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changed as required.
PIN2 (Personal Identification Number 2)
The code is an authorization code to access certain special field in your SIM card. The PIN2 code
does not come with your subscription in some country.
Roaming
Use of your phone when you are outside your subscription network area.
SIM (Subscriber Identity Module)
It contains subscriber details, security information and memory for a personal directory of numbers.
SMS (Short Message Service)
Messages to be sent and received via the network service operator's message centre to your mobile
phone. To use this service, it must be supported from your network.
WAP (Wireless Application Protocol)
A standard specifically created for mobile communications devices and gives fast and easy access to
Internet information and services.
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