Samsung Galaxy Tab2 10.1 (GT-P5100) Firmware Overview
What is the latest GT-P5100 firmware?
P5100XXAOF1, released July 14, 2015 for region BTU with Android 4.2.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Tab2 10.1 still getting updates?
Most likely not: there has been no new firmware since July 2015, so Android 4.2.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-P5100 firmware for region BTU
How to Flash GT-P5100 Firmware
Put the Samsung Galaxy Tab2 10.1 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.