If you're looking to buy a used or refurbished iPhone, you should take a few important things into consideration first.

4G bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29 - A1549 GSM, A1549 CDMA 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39 ...

The initiative aims to modernise the GSM-R core network of the Netherlands’ national railway system. Credit: Bert e Boer/Shutterstock.com. Nokia has received a contract from Dutch rail infrastructure ...

Today, Meta has announced that it's bringing ads to WhatsApp. They will appear in the Updates tab, which is home to both Channels and Status. Meta says the Updates tab is now used by 1.5 billion ...

When it comes to mobile phone technology, there are two major players in the industry: CDMA and GSM. CDMA stands for Code Division Multiple Access while GSM stands for Global System for Mobile ...

You’ve landed in the right place for answers. We’re about to delve into the nitty-gritty of phone compatibility, network carriers, and options to keep your trusty smartphone functional throughout your ...

When it comes to mobile communication technology, there are two main types – GSM and CDMA. Both the technologies have their advantages and disadvantages, and it can be quite confusing to choose ...

The mobile cellular industry has been around for a long time and is constantly innovating to meet the needs of its users. The development of these services led to the of several other communication ...

As the networks improves, demands for rapid data transfer rates for multimedia services grow, operators are seeking new cellular communication solutions based on technologies like CDMA, GSM, and ...

Allison Johnson is a reviewer with 10 years of experience writing about consumer tech. She has a special interest in mobile photography and telecom. Previously, she worked at DPReview. The Department ...

WASHINGTON, Aug 9 (Reuters) - The U.S. Justice Department said in a letter released on Monday that it has "grave concerns" about T-Mobile's plan to shut down a network that Dish Network (DISH.O), ...