
www.unisem.co.kr | iot@unisem.co.kr |+82.31.724.2548
Table of Contents
1. Precautions concerning pre-service..........................................................................................................................3
1.1 Precautions ..................................................................................................................................................................3
1.2 Device package configuration..........................................................................................................................3
1.4 Device installation and sealing method .....................................................................................................6
1.5 How to unseal and retrieve the device.......................................................................................................8
2. How to use the device......................................................................................................................................................9
2.1 Device operating process....................................................................................................................................9
2.2 Insertion of the USIM......................................................................................................................................... 10
2.3 Check battery remaining volume ................................................................................................................ 11
3. Device maintenance ........................................................................................................................................................ 12
3.1 Wire replacement method............................................................................................................................... 12
3.2 USIM replacement method ............................................................................................................................. 12
3.3 How to deal with battery charging/discharging and replacement.......................................... 12
3.4 Device reset method........................................................................................................................................... 12
3.5 APN and NFC setting method....................................................................................................................... 13
4. Trouble Shooting............................................................................................................................................................... 20
4.1 Device debugging method.............................................................................................................................. 20
4.3 Log data analysis method................................................................................................................................ 33
5. Device FAQ ........................................................................................................................................................................... 35