How to completely delete phone records and text messages?

The detailed records of calls and short messages cannot be deleted, because they are provided by network operators, and you cannot delete them personally. If you don't want others to find out, now explain two kinds of query methods:

1. Website inquiry: After entering the inquiry password, the online business hall of telecom can inquire about the details of the user's own phone number, short message and internet access, but the owner can prohibit inquiring about the details through the online business hall, so that no one can inquire about your phone records in the online business hall, and only the owner can lift the ban;

You can check in in the business hall with your valid ID. This function cannot be blocked.