S3 update 20230417

 DOWNLOAD

CL program upgrade method:
①2.0 u disk or tf card is recommended. First format the u disk, U disk format when there is a size, select the default size,
②Download the update package，then unzip it , get a folder, the folder inside 11 files directly copied to the TF card or u disk
③The TF card or u disk inserted into the box USB port, and then in the power.
Note: plug in the TF card or u disk after the power. After the power is turned on, it will always be bright for about 25 seconds; when the constant light is completed and becomes shiny, it will prove that the upgrade is successful. After 25 seconds, the box indicator lights will shine, before it is always on, and then on the mobile phone to see if the wifi of our box has changed, the change of name proves that the upgrade has been successful.