By entering certain strings of numbers and symbols into your phone's dialer, you can gain access to a world of hidden information. Here's how to do it.

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Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether it's ...

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Sim Unlock Pro is a very useful application for unlocking the SIM card of a mobile phone without root. This application is a replacement for a previous app that required root. You can now use this app ...

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If you lock your SIM by entering the wrong PIN, you can recover access using the PUK code (PIN Unlock Code). However, be cautious, as the PUK code can only be entered incorrectly ten times, adding ...