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The mobile phone GSM operating system is defective

In order to seize the market when mobile phone manufacturers produce mobile devices, the mobile phone operating system itself is not perfect, leaving a loophole in communication security that needs to be improved. In addition, many mobile phones have no mobile firewall when surfing the Internet, which makes it easy for mobile phone eavesdropping software to invade.

Answers

The global mobile communication GSM is a standard issued by the European Standardization Commission in 1992. It adopts digital communication technology and unified network standards to ensure communication quality and develop more new services for users.
In fact, ordinary GSM interceptors understand the operation method of GSM key through mobile phone number location, use carrier interception detection technology, and then use monitoring software and exhaustive method to decode.When purchasing gsm jammer, we need to know our own needs. It is feasible theoretically to copy SIM card information after decoding.