What should I do if my mobile phone receives a threatening text message and is harassed by an unknown phone call?

For some unwanted harassing calls, there are many harassing interception softwares. You can download a Tencent mobile phone housekeeper

which has intelligent cloud interception function. He can intelligently intercept strangers' numbers.

He can also intercept harassing fraudulent calls and blacklist annoying numbers.

All numbers that have sent text messages and made calls are blacklisted.

This will prevent these numbers from sending text messages and calling again.