How does Apple's mobile phone hack strange short messages?

Enable filtering unknown senders and SMS filtering.

If the received spam messages are sent through iMessage, you can open Settings >; Messages > unknown and filtered messages ",just turn on" filter unknown senders ". After that, the iMessage advertisement message you received will be placed in the "Unknown and Filtered Information" in the "SMS" without warning.

If you are concerned about personal information security, you can use the trumpet service launched by the three major operators and Ali Communications. Online shopping, software registration, taxi, etc. Everyone uses "trumpet" as the contact information to ensure that your real phone number will not be leaked from the source, which can play a role in avoiding spam messages. Take Ali trumpet as an example. First, install Ali trumpet on AISI assistant. After entering the software, you can choose to get a new mobile phone number without an additional SIM card. With the trumpet, you can directly enter the number to make a phone call, or you can access your address book to make a phone call or send a text message through Ali trumpet. In Ali trumpet, you can set the shutdown or do not disturb period.