What if the communication big data travel card has no travel record?

The reason may be that there are fewer calls and the system does not record the user's location information.

Solution:

1, roaming in different places, you need to make five calls a day, exceeding 1 minute, and then the interval between each call must exceed 20 minutes. At about 9 o'clock the next day, mine returned to normal.

2. Call someone else. Remember to contact. /kloc-There must be two outgoing calls with an interval of more than 4 hours within 0/4 days. The latest call time should not exceed 8 pm. Call the day before, and the information can be found around noon the next day 12.

Extended data:

Traffic big data travel card query method;

1. Open the mobile phone WeChat and click the search box in the upper right corner.

2. Enter "communication travel card" in the search box, and click the communication travel card in the search results to enter the query.

3. If you want to check the local telephone number, please tick "Agree" here and click "Check".

4. Click "Query", and the query results will appear, showing the cities that the owner has visited in the last 14 days.

5. If there is no key epidemic area, the arrow shows green.