How To Fix Wi-Fi Problems on Galaxy A14
When a phone can’t send MMS, it is often due to disabled mobile data service or weak signal. MMS messages are sent through a network that’s capable of bigger throughput, and your phone must be connected to it constantly for the service to work properly.
If you have this problem, the first thing you need to do is to check the reception of your phone. A quick look at the status bar will tell you immediately if it’s a signal-related issue or not. If you’re getting 2 bars of signal or less, then it might be the reason why MMS aren’t sent.