How To Configure T-Mobile EDGE Internet for iPhone

How to enable T-Mobile Internet on an unlocked iPhone, iPhone 3G or iPhone 3GS.
First you will need to add a data plan to your T-Mobile account. You can add T-Zones T-Mobile Web for $5.99 (this package is no longer available to add to new plans, it must've been added before). You can also one of the other data plans that T-Mobile offers.

Add these settings in Cellular Data Network in the APN field: wap.voicestream.com
or
internet2.voicestream.com
or
epc.tmobile.com

Leave username and password blank.

More info and written instructions: http://www.iphoneinquirer.com/2009/07/how-to-configure-iphone-edge-internet.html

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