Make sure the IP address for QF Card Terminal is a static IP. Otherwise, the card terminal IP may be changed when reconnecting to Wi-Fi to cause . Causing timeout connection error on POS.
You can reserve the IP by binding the MAC address and IP in the router setup. The router will assign a dedicated IP address for the card terminal. Detail setup on router may be different.
To obtain the QF Card Terminal's MAC address:
1) Scroll down from the top bar, then click the gear icon to Settings
 2) Go to "Network & Internet" 
3) Tap the Wi-Fi currently connected
4) Tap "Advanced" then scroll down to check the MAC address
| 