Remove Simlock: you need to know
You buy a Smartphone with the associated Tariff, you get the cell phone usually at a significantly lower price. In order for the offer for the mobile operator pays, is the Smartphone with a phone provided by the phone only with SIM cards from the respective provider works.
- A t-mobile remains but not forever on the Smartphone. After the term of the contract, usually 24 months, you can remove the Simlock for free. This allows other SIM cards in the phone. You want to be before the end of the term of the contract free, you pay around 100 euros.
- To remove the Simlock from your Smartphone, you need in some cases, the IMEI number. Call you on your cell phone the Code *#06# on your phone App. Then the 15-digit IMEI number appears on the Display.

Smartphone from Smartphone, remove
Instructions: t-mobile iPhone and co. remove
Most providers allow only iPhones with t-mobile. For this reason, most of the following instructions apply only to the iPhone.
- You can use an older iPhone, load iTunes and connect the device via USB cable to the Computer. In some cases, the iPhone is already unlocked by your mobile provider, so the phone after the sync disappears automatically.
- Otherwise, you need to take care of yourself in order to unlock it. In the following practice tips and documents you will find instructions for removing Simlocks for O2, T-Mobile, Vodafone and AT&T.
In the next practical tip we will show you how to make your cell phone from theft protect.