Upgrade guide - Model : Q950T, Q900T, Q850T, Q800T, Q90T, Q80T, Q8DT, Q70T, Q7DT, LS03T, LS01T - Version : 1301.5 - Improved usability 1. Improved picture quality 2. Improved browser performance 3. Improved app performance 4. Improved stability 5. Improved usability of input devices

 Cautions
During the upgrade,
 Do not remove the USB Memory drive.
 Do not unplug the power cable.
 Do not turn off the TV.
※ Warning
Removing USB Memory drive out or unplugging the power cable may cause a
firmware error or main board failure. These issue are not covered by Samsung
warranty policy.