Chapter 1 Product Introduction 1.1 Product appearance Version Basic version NFC version operating system Android 12 GO Android 12 GO Sunmi Security Operating System Sunmi Security Operating System 4-core 2.0GHz processor 4-core 2.0GHz processor processor memory 1GB RAM+8GB ROM 2GB RAM+8GB ROM...
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5.0"HD 1280*720 5.0"HD 1280*720 Display (5.0"FW+ 960*480 optional) (5.0"FW+ 960*480 optional) touchscreen Capacitive multi-touch Capacitive multi-touch Built-in high-speed thermal printer Built-in high-speed thermal printer Printing speed 80mm/s Printing speed 80mm/s printer Support width is 58mm Support width is 58mm Paper roll with outer diameter 50mm Paper roll with outer diameter 50mm Rear: 0.3MP FF + flash, Rear: 0.3MP FF + flash,...
Chapter 4 Hardware Manager Detection 4.1 Test preparation: SIM card, charger/cable, NFC card, etc. 4.2 Click the Hardware Manager Application--Hardware Detection on the system desktop to perform active hardware detection and confirm the hardware function. Test items Test content Mainly tests network status, can connect wifi and SIM card for network testing trumpet...
Chapter 5 Troubleshooting Guidance 5.1 Display white screen, black screen, blurry screen, etc. a. Confirm whether it is a software failure and upgrade the software first; b. Disassemble the machine and check whether the LCD interface is assembled properly, otherwise reassemble it; c.
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c. After eliminating software and battery problems, check whether the battery connector is welded well and whether there is desoldering; d. Check the power-on circuit 5.8 Not charging a. Check whether the battery voltage is lower than 6V. If the battery voltage is too low, it will not charge; b.
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