Since you're running a custom ROM, you won't get over-the-air (OTA) updates. To update to a newer version of the same ROM, follow these steps:
Developers have ported stable builds of CyanogenMod 11 (Android 4.4.4 KitKat) and early LineageOS versions to this device. These builds offer a clean, stock Android experience and provide the highest performance gains for daily tasks like reading and light web browsing. 2. Debloated Custom Stock ROMs custom rom for samsung galaxy tab 3 smt211 upd
Note: This is a summary. Please follow a detailed guide on XDA Developers before proceeding. Since you're running a custom ROM, you won't
Because the Marvell PXA986 architecture uses proprietary, closed-source binaries, stable source-built Android upgrades (such as official LineageOS) are highly limited. Most stable upgrades rely on optimized, debloated stock-based firmware or tailored project builds. Top Custom ROM Options for SM-T211 Since you're running a custom ROM
If you want, I can:
Stuck on Android 4.4 KitKat. Many modern apps from the Google Play Store will still show compatibility errors.
A performance-oriented ROM that requires root and custom recovery for installation.