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.

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.

a. Switch on the device.
b. Click “Setting” to enter “ALL”.
c. Swipe down to select “Backup & reset” and click “Factory data reset” to “RESET PHONE”.

a. Switch on the device.
b. Swipe down the screen.
c. Click “Screenshot” to capture.

a. Switch on the device.
b. Click Apppcenter to enter its page.
c. Press pupil light button on the left and scan button on the right together and loose.
d. Select functions with check mark and click save on the screenpage.

a. Switch on the device.
b. Click Keyboardemulator to enter page “Function”.
c. Setup KeyCode value to 139.
d. Select option “Barcode2D(S)” with check mark.
e. Select “ON” to Enable Scanner.
f. Select “Test” to enter the page and scan barcode.

a. Switch on the device.
b. Click Appcenter to enter its page.
c. Click icon “2D(S)”.
d. Click button “Scan” or pull the trigger on pistol to scan barcode.