How to check the previous text messages when changing calling cards?

Call records and SMS records can be found on the detailed list of the handheld business hall, or go to the entity's own business hall and ask the salesperson to print the list for you.

But only the mobile phone number and dialing time can be found, and the short message can only find the sending mobile phone number and sending time, and the content of the short message can't be found back.

Pocket business hall or entity-owned business hall can only query the phone or SMS records in the last six months, and the records over six months cannot be found back.

Extended data

1, call record refers to all kinds of information recorded in the operator's switch, such as calling, called, calling short message, called short message and roaming call initiated by fixed telephone users and mobile telephone users.

2. Call records provide a basis for operators to charge and users to verify their calls.

3. There are usually three ways to query call records, namely, online business halls, mobile phone business halls or offline business halls of major operators in the last 6 months (including the current month).

4. Before querying, you need to confirm that you have the ownership and right to use the searched number, otherwise you can't query. When inquiring online in the business hall, the owner needs to bring the original ID card for inquiry.

Reference materials? Baidu encyclopedia; call log