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For the Samsung Galaxy Tab A 10.1 (2016) with S Pen (SM-P585Y), moving to a custom ROM can breathe new life into a device that officially stopped at Android 8.1 Oreo. Available Custom ROMs
While this specific LTE variant (codename gtanotexllte) has slightly less traffic than its Wi-Fi counterpart (SM-P580), there are active community projects:
LineageOS: Unofficial builds of LineageOS 19.1 (Android 12) and LineageOS 20 (Android 13) have been developed for the gtanotexllte/gtanotexlwifi series. These provide a clean, "stock-like" experience and better performance than Samsung’s original One UI.
e/OS: Unofficial builds based on Android 12 (S) are also available, focusing on privacy and de-Googling.
GSI (Generic System Images): As a last resort, some users have successfully flashed GSIs like crDroid (Android 14) using TWRP, though stability can vary greatly on older hardware. Key Considerations Before Flashing
S Pen Functionality: Most AOSP-based ROMs (like LineageOS) support basic S Pen input, but you will lose Samsung-specific S Pen features like "Air Command" and specialized note-taking apps unless you use third-party alternatives from the Play Store.
Knox & Security: Unlocking the bootloader permanently trips Knox. This disables features like Samsung Pay and Secure Folder forever.
VoLTE Issues: A common bug with Exynos-based Samsung custom ROMs is the lack of VoLTE support. This means you may be able to use LTE for data, but traditional voice calls might not work if your carrier requires VoLTE. Quick Setup Steps
The Samsung Galaxy Tab A 10.1 with S Pen (SM-P585Y), released in late 2016, remains a capable device for note-taking and media consumption. However, as official software support has ended, installing a custom ROM is the best way to upgrade to modern Android versions like Android 13 or 14. Why Install a Custom ROM on SM-P585Y?
Modern Software: Transition from outdated Android 8.1 Oreo to newer versions like LineageOS 20 (Android 13).
Performance Boost: Custom ROMs often remove Samsung's "bloatware," leading to smoother UI animations and better battery management. sm-p585y custom rom
Security: Gain access to updated security patches that the official firmware no longer provides. Top Custom ROM Options
LineageOS (Unofficial): The most popular choice for the SM-P58x series. Unofficial builds of LineageOS 20 and 21 provide a clean, near-stock Android experience while maintaining S Pen functionality.
/e/OS: A privacy-focused ROM that removes Google services. Recent unofficial builds for the "gtanotexllte" (SM-P585) codename are available for those seeking a "de-Googled" experience.
Project Elixir / DotOS: Occasionally ported by community developers on XDA Forums, these ROMs offer deep visual customization. Essential Prerequisites Before flashing, you must prepare your device and PC:
For the Samsung Galaxy Tab A 10.1 (2016) with S Pen (SM-P585Y), custom ROMs are the primary way to bypass the official "end-of-life" software (Android 8.1) and run modern apps in 2026. Performance & Stability Review
System Speed: Users report significant performance gains compared to the bloated stock Samsung Experience. Modern lightweight ROMs like LineageOS resolve multitasking issues where background apps would previously close prematurely.
App Compatibility: Installing Android 13 or 14-based ROMs allows the tablet to run the latest versions of apps from the Google Play Store, which are otherwise restricted on the tablet's native Android 8.
Battery Life: Optimized custom kernels often included in these ROMs provide better idle battery drain and thermal management compared to the aging official firmware.
S-Pen Functionality: While basic S-Pen input (drawing/writing) works on most AOSP-based ROMs, specialized Samsung-specific features like "Air Command" are typically lost. You may need third-party apps to replicate the advanced pen menus. Top Custom ROM Options (2026)
The development for this device (codename: gtanotexllte) is often bundled with its Wi-Fi sibling (gtanotexlwifi) and the non-S-Pen variant (gtaxllte). For the Samsung Galaxy Tab A 10
LineageOS 20 (Android 13): Currently the most stable and popular choice. It provides a "near-vanilla" Android experience that is highly responsive on the tablet’s Exynos 7870 chipset.
LineageOS 19.1 (Android 12): A rock-solid alternative if you encounter bugs on newer versions. It is praised for fixing the multitasking bugs found in earlier unofficial builds.
crDroid (Android 14/GSI): For users wanting the absolute latest Android version, GSI (Generic System Image) builds of crDroid offer deep customization, though they may require more manual troubleshooting. Critical Installation Notes
Custom Recovery: You must first install TWRP for SM-P585Y to flash any custom ROM.
Google Apps (GApps): Most ROMs come "vanilla." You need to flash a GApps package (like NikGApps or MindTheGapps) separately to get the Play Store.
Bootloader: Ensure your bootloader is unlocked. Attempts to flash on a locked bootloader will result in a "Secure Check Fail" error.
For the latest files and community support, check the Samsung Galaxy Tab A Series forum on XDA Developers.
For the Samsung Galaxy Tab A 10.1 (2016) with S-Pen ( ), custom ROM development primarily revolves around unofficial builds
of LineageOS and /e/OS, as there is no official support from the LineageOS Wiki for this specific LTE variant. Available Custom ROMs Development for this device (codename: gtanotexllte ) is often bundled with its Wi-Fi counterpart ( gtanotexlwifi ) and the non-S-Pen variant ( LineageOS 18.1 (Android 11)
: Unofficial builds exist that aim to provide a stable experience with S-Pen support, though users have reported intermittent installation issues. LineageOS 19.1 & 20 (Android 12/13) Identify exact model (Settings → About tablet or
: Recent development has brought Android 12 and 13 to the Galaxy Tab A 2016 series, significantly extending the life of the tablet beyond its last official Android 8.1 update. /e/OS and IodéOS
: Unofficial builds for /e/OS (based on Android S and T) and Iodé 5.x have been released, focusing on privacy and de-Googling. Installation Prerequisites
To install a custom ROM on the SM-P585Y, you must follow these standard steps:
Let’s end with a final verdict. You are holding a Samsung Galaxy Tab A 10.1 (2016) SM-P585Y. On stock Android 8.1, it feels like a relic. The browser is slow, apps crash, and the UI stutters.
After installing a custom ROM like LineageOS 20, the same device feels like it was released last year. Opening apps is snappy, the screen looks brighter (thanks to better color calibration), and the battery lasts an extra 2 hours.
The answer is an emphatic yes. Flashing an SM-P585Y custom ROM is the single best upgrade you can give this tablet. It transforms e-waste into a perfectly usable media consumption and note-taking machine.
Final Advice: Bookmark the [XDA Forums for Galaxy Tab A 10.1 (2016) - SM-P585Y]. Read the last 10 pages of any ROM thread before flashing to see current bug reports. Join the Telegram groups for universal7870. And always—always—keep a backup of your stock firmware downloaded on your PC, just in case.
Your S-Pen is waiting. Go unlock your tablet’s true potential.
Disclaimer: This guide is for educational purposes. The author is not responsible for bricked devices, dead SD cards, or thermonuclear war. Always double-check files for your specific model number SM-P585Y.
Here’s a detailed write-up for a custom ROM for the Samsung Galaxy Tab S3 (SM-P585Y).
This assumes you’re familiar with basic Android modding terms (TWRP, Odin, rooting, etc.).
.zip.Due to the Exynos-like variant confusion (P585Y is Snapdragon), ROMs are limited but active:
⚠️ Note: Do not use ROMs for
gts3lwifi(SM-T820) orgts3llte(Exynos) – different partition layouts.
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