Cause: Problem of computer USB port or hardware of compatible devices.
Solution:
Enter the URL (http://dm.2dupay.com/wifi-config/wifiConfig.html) on the mobile phone or scan the QR-code of the configuration page to enter the...
a．White USB plug: Power supply b．Black USB plug: Connect to the computer of the cashier counter c．Black USB receptacle:...
Connect the compatible device to the USB port of the computer. After connecting, the device will automatically identify the...
Cause: As there are too many people connecting to the Internet simultaneously, they interfere with each other, resulting in...
Cause: Poor network signal and no Internet connection Solution: Configure the network connection methods (WIFI/LAN/GPRS) as needed in actual...
Connect the basic device to the computer USB port, and the device will be identified as the YRPPB device...
