How to delete all harassing calls at once?

You can try Tencent mobile phone housekeeper, which can intelligently identify stranger numbers and intercept them. Intelligent interception of all harassing calls. Will not intercept normal calls. In addition, Tencent Mobile Manager's mobile phone acceleration, cloud killing, garbage cleaning, harassment interception, secure search and other functions are also very easy to use and thorough. Tencent mobile phone housekeeper has been certified by various authoritative organizations at home and abroad for many times.