This guide explains how to SIM unlock the Galaxy Note 8 for use on another carrier. There are a few different ways to unlock a phone, and a few reasons many choose to unlock their device. Whether that ...

The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

One of the promoted specifications on the new Apple iPhone 4S is the "world phone" capability, but it isn't quite the world phone that many international travelers who use GSM phones are used too.

Phone suddenly showing "No SIM" or "Invalid SIM"? Don't panic, there are a few quick checks that can get you reconnected fast ...

SIM locks are a very unfortunate feature employed by network carriers around the globe, that restrict the usage of your iPhone only to their services and SIM cards. More and more carriers are already ...

Galaxy Note 3 users who wish to unlock their SIM, which is locked to a particular network, may follow our step-by-step guide. The tutorial offers two methods: one is to unlock the Note 3 SIM for free ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

For the better part of the last decade, Verizon’s smartphones haven’t been SIM-locked. That means that a Verizon phone can work on basically any other network even if you bought it directly from the ...