Fault symptom:
ThinkPad8 is a standard 4G module. Currently, it cannot be identified and used using Unicom 4G cards ,.
Solution:
The ThinkPad 8 hardware supports the full NetCom 4G, but the firmware needs to be upgraded.Tip: During refresh, ensure that the power is sufficient, do not remove the SIM card, do not run other programs, do not switch users, restart, sleep, and wait for other operations.
The downloaded file is an EXE program and can be successfully upgraded after running it in the system.
Link: http://pan.baidu.com/s/1sjKEuCH password: kfcf
Download the upgrade program from the online storage and open and run it. Click Start;
Click next;
In this case, you can find the device progress and see "prepare to download the upgrade program" on the interface, as well as precautions during the upgrade process;
Wait for the upgrade program to be automatically downloaded;
The download is automatically updated;
After the upgrade is completed, restart Thinkpad 8 and then full Netcom will support the upgrade.