I bought a traffic packet on my mobile phone, which is useless. At first, it suddenly disappeared.

Traffic packets cannot be used after purchase. It is recommended to check the following:

1. Effective time of the traffic packet. If it takes effect in the current month, it is recommended to check whether you have received the SMS prompt. Generally, the traffic packet takes effect after the SMS prompt; If it is a traffic packet that takes effect the next month, it cannot be used in the month of ordering.

2. Check whether the number is turned on normally. If it is an abnormal opening situation such as arrears and downtime, the traffic packet cannot be used.

3. Check whether the network is in a normal online state and whether the signal is normal.

If the traffic is used quickly, it is recommended to try to download traffic monitoring software to monitor the usage of traffic in the package in real time. For example, Android phones can be accessed through Google.

NetCounter online housekeeper. Through the monitoring of the software, you can check out which function uses the traffic without the user's knowledge. For example, mobile phone viruses may transmit information in the background and cause traffic. Some commonly used software settings will also generate traffic, such as stock trading software. If the user sets continuous refresh, it may also generate traffic.