Resolve SIM Network Issues
When you insert a SIM card, its network signal will be displayed on the status bar. If you encounter issues with data flow or connectivity, follow these troubleshooting steps:
No Data Flow Indicated on Status Bar
Check Mobile Data: Verify if Mobile Data is enabled. Go to 'Settings' > 'Data Usage' > 'Mobile Data' and ensure it is turned on.
SIM Card Usability: Ensure the SIM card is active and functional. Test the SIM card in another device if necessary.
APN Settings:
Navigate to 'Settings' > 'Cellular Networks' > 'Access Point Names'.
Verify the APN settings. Add a new APN or select an existing one according to your network provider's specifications.
Issues Connecting to Server
Use Ping Tool for Diagnosis:
Access the Ping Tool by going to 'Settings' > 'About POS' > 'POS Configuration' > 'Merchant Self Test' > 'Advance' > 'PingTool'.
Perform a ping test to a well-known website.
A successful ping indicates a functional network; a failed ping suggests an issue with the settings or network connectivity.
Weak Signal Strength
Test SIM Card in Another Device: If the signal is consistently weak, test the same SIM card in a different device to determine if the issue is with the signal or the terminal.
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