Shanghai YUGE CLR920 User’ s Manual
Shanghai YUGE Information Technology co., LTD
Page 11 of 17
automatically find the optimal network according to the SIM card, for example, to look up the
LTE network first. If there is no LTE, look for the WCDMA or EVDO network, and then look
for the GSM or CDMA 1x network. It is recommended to keep this setting.
APN setting function, the device presets most of the operator APN related settings, and
the APN is set to the automatic selection mode to automatically match. If the SIM card is
special, it may not be automatically matched. In this case, you can set the APN manually.
If the APN is set up according to the requirements of the SIM card operator, you still
cannot access the network. You can try to modify the authentication type. The three
authentication types are different. You can try it.
2.4 Advanced Settings
2.4.1 Mobile APN
This setting is used to change LTE network register APN. Keep it default and do not
change it. If the APN is set up according to the requirements of the SIM card operator, you
still cannot access the network. You can try to modify the authentication type. The three
authentication types are different. You can try it.
