Go to this site: https://ev3manager.education.lego.com/
2. Download the software when prompted
3. Fully close chrome/safari
4. Plug in your brick, and reopen the link: https://ev3manager.education.lego.com/
5. Turn off your brick
6. When turned off, hold down the middle, right and back button until it says 'updating'
7. Your brick should appear. Select V1.10E and click 'Update Firmware'.