Sm-p585y Custom Rom [Must Watch]

Samsung’s stock firmware is notoriously heavy. The Exynos 7870 processor in the SM-P585Y struggles under the weight of Samsung’s UI. Custom ROMs, especially AOSP (Android Open Source Project)-based ones, are lightweight. Users report a dramatic increase in speed, multitasking capability, and overall fluidity.

For the SM-P585Y, the decision depends entirely on how you use the tablet:

Disclaimer: Modifying your device carries the risk of "bricking" it (rendering it unusable). Always verify that a ROM is specifically built for the model number SM-P585Y before flashing. Flashing a ROM meant for the Wi-Fi only model (SM-P580) can damage your modem.

Users attempting to install modern ROMs on the SM-P585Y often report:

I. Context and Intent A developer with a Samsung Galaxy Tab Pro 10.1 (SM‑P585Y) decides to replace the stock firmware with a custom ROM to gain a leaner system, longer security maintenance, and granular control over performance and privacy settings. Their goals: a reliable daily driver, stable cellular modem, functional GPS, and minimal battery drain.

II. Preparation

III. Unlocking and Recovery Installation

IV. Selecting a ROM

  • Evaluate tradeoffs: AOSP‑based ROMs for minimalism; Lineage‑based ROMs for broader device support; vendor‑tuned builds for modem stability.
  • Choose GApps vs microG depending on whether Google services are needed; use minimal packages to reduce footprint.

    • V. Installation Steps (Methodical Procedure)

    VI. Post‑Install Verification and Tuning

    The Samsung Galaxy Tab A 10.1 (2016) with S Pen, model number SM-P585Y, holds a unique place in the Android tablet ecosystem. Released as a budget-friendly alternative to the Galaxy Tab S series, it was one of the few mid-range tablets to include Samsung’s signature S Pen support.

    However, as the device ages and official software support has long ended (it launched with Android 6.0 Marshmallow and officially stopped at Android 8.1 Oreo), many users turn to Custom ROMs to breathe new life into the hardware.

  • For SM‑P585Y specifically, there are community builds and unofficial ports rather than official LineageOS support. Stability and feature completeness vary (camera, modem/LTE, sensors, audio).

    • This is the story of "The Phoenix Tablet"—a tale of a forgotten Samsung Galaxy Tab A 10.1 (SM-P585Y)

    and the digital alchemist determined to give it a second life.

    sat in the back of Elias’s desk drawer, a thin layer of dust coating its screen. In its prime, it was a workhorse—the rare "with S-Pen" variant that Elias used to sketch architectural designs and manage emails while traveling. But time is a cruel master to mobile hardware. Stuck on an aging version of Android, the once-snappy tablet had become a sluggish relic, stuttering through basic apps and losing support for modern security patches.

    "One last try," Elias muttered, pulling the tablet from the drawer. He didn't want to buy a new one; the hardware was still solid, the screen vibrant, and the S-Pen felt just as natural as ever. He needed a Custom ROM. The Descent into the Forums

    Elias began his journey where all such stories start: the dimly lit digital corridors of XDA Developers. He searched for " ," the specific LTE variant of the Tab A with the stylus.

    He found a community of enthusiasts who refused to let their hardware die. They spoke in the language of bootloaders, kernels, and recovery images. He learned that the first step wasn't the software itself, but the "gatekeeper"—TWRP (Team Win Recovery Project). The Ritual of Flashing sm-p585y custom rom

    With a deep breath, Elias connected the tablet to his PC. He put the device into Download Mode, the screen turning a bright, clinical teal.

    Unlocking the Gate: He used Odin on his computer to flash the TWRP recovery. One wrong move here could "brick" the device, turning his tablet into a very expensive paperweight. The progress bar crawled... Pass!

    The Clean Slate: Entering the new TWRP recovery menu, he performed a "Full Wipe." He watched as the old, bloated Samsung software was scrubbed away.

    The Incantation: He selected the Custom ROM file he had downloaded—a version of LineageOS (or perhaps a refined Project Elixir port). He swiped the slider to "Flash."

    Lines of white text scrolled across the black screen like falling rain in The Matrix. He also flashed a "GApps" package, the secret sauce that would bring the Google Play Store back to life. The Rebirth

    The tablet vibrated. The screen went black, then the new boot animation appeared—not the familiar Samsung logo, but a pulsing, minimalist loop. It stayed there for minutes. The "Bootloop" anxiety set in. Then, suddenly, the "Welcome" screen appeared.

    Elias navigated the setup. The tablet was unrecognizable. The heavy "TouchWiz" skin was gone, replaced by the clean, airy aesthetic of near-stock Android. It was fast. Apps that used to take five seconds to open now snapped into view instantly. The S-Pen's New Soul

    The biggest worry was the S-Pen. Would it still work? Elias pulled the stylus from its slot. A small cursor appeared on the screen, following the tip perfectly. While he lost some of the proprietary Samsung "Air Command" menus, he gained a device that felt five years younger and was secured against modern threats.

    wasn't just a tablet anymore; it was a testament to the power of the open-source community. Elias put it back on his desk—not in the drawer, but right next to his laptop, ready to work.

    , or are you interested in which ROMs are currently the most stable for that model?

    Breathing New Life into Your Samsung Galaxy Tab A 10.1 (2016) with S Pen: The SM-P585Y Custom ROM Guide

    The Samsung Galaxy Tab A 10.1 (2016) with S Pen (SM-P585Y) remains a beloved device for students, digital artists, and note-takers. However, being stuck on older versions of Android can lead to sluggish performance and limited app compatibility. Fortunately, the developer community has kept this hardware relevant through custom ROMs.

    If you're looking to upgrade your tablet, this guide covers everything you need to know about finding and installing an SM-P585Y custom ROM. Why Install a Custom ROM on the SM-P585Y?

    While Samsung’s official software was stable, it eventually became "bloated" and outdated. Here is why users switch to custom software:

    Updated Android Versions: Experience Android 10, 11, or even 12 features on hardware that officially stopped at Android 8.1 (Oreo).

    Performance Boost: Custom ROMs like LineageOS are often lighter, freeing up RAM and improving multitasking.

    Privacy and Security: Get the latest security patches that Samsung no longer provides. Samsung’s stock firmware is notoriously heavy

    De-bloating: Remove pre-installed apps that take up valuable storage space. Top Custom ROM Options for SM-P585Y

    The SM-P585Y shares much of its DNA with the SM-P580 (Wi-Fi version) and SM-T580/T585, but because it has an LTE modem and S Pen, you must ensure the ROM specifically supports the "gtanotexllte" (the codename for the SM-P585 series). 1. LineageOS (Unofficial)

    LineageOS is the gold standard for custom ROMs. It offers a "Stock Android" experience with deep customization options. For the SM-P585Y, look for builds that maintain S Pen functionality and LTE connectivity. 2. Resurrection Remix

    If you want every possible customization setting—from lock screen tweaks to status bar icons—Resurrection Remix is often the go-to. It combines features from LineageOS, SlimROM, and OmniROM. 3. CrDroid

    CrDroid is highly recommended for those who want a balance between performance and features. It is known for being snappy and having excellent battery management for the Exynos 7870 chipset found in the SM-P585Y. Prerequisites Before Flashing

    Flashing a ROM is a technical process. Ensure you have the following:

    Backup: Custom ROM installation requires a full data wipe. Back up your photos, documents, and contacts.

    Unlocked Bootloader: Samsung devices usually require "OEM Unlocking" to be enabled in Developer Options.

    Custom Recovery: You must have TWRP (Team Win Recovery Project) installed.

    Battery Charge: Ensure your tablet is at least 60% charged to prevent shutdown during the process. Step-by-Step Installation Guide Step 1: Unlock Developer Options

    Go to Settings > About Tablet > Software Information and tap "Build Number" seven times. Then, go back to Settings, enter Developer Options, and toggle on USB Debugging and OEM Unlocking. Step 2: Install TWRP Recovery

    Using a PC and a tool called Odin, flash the correct TWRP .tar file for the SM-P585Y.

    Boot the tablet into Download Mode (Power + Home + Volume Down). Connect to Odin and place the TWRP file in the AP slot. Click Start. Step 3: Flash the Custom ROM

    Download your chosen ROM (and the corresponding GApps 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).

    Go to Wipe > Advanced Wipe and select System, Data, Cache, and Dalvik.

    Go to Install, select your ROM zip file, and swipe to flash. (Optional) Flash the GApps zip file immediately after. Reboot System. A Note on the S Pen

    One of the biggest concerns for SM-P585Y users is the S Pen. While basic stylus input works on almost all custom ROMs, the "Air Command" menu is a proprietary Samsung feature. To keep these features, look for "TouchWiz-based" custom ROMs or use third-party apps like Squid or Notehelf to replicate the note-taking experience on AOSP-based ROMs. Conclusion Disclaimer: Modifying your device carries the risk of

    Installing a custom ROM on your SM-P585Y can make a 2016 tablet feel like a modern 2024 device. By moving away from older software, you unlock better speeds, newer apps, and a cleaner interface.

    Disclaimer: Modifying your device software carries risks and will void your warranty. Proceed with caution and follow developer instructions on forums like XDA-Developers closely.

    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).

    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.

    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.).