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 ...

The Subscriber Identity Module (SIM) card in your phone is a vital component that enables the device to make calls, send text messages, and connect to the internet. It provides a unique phone number ...

If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

New Android Q code suggests the upcoming OS version will give carriers more control over SIM-locking phones. Carriers could, hypothetically, lock out the second SIM tray in a dual-SIM phone if the ...

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 ...

When you turn on your device, you may need to enter a PIN (Personal Identification Number) before or after you unlock your phone. Note! If you enter your PIN code incorrectly several times, the SIM ...

(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 ...

There are a lot of great smartphones on the market right now, but it’s hard to find one that’s more well-rounded than the Samsung Galaxy S9 and its larger brother, the S9+. Both are packed with great ...