FAQS

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How to send devices for R&M by delivery?
a. Apply RMA list and non-commercial invoice from service center.
b. Please declare delivery as normal USB barcode reader with the piece of $20 per unit and do not send back the accessories especially batteries if they are working fine. Please send back by TNT if it is possible since this would be easier for custom clearance. Fill and send RMA request sheet and non-commercial invoice. And send the faulty devices no more than 3 pieces in one packet.
How to check serial number of C72?
a. Switch on the device.
b. Click “Setting” to enter “ALL”.
c. Swipe down and click “About phone”.
d. Click “Status” to check serial number.
How to check serial number of C71?
a. Switch on the device.
b. Click “Setting” to enter “ALL”.
c. Swipe down and click “About phone”.
d. Click “Status” to check serial number.
How to check serial number of C70?
a. Switch on the device.
b. Click “Setting” to enter “ALL”.
c. Swipe down and click “About phone”.
d. Click “Status” to check serial number.
How to check serial number of H100?
a. Switch on the device.
b. Click “Setting” to enter “ALL”.
c. Swipe down and click “About phone”.
d. Click “Status” to check serial number.
How to test and demonstrate RFID function?
a. Switch on the device.
b. Click Appcenter enter its page.
c. Select according RFID function to scan the cards.
How to check the reason of SIM card identification failure of C4050?
a. Make sure the SIM card can be supported by device.
b. Contact local operator to adjust internet service.
c. Check SIM card slot contact is broken or not, use alcohol to clean the contact to make sure there is no oxidation.
d. Contact sale representative or service center for R&M.
How to check the reason of SIM card identification failure of C4000?
a. Make sure the SIM card can be supported by device.
b. Contact local operator to adjust internet service.
c. Check SIM card slot contact is broken or not, use alcohol to clean the contact to make sure there is no oxidation.
d. Contact sale representative or service center for R&M.
How to check the reason of WIFI connection failure for C4050?
a. Connect WIFI and start-up PING tool in Appcenter to check IP address.
b. Check the device can reach server or not.
How to check the reason of WIFI connection failure for C4000?
a. Connect WIFI and start-up PING tool in Appcenter to check IP address.
b. Check the device can reach server or not.
How to check the reason of switch-on failure of C6000?
a. Dismantle the battery and change same type battery to switch on.
b. Connect the device with standard adaptor to charge the device and try to switch on, or use same type adaptor to charge.
c. Try to use the charge base to charge.
d. Connect C6000 with PC or laptop and check the device can be synchronized with computer or not.
e. Try to reflash operating system.
f. Contact sale representative or service center to send the device back for R&M.
How to check the reason of switch-on failure of C4050?
a. Dismantle the battery and change same type battery to switch on.
b. Connect the device with standard adaptor to charge the device and try to switch on, or use same type adaptor to charge.
c. Reflash operating system.
d. Contact sale representative or service center to send the device back for R&M.