what locked and unlocked phone

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https://www.cnet.com/news/confused-about-locked-vs-unlocked-phones-ask-maggie-explains/

Confused about locked vs. unlocked phones? Ask Maggie …
https://www.cnet.com/news/confused-about-locked-vs-unlocked-phones-ask-maggie-explains/
The difference between a locked and an unlocked phone is that a locked device has a software code on it that prevents you from taking a GSM-based device and using it on another GSM carrier’s…

https://www.cnet.com/news/unlocked-phones-vs-locked-phones-why-you-should-care/

What you need to know about unlocked phones vs. locked …
https://www.cnet.com/news/unlocked-phones-vs-locked-phones-why-you-should-care/
What’s the difference between a locked and unlocked phone? The difference is that a locked phone has a software code on it that prevents you from using it on another network. An unlocked phone…

https://www.bankmycell.com/blog/what-is-an-unlocked-phone-what-does-network-locked-mean/

Unlocked & Locked Phones Definition & What It Means (2021)
https://www.bankmycell.com/blog/what-is-an-unlocked-phone-what-does-network-locked-mean/
The process by which a phone is locked to one carrier is called a SIM lock or network lock. It is a built-in technical restriction or limitation that is imposed on the phone at activation. The intention of this limitation is so that mobile phone providers can ensure that the phone may only be used in their network or in certain countries.

https://joyofandroid.com/difference-locked-unlocked-android-phones/

The Difference Between Locked and Unlocked Android Phones …

The Difference Between Locked and Unlocked Android Phones

When it comes to unlocked phones, there are other means that refers to a phone being unlocked. Other than it being locked to a single carrier, unlocked phones could also mean a phone that has its bootloader unlocked. To be precise, the bootloader is software that runs as soon as the phone is booted.

https://www.verizon.com/articles/unlocked-vs-contract-phones/

Unlocked Phones Vs. Contract Phones | Verizon Wireless
https://www.verizon.com/articles/unlocked-vs-contract-phones/
When you purchase a contract phone through a carrier, it’s locked for a certain period of time. With Verizon, that’s typically 60 days; after that, customer service can unlock your device. How’s a locked phone different than a contract or unlocked phone? A locked phone only works with a specific carrier.

https://www.walmart.com/ideas/choosing-devices/what-is-an-unlocked-cell-phone-how-does-it-work/48140

What is an unlocked cell phone & how does it work …
https://www.walmart.com/ideas/choosing-devices/what-is-an-unlocked-cell-phone-how-does-it-work/48140
An unlocked cell phone is a device that can be used on any carrier that supports that phone. A locked cell phone, in contrast, is fixed to a single carrier, for example Verizon, AT&T, or Sprint. How does an unlocked phone work?

https://www.cnet.com/how-to/unlocked-phones-vs-locked-ones-everything-you-need-to-know/

Unlocked phones vs. contract phones: Which is better? – CNET
https://www.cnet.com/how-to/unlocked-phones-vs-locked-ones-everything-you-need-to-know/
Phone makers and retailers sell both unlocked phones and locked carrier phones. For example, Apple sells an unlocked version of its iPhone X, but it also sells models that are tied to AT&T, Sprint,…

https://www.verizon.com/articles/whats-an-unlocked-phone/

Benefits and Questions Before Getting an Unlocked Phone …
https://www.verizon.com/articles/whats-an-unlocked-phone/
Also, locked phones prevent theft. Unlocked phones are more likely to be sold illegally or used overseas with different carriers. Verizon locks its new phones as a security precaution. (Users can unlock them; more on that below.)

https://www.androidauthority.com/unlocked-phones-vs-carrier-phones-1023517/

Unlocked phones vs carrier phones: What you need to know!
https://www.androidauthority.com/unlocked-phones-vs-carrier-phones-1023517/
Unlocked phones usually come with no SIM card and no prerequisite to sign up with service for any particular carrier. As the name suggests, unlocked phones are not bound to any particular carrier,…

https://www.lifewire.com/before-you-buy-unlocked-phones-577494

Things to Consider Before You Buy an Unlocked Smartphone
https://www.lifewire.com/before-you-buy-unlocked-phones-577494
Each carrier offers a limited number of (locked) phone models to use with its services. Purchasing an unlocked phone elsewhere (such as from a retailer or the phone manufacturer) expands the number of models you have access to for use with your provider.