Merriam Webster’s defines it as…just kidding. Dual SIM refers to a phone that can have two SIM cards at once. Those are considered dual SIM devices. Dual SIM means a phone can have either a physical SIM card and an eSIM, two eSIMs or two physical SIM cards. The newer generation of Apple iPhones, for... Read more
You’re probably familiar with SIM cards but you may not be up to speed on eSIM – a relatively new technology found in most new smart phones. So what exactly is eSIM? Well the quick answer is eSIM is a SIM that”s already built into the phone (the e stands for “embedded”) unlike the physical... Read more
If you’ve just learned what a SIM card is, but still haven’t seen one, or if you’re trying to find a new SIM card because you want to switch providers, you might be curious what the different SIM card sizes are. There are four different sizes: a full-size SIM, mini SIM, micro SIM and nano... Read more
Maybe you just found out what a SIM card is, or maybe you’re swapping cards and you’re curious what’s actually going on inside your SIM card. The answer is that SIM cards store data specific to you, the phone user, including things like your phone number. SIM cards also have an ID number, or international... Read more
If you don’t keep up with the news, you might not have heard of the 3G shutdown. This year, all nationwide wireless providers are sunsetting their 3G networks. Any phones that run exclusively on these networks will no longer be able to make or receive calls, or use other data services, including emergency services. Basically,... Read more
You may already know what a SIM card is and how to remove yours from your iPhone or Android device. But you’re probably wondering what exactly happens when you move your SIM card to another phone or get a new SIM card altogether. The short answer? Not much. All the really important stuff is either... Read more
You’re shopping for a new wireless carrier; you’re most likely looking at coverage, price, devices and how cool their mascot is. But one thing you should also consider is whether their network technology is GSM vs CDMA. These two similar but incompatible ways of connecting to a wireless network can be a huge difference maker,... Read more
If your first thought was to type in, “what is an imei number” on Google, you’re not alone. IMEI stands for International Mobile Equipment Identity and helps identify a specific phone across all mobile networks. Think of it as a social security number for your phone, or a fingerprint. It’s a 15-17 digit number that... Read more
You’ve probably seen the term LTE floating around when you’ve shopped for a new phone. But what does it mean? LTE stands for Long Term Evolution. It’s the standard way our wireless data is transmitted (which means it’s the way our phone connects to the internet using cell towers) and what allows you to download... Read more
VoLTE, short for Voice over Long Term Evolution, is basically the way our phones transmit our voices during calls. If your phone uses Voice over LTE, calls are placed using your LTE connection. Prior to using LTE, calls were transmitted to a separate channel, which would lead to your internet connection slowing down while you... Read more
