Is it illegal to harass by phone after breaking up?

If this is a serious harassment problem, it is illegal. If it is a light case, just install a Tencent mobile phone housekeeper and hack it.

1. Put this person's phone on the SMS blacklist and select "Delete Blacklist SMS" to avoid receiving SMS again.

2. In order to prevent phone harassment, put this number on the phone blacklist and set it as "Refuse to answer the permanently blacklisted phone". Choose one of the following five ways to refuse to answer the phone: On the phone:-No number:-The phone is turned off:-Incorrect connection:-Out of service.

If the circumstances are serious, turn on "recording with camera button" and keep the evidence to sue him, and he will definitely not harass you again.