In this guide we’ll show you how to SIM unlock the Galaxy S9 so you can use it on different carrier networks. That way if you bought the Galaxy S9+ from AT&T, you can still take it to T-Mobile if you ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

Major cellular carriers — Verizon, AT&T, T-Mobile, Sprint, and others — typically lock their networks to the iPhone you buy from their stores or pay for via an installment plan. What does that really ...

LG provides a myriad of phones for several different service carriers. However, not all phones can be unlocked, and not all LG phones can be unlocked. The only types of phones that can be unlocked are ...

SIM card swapping for travel outside of the U.S. is a snap, but give your carrier some time to get the unlock code. In a software-driven world, it's easy to forget about the nuts and bolts. Whether it ...

Click to viewWe have tested iPhone Sim Free claims and they work. It still not a process for the faint of heart, as it requires using command line-voodoo for the jailbreak and activation, but it works ...

A company called 24/7 Mobile Solutions announced a product called SIMable today. SIMable is a very thin chip that you attach to a standard SIM card. When the two chips are inserted into a locked ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...

I've come to the US with an unlocked GSM phone from overseas for a month. The phone is probably 5 years old. I just found out that the US carriers cutoff the 3g networks to enable 5g, and because of ...

If you’re like most technology buyers, you’re accustomed to purchasing locked smartphones — that is, phones that are restricted to the network of the specific mobile carrier from whom you purchased ...

Pay-as-you-go cell phone provider Straight Talk employs SIM cards, allowing you to use your own unlocked GSM or CDMA phone on the network or purchase one of the phones that the company offers directly ...