
The latest firmware for Samsung Galaxy Tab4 7.0 (SM-T230NU) is T230NUUEU0APA1 with Android 4.4.2 (KitKat), released on January 3, 2016 for 2 regions (CSC). Every official firmware build for SM-T230NU, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/T230NUUEU0APA1
All 8 builds in our database run Android 4.4.2 (KitKat). The newest build, T230NUUEU0APA1, was released on January 3, 2016. No new build has appeared for 132 months, so regular updates for this model have most likely ended.
Specifications of SM-T230N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-T230X

SM-T330X

SM-T337V

SM-T227

SM-T332
The newest firmware for SM-T230NU runs Android 4.4.2 (KitKat): build T230NUUEU0APA1, released on January 3, 2016.
The latest build for SM-T230NU, T230NUUEU0APA1, was released on January 3, 2016 (10 years ago).
SM-T230NU has had no new firmware for 132 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T230NU are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T230NU, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-T230NU.
Yes. Every build on this page is the official stock ROM for SM-T230NU from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.
No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.