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AT&T and Verizon compatibility for iPhone 5 or 6 with LTE

While we wait for Apple to make an announcement about the next iPhone, speculation of what features the next handset will have continue. Recently there were rumors that the iPhone 5 was already being field tested by AT&T. There has also been talk of the iPhone 5 might not be able to support 4G networks, but today we are looking at AT&T and Verizon compatibility for iPhone 5 or 6 with LTE.

The trouble is if Apple does decide to eventually release an iPhone with LTE compatibility the handset will not be universal on both AT&T and Verizon. If you buy any handset which is designed to run on AT&Ts 4G LTE network it won’t work on Verizon, according to an article on TG Daily by Mark Raby.

Verizon and MetroPCS currently use the LTE for their standard 4G high-speed data transfers, and AT&T have plans to roll out a LTE network later this summer. The system which AT&T and T-Mobile uses is based on the SIM card. This means all the reference data e.g. calling plan, cell phone number, and network information are all stored directly to the SIM card.

So this should mean if you have a T-Mobile card it should just slot into an unlocked AT&T phone, and still be able to use the phone as normal. But Verizon uses a system where all the information is stored in the handset itself. According to an article on Blast Magazine Verizon are saying that its 4G LTE handsets will not work on the AT&T 4G LTE network because of the frequency.

Verizon uses the higher end of the 700MHz range between 746 and 787 MHz, while AT&T uses the lower end between 704 and 746MHz. This may not seem a lot of difference but it still means the latest Android handsets and the iPhone 5, will need different versions to work on both networks.

While Verizon may be changing over to the SIM card system for its LTE handsets but the changeover is new to the carrier. There are also reports that Verizon are using technology that stops rival carriers SIM cards from being used in their handsets.

So just as you thought things were about to get more flexible and let users have more choice, think again as things haven’t really changed much. Do you think the networks should have a system which allows each other’s handsets to work on their networks?

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Written by Gary Johnson

Gary has a background in engineering and passion for motorcycles, gadgets, and home cinema. In his early years, his obsession for Hi-Fi technology would see him creating the perfect setup with a good ear for sound quality. While Gary is keen to write about most topics that PR covers, his love for phones finds him reporting a lot of news about applications for iPhone, Android, and other popular operating systems

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