Following the instruction below to upgrade TCL AR app:
1) Connect the TCL NXTWEAR Air glasses to your smart phone.
2) Touch to open TCL AR app, go to “Settings”->touch “Upgrade”.
3) Touch the icon behind the “Software Upgrade”, then your phone will begin to download the latest app.
4) Please follow the instruction on the phone to finish the app upgrade. Re-enter the app when finish upgrading.