Based on LineageOS 14.1, but packed with customizations.
Note: This is a summary. Please follow a detailed guide on XDA Developers before proceeding.
Navigate to the directory where you saved the Custom ROM file. Tap on the .zip archive.
Custom ROM Development and Deployment for Samsung Galaxy Tab 3 (SM-T211, UPD)
Flashing custom firmware carries risks. It can brick your device if done incorrectly. Follow these preparation steps carefully to ensure a smooth installation. custom rom for samsung galaxy tab 3 smt211 upd
Users who want to see how far the hardware can be pushed.
Select Install , navigate to your SD card, and select the ROM .zip . Once finished, repeat the process for the GApps .zip .
If you want the most stable experience, look for a build of LineageOS 14.1.
The Samsung Galaxy Tab 3 7.0 (SM-T211) is a classic tablet. Released in 2013, it originally ran Android 4.1 Jelly Bean and officially peaked at Android 4.4 KitKat. Today, running stock software makes the device nearly unusable. Most modern apps will not install or crash instantly due to outdated APIs. Based on LineageOS 14
Try a different USB port (preferably a rear USB 2.0 port on your PC), swap out the Micro-USB cable, or re-install the Samsung USB drivers.
Once the installation finishes, tap the button. The initial boot process can take up to 10 minutes as the new operating system initializes system files. Once the setup wizard appears, configure Wi-Fi and log into a Google account to complete the update. Troubleshooting Common Issues
Check the boxes for , System , Cache , and Data .
Search: [ROM] SM-T211 or [ROM] lt02ltespr (device codename) Navigate to the directory where you saved the
: Some unofficial builds have been developed to bring Android 11 to the Tab 3 series, though these may have significant performance bugs due to the tablet's limited 1GB of RAM. CyanogenMod 11/Resurrection Remix
⚠️ The SM-T211 has the Marvell PXA986 SoC—not a Snapdragon or Exynos. That means fewer ROMs than the WiFi-only T210. But there are still gems.
: Gain granular control over app permissions not present in KitKat. Best Custom ROM Options for SM-T211
| Version | 2.0.5 |
|---|---|
| Last Updated | July 08, 2025 |
| Operating System | Windows 7 SP1, 8, 8.1, 10, 11 (32 & 64-bit) |
| Server Version | Windows Server 2016, 2019, 2022 (32 & 64-bit) |
| Category | Malware Prevention Tool |
| License Type | Shareware |
| Setup File Size | ~50 MB |
| Install Size | ~40 MB |
The installation is very simple: open the Downloads folder and double-click on the setup file,
click Yes on User Account Control window, then accept the EULA and
click the Next
button to install the program. Once OSArmor has been successfully installed,
you will see its icon in
the Desktop and in the system tray.
After you have installed OSArmor, open the GUI (right-click in the system tray icon and
select Show/Hide Window)
then click on the top-menu Help -> License Status. Now the Activator GUI
will be shown, here just enter your license key
and click the Activate button. Make sure
you have an Internet connection active.
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