If you want to take your Galaxy S10 and use it on any carrier network, you’ll have to do a SIM unlock first. In this guide we’ll explain how to SIM unlock the Galaxy S10 or Galaxy S10+ and why you’d ...

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM card ...

If you’ve bought a cellular iPad from someone other than Apple, you may later find that the iPad is locked to a particular network. If you insert a SIM from a ...

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to troubleshoot the problem. Ther error ...