Press and hold to exit Download Mode.
Look for the toggle and enable it. (Note: If you do not see the OEM Unlocking toggle, ensure your tablet is connected to Wi-Fi and restart it. If it still doesn't appear, your bootloader may already be unlocked or locked by a specific carrier). Step 3: Flash TWRP Recovery via Odin
Open on your PC and connect your tablet via USB. The ID:COM box in Odin should turn blue, indicating a successful connection.
This is the most widely used and actively maintained custom ROM for the SM-P585Y. LineageOS is the successor to the legendary CyanogenMod and is known for its stability, performance, and clean, near-stock Android experience. sm-p585y custom rom
: You need the Team Win Recovery Project (TWRP) tar file for the SM-P580/P585 series. Step 1: Unlock the Bootloader
Since you disabled Auto Reboot, your device will remain in Download Mode. Follow these steps carefully to boot directly into recovery: Disconnect the USB cable.
Enable "Developer Options" by tapping Build Number 7 times, then toggle "OEM Unlocking". Press and hold to exit Download Mode
Ensure your tablet has at least 70% battery capacity to prevent it from shutting down mid-flashing.
Because this tablet supports Project Treble through certain custom recoveries, advanced users have successfully flashed Android 14 GSI builds (e.g., crDroid). Installation Prerequisites Before flashing, you must prepare the following tools:
If you want root access (administrative privileges) to run certain advanced apps, you can flash . If it still doesn't appear, your bootloader may
If you want Android 10 or higher, you must use a .
The Ultimate Guide to Installing a Custom ROM on the Samsung Galaxy Tab A 10.1 With S Pen (SM-P585Y)
Boot into : Press and hold the Volume Down + Home + Power buttons simultaneously. Release them when you see a warning screen, then press Volume Up to confirm and enter Download Mode.