GSM Hack

How Radio GSM Works

well, today we will learn about how the GSM Radio works, simple things to think is, when you want to use the service, you must register and everything that they need must be comply with yours. If its passed, you are eligible to use their services.

When you turn on your mobile devices or modem, they will get broadcast channel from bts / nodeB around you, the UE/MS (mobile subscriber) will decrypt  it with your SIM parameters. This section is hand-shaking, Who can passed it, they will connected or identify as their customers. see on this pic :

for more detail you can see here :

GSM Vulnerable

when you passed the hand-shaking process, the BTS will allow you to use their services without checking who has "this-hands" so, when someone change their hands with their children hands, its still recognize as your hands.

Due to the authentication only on the first handshaking, you can choose the best QoS card to give the best services on you, After that, you allow to change it. see here : 

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How Radio GSM Works

well, today we will learn about how the GSM Radio works, simple things to think is, when you want to use the service, you must register and everything that they need must be comply with yours. If its passed, you are eligible to use their services.

When you turn on your mobile devices or modem, they will get broadcast channel from bts / nodeB around you, the UE/MS (mobile subscriber) will decrypt  it with your SIM parameters. This section is hand-shaking, Who can passed it, they will connected or identify as their customers. see on this pic :

for more detail you can see here :

GSM Vulnerable

when you passed the hand-shaking process, the BTS will allow you to use their services without checking who has "this-hands" so, when someone change their hands with their children hands, its still recognize as your hands.

Due to the authentication only on the first handshaking, you can choose the best QoS card to give the best services on you, After that, you allow to change it. see here :