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it Insert original carrier AT&T SIM card Dial 611 for AT&T customer service hotline and drop the call Turn on Airplane Mode Take out AT&T SIM card Insert T-Mobile SIM card Make sure WiFi is off ( also tap on 'Forget this Network" to make sure it doesn't connect automatically later) Switch off Airplane Mode and iPhone will search for network. This is followed by the Apple splash screen appearing. Activation Required will be displayed on the screen EDGE network will activate automatically -- notice the 'E' on the top left corner of the screen Wait for about 20-30 seconds and turn off the phone Turn on iPhone and the same Activation Required screen will be displayed When you see one signal bar, tap on Use Cellular Connection Eject SIM card Activation Required screen will be displayed the second time Insert SIM card Unlocked! for T-Mobile Internet and picture messaging: From the main menu, tap Settings. Tap General. Tap Network. Verify the following settings: Data Roaming: On Wi-Fi Off 3G Enable Off Note: The Apple® iPhone® is missing the WCDMA 1700/2100 band, and cannot function on the T-Mobile 3G network. Note: Changing the 3G Enable function while the device is on an active call may cause the call to disconnect. Tap Cellular Data Network. Configure as follows APN epc.tmobile.com Username Leave Blank Password Leave Blank Enter the following information under the MMS section: APN epc.tmobile.com Username Leave Blank Password Leave Blank MMSC mms.msg.eng.t-mobile.com/mms <b>...</b> |
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| Time: 04:39 | More in Howto & Style |
How to unlock iPhone 4s
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