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How to Upgrade an iPhone to 4G


As it has done at the same time every year since 2008, Apple launched its newest iPhone variant–the “4G”–in June 2010. To coincide with this release, AT&T offered certain iPhone customers the opportunity to upgrade their devices, contingent on said customers extending their service contracts. If you want to upgrade your existing iPhone to an iPhone 4G in accordance with this promotion, you must first find out whether or not you qualify for the upgrade and then contact AT&T to proceed.

Things You’ll Need : iPhone, AT&T iPhone service


  • Determine your eligibility for the upgrade to iPhone 4G. Call *639# from your AT&T iPhone and listen to the prompts. You may also check your upgrade eligibility by logging into your AT&T account via the link listed in the “Resources” section below.