Download your chosen ROM (and the corresponding if you want Google Play Store) and move them to your tablet's internal storage or SD card. Boot into TWRP (Power + Home + Volume Up).
Now you are ready to install the new operating system. Popular choices for this chip family include LineageOS ports or cleaner Samsung-based custom ROMs found on the XDA Developers forum. Connect your tablet to the PC while still in TWRP.
: Mistakes can cause the tablet to get stuck on the boot screen.
The Samsung Galaxy Tab A 10.1 With S Pen (SM-P585Y) was a highly capable mid-range tablet at launch, featuring dedicated stylus support and cellular connectivity. However, official software support from Samsung ended years ago, leaving the device stuck on older Android versions.
: Modifying your software voids any remaining warranty. sm-p585y custom rom
Modifying your tablet’s firmware carries inherent risks. Proceed with caution and understand the implications before starting. Crucial Warnings
Click the button in Odin and select your downloaded TWRP .img.tar file. Go to the Options tab in Odin and uncheck Auto Reboot .
Download and install the official Samsung USB drivers on your computer so it can communicate with your tablet in download mode.
Because the SM-P585Y shares the same core Exynos 7870 architecture as the SM-P580 and SM-P585, look for stable LineageOS, Resurrection Remix, or Project Elixir ROMs built for the Exynos 7870 tablet family. Download your chosen ROM (and the corresponding if
To flash a custom ROM, you must replace the stock recovery menu with a custom one, such as Team Win Recovery Project (TWRP).
Upgrade your tablet to Android versions far beyond what Samsung officially provided, allowing you to run modern apps from the Google Play Store.
The first boot can take 5–10 minutes. Once loaded, you will be on a modern version of Android.
Prepare a Windows PC and gather the following files in a single folder: Popular choices for this chip family include LineageOS
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Connect your tablet to the PC using your USB cable. One of the ID:COM boxes in Odin should turn blue or yellow, displaying a "COM:XX" port number, indicating a successful connection.
Toggle to ON. (Note: If this option is missing, your bootloader might already be unlocked, or you may need to connect to Wi-Fi and wait for the device to check for updates). 🔓 Step 2: Install TWRP Recovery Via Odin