How to Make My iPhone Work With TMobile


Despite the fact that the iPhone has an exclusivity agreement with AT&T, consumers can still bypass the software blocks that lock their phone to AT&T as a carrier, and switch to another GSM network-based wireless provider such as T-Mobile. To do this, you will need to jailbreak and unlock your device using the PC and Mac program Blackra1n. Doing so will open up your iPhone to be used on any GSM Network, allowing you to enter in specific settings for T-Mobile.

Things You'll Need

  • IPhone
  • USB iPhone cable
  • Blackra1n
  • T-Mobile SIM card
  • IPhone SIM card removal tool
  • Connect your iPhone to your computer and open up Blackra1n.

  • Click on the Make it Ra1n button, which will initiate the jailbreaking and unlock process. When finished, your device will reboot.

  • Enter the "Settings" app on your iPhone and navigate to the "General" tab.

  • Tap the "General" tab, then tap "Network," and finally tap "Cellular Data Network."

  • Tap APN and enter "" in the text field. Leave the user name and password fields blank because they will be assigned automatically by T-Mobile.

  • Save the settings and turn off your device.

  • Eject the SIM card tray from your iPhone using the SIM card removal tool. If your device is an iPhone 4, the SIM tray will be on the right-hand side of the device. Older iPhones have the SIM tray at the top.

  • Place your T-Mobile SIM card into the SIM tray and slide your SIM tray back into the device.

  • Turn your iPhone back on and you will now be able to use it on T-Mobile's data network.

Tips & Warnings

  • SIM cards from T-Mobile must be activated with a data plan and be assigned a unique phone number before they can be used.
  • Jailbreaking your device will void any warranty that your device currently has with Apple.

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