Hello; You can install a Tencent mobile phone housekeeper to intercept power failure, and Tencent mobile phone housekeeper can set harassment interception to prevent sending SMS again; You can also set the words appearing in spam messages as keywords, so that messages with these keywords will be intercepted by Tencent mobile phone housekeeper; You can also report intercepted spam messages and harassment numbers, which can improve the accuracy of Tencent mobile phone housekeeper and let you have no worries; Thank you for your adoption.