Unlocking a smartphone is as simple as entering a code. This blog shows how to network unlock your device. Having an unlocked has a lot of benefits and reasons that can struck the right chords ad you should know how to get it done.

However, there is a good chance that your brand new smartphone is already SIM unlocked, even when you purchased it from a carrier. Some of the handsets that are bought unlocked are the likes of nexus devices or a handset you have purchased from eBay or Amazon or a company that is an international version like Alcatel and Asus.

Smartphones from Verizon and Sprint are usually network unlocked. They use network configuration without a user accessible SIM card for 3G data and voice but for 4G LTE connection a standard SIM card.

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Most smartphone your purchase from T-Mobile or AT&T are going to be SIM locked.

A Carrier Can Unlock a Phone

This is the best way to get the phone SIM unlocked.

Tell the carrier that you want to network unlock your smartphone and they will give you a code. When you put the SIM card to a different network in the smartphone it asks you the code. Enter the code to get the SIM recognized.

You might be required to APN setting for the new network.

Using a Unlocking Service

There some companies that purchase network unlock codes in plenty from carries and then they resell then to public.

Using this method, you unlock the smartphone the very same way you would do if you used the carrier. These companies charges you $20 to $30 to send you a code.

After inserting a new SIM card, you enter this code to unlock the code.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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