You can log in to the telecom business hall with your mobile phone to check the points. Take Huawei Changxiang 7 mobile phone as an example. The method is as follows:

1, open the phone and find the "Telecom Business Hall" APP in the phone:

2. Open the APP, log in according to the prompts, and click the points on the "My" page. This is the total score of the current mobile phone card:

3. After entering the integral page, click the integral details:

4. After entering the page, you can see the specific generation time of the integral and the explanation about the validity period of the integral: