1. Check whether the mobile phone signal is stable. If the signal is unstable or weak, it will affect the normal call of the mobile phone. You need to restart the mobile phone to search for the signal again or try another location.
2, check whether this situation occurs in every phone call, exclude whether it is the other party's phone problem;
3, frequent call interruption, it is recommended to take out the SIM card and reinsert it;
4. Replace other SIM cards to see if the same problem occurs;
5. Try to update the mobile phone system version: select Settings, about the phone, manually download the update or automatically download the update;
6, with the purchase invoice, three vouchers to the mobile phone to the nearest after-sales service center testing.
for the following reasons
(1) The most common reason is that you or the other party's network is not good and will hang up
< br >
(2) If the network is good, it is also related to the phone itself, too many background programs will cause the phone to run insufficient memory, and the video will be automatically closed by the phone.
(3) Special reasons are related to different mobile phones, and some mobile phones will have these problems.
Possible reasons are as follows:
1. The network environment is not good, such as the mobile network of mobile phones is not good or the Wifi is not good
2. The wechat app does not respond because the phone itself is stuck.
< br >
3. The continuous video time is too long, and the continuous video will be interrupted once when it reaches about an hour.
The occurrence of this situation may be a mobile phone system failure, or it may be a wechat software problem. You can perform the following operations: Check whether the mobile phone network connection is abnormal. Update the wechat software version. Update the mobile system version. Back up important data of the phone and restore factory Settings. Wechat version upgrade method Step 1: Open \"wechat\
Step 2: Open Settings
Step 3: Open \"About wechat\