Samsung Galaxy Tab 3 7.0 (WiFi+3G) (SM-T211) Firmware Overview
What is the latest SM-T211 firmware?
T211XXBOK1, released December 23, 2015 for region XEO with Android 4.4.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Tab 3 7.0 (WiFi+3G) still getting updates?
Most likely not: there has been no new firmware since December 2015, so Android 4.4.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
SM-T211 firmware for region XEO
How to Flash SM-T211 Firmware
Put the Samsung Galaxy Tab 3 7.0 (WiFi+3G) into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.