Why can't Xiaomi's mobile phone find the call record?

-Principle: The received SMS is stored in the inbox of your mobile phone and the outbox of the receiver's mobile phone.

-Features: You can see it without the password of the target mobile phone. In other words, if you look at other people's records, you won't know. It will be stored in the operator's system and forwarded to the designated number. If both SMS messages are deleted, the SMS messages that have been sent and received can't be found at all. Even if the mobile phone is deleted, the principle of sending mobile phone short messages is that the sender first uploads the short message content to the mobile and Unicom short message gateways, and then downloads it to the receiver's mobile phone after instant processing. Therefore, in theory, both China Mobile and China Unicom can query the information of mobile phone calls. For the purpose of "protecting users' privacy", everyone claims that they can't query mobile phone call information.

-Help you check as follows: effectively prevent the other half from cheating, lover, friend, privacy/privacy. You can know everything about him (her) completely. As long as you have the corresponding receiving equipment, you can intercept the short message.

In fact, the technology now is quite high-tech. You have to ask the technician how to operate it.

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