Under the dual 4G working mode, sometimes Huawei nova2s can't receive calls, get stuck on the network card or receive short messages slowly.

Under the dual 4G working mode, the mobile phone can only handle business with one card at a time. If two cards appear to communicate with the network at the same time, there will be conflicts, which will affect the business of one card.

Solution

If there are problems such as delay in receiving short messages and stuck network card, it is recommended to temporarily turn off the dual 4G switch or disable another card.

you can set the > Wireless and network > Set in dual card management.