Samsung Galaxy Note 10.1 (LTE + WiFi) (GT-N8020) Firmware Overview
What is the latest GT-N8020 firmware?
N8020XXSDQC1, released April 24, 2017 for region DTM with Android 4.4.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Note 10.1 (LTE + WiFi) still getting updates?
Most likely not: there has been no new firmware since April 2017, 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.
GT-N8020 firmware for region DTM
How to Flash GT-N8020 Firmware
Put the Samsung Galaxy Note 10.1 (LTE + WiFi) 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.