The probability that a call is intermittent, the sound decreases, or the call is silent.
1. First, check the network environment. If the network environment suddenly deteriorates, the signal strength suddenly decreases or the interference suddenly increases.
2. The network environment where the mobile phone is located is overloaded. Try changing the network environment.
3. The microphone is blocked by your fingers. Move the mobile phone away from the microphone.
4. During the call, the volume down key is pressed by mistake.
5. For other network problems, change the place and try again.
6. If it is necessary or cannot be recovered automatically or the probability of recovery is high, back up the data and then send it to ZTE after-sales service offices for detection.
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