish. This may take 5 to 10 minutes. Step 5: Final Reboot
Tap seven times consecutively until a toast message says, "Developer mode has been enabled."
Tap on at the bottom and choose your MicroSD Card .
The Samsung Galaxy Tab A 10.1" (2016) with S Pen, bearing the model number SM-P585Y, was a versatile tablet upon its release. However, as time passes, its official software support has long ended, leaving it on outdated versions of Android. A is a third-party, aftermarket operating system that can breathe new life into your device. It replaces the stock Samsung firmware with a newer, cleaner, and often more feature-rich version of Android. sm-p585y custom rom
Swipe to confirm the flash. The process may take several minutes.
This process will completely wipe your tablet. Back up all photos, files, and account data.
, you must first unlock the bootloader and install a custom recovery like Instructables 1. Prerequisites & Downloads Before starting, back up all your data as this process wipes everything on your device. How to Install a Custom ROM on Any Android Phone (Example 15-Sept-2025 — Wait for the installation process to finish
If you find a working ROM, the installation process for the SM-P585Y is standard but carries risks:
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The most popular and actively maintained ROM for the SM‑P585Y is , based on Android 12L, which is Google’s version of Android specifically optimised for tablets and large‑screen devices. This ROM is part of a larger project that supports several Samsung Galaxy Tab A 10.1" (2016) variants, including the Wi‑Fi only SM‑T580, the LTE SM‑T585, and the S‑Pen models SM‑P580 and SM‑P585*. The device code‑name for your tablet is gtanotexllte . The Samsung Galaxy Tab A 10
Known for its lightweight, clean, stock Android appearance and deep customization options.
The Ultimate Guide to Installing a Custom ROM on the Samsung Galaxy Tab A 10.1 With S Pen (SM-P585Y)
If you prefer a Google Pixel look with smooth animations.
Ensure your tablet is at least 60% charged to prevent shutdown during the process. Step-by-Step Installation Guide Step 1: Unlock Developer Options
Tap on the seven times consecutively until a toast message says, "Developer mode has been enabled."