1) Connect the TCL NXTWEAR S glasses to your smart phone.
2) Touch to open TCL AR app, go to “Settings”->touch “Upgrade” from the glasses screen.
3) Touch the icon behind the “Software Upgrade” for TCL AR APP upgrade, then your phone will begin to download the latest app, follow the instruction to finish app upgrade on the phone.
4) Touch the icon behind the “Glasses firmware upgrade” for TCL NXTWEAR S glasses upgrade, then your phone will begin to download the latest firmware, follow the instruction to finish app upgrade on the phon.