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Unlocked vs. Locked Smartphones

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Smartphones (Unlocked vs. locked)

When it comes to buying a new smartphone, one of the decisions you’ll need to make is whether to buy an unlocked or locked device.  Both options have their pros and cons, and the best choice depends on your specific needs and circumstances.  Let’s dive into the differences between unlocked and locked smartphones, the pros and cons of each, and provide guidance on which one you should buy.

Understanding Unlocked and Locked Smartphones

Before we dive into the pros and cons, let’s first understand what we mean by unlocked and locked smartphones.

  • Locked Smartphones:  These are phones that are tied to a specific carrier or service provider.  For instance, if you buy a locked Galaxy S21 Ultra from T-Mobile, you can only use the device on T-Mobile’s network.  Your Galaxy S21 Ultra will not work on Verizon or other wireless carriers.
  • Unlocked Smartphones:  These are phones that have no network restrictions.  You can virtually use whatever service provider and switch whenever you want.  You have all the control.  Just swap one carrier’s SIM card for another, and you’re good to go.

Pros and Cons of Locked Smartphones


  • Lower Upfront Cost:  Locked phones are often subsidized by the carrier, which means you can get a high-end phone for a lower upfront cost or even free.
  • Payment Plans:  Many carriers offer installment plans that allow you to pay off your phone over time, which can make even the most expensive phones more affordable.
  • Carrier Support:  If you have issues with your phone, you can get support directly from your carrier.  This can include technical support, repairs, and replacements.
  • Carrier-Specific Features:  Some carriers add their own features to their phones, which can include apps, settings, and services that are not available on unlocked phones.
  • Ease of Setup:  When you buy a locked phone, it’s already set up to work with your carrier’s network.  You don’t have to worry about compatibility issues or setting up network settings.
  • Insurance Options:  Carriers often offer insurance plans that can protect your phone from damage, loss, or theft.
  • Trade-In Programs:  Many carriers have trade-in programs that let you upgrade to a new phone and get credit for your old one.
  • Network Optimization:  Locked phones are optimized for the carrier’s network, which can result in better performance in terms of speed and connectivity.
  • Bundled Deals:  Carriers often offer deals where you can get a discounted phone if you sign up for a certain plan or add additional lines to your account.
  • No Compatibility Issues:  With a locked phone, you don’t have to worry about whether your phone will work with your carrier’s network.


  • Limited Carrier Mobility:  Locked phones are tied to a specific carrier, limiting your ability to switch carriers if you find a better plan or service elsewhere.
  • Travel Inconvenience:  If you travel internationally, you may face high roaming charges with a locked phone.  Unlocked phones allow you to use local SIM cards, which can be more cost-effective.
  • Delayed Updates:  Sometimes, updates to the phone’s operating system have to be approved by the carrier before they can be installed, which can result in delays.
  • Bloatware:  Locked phones often come with pre-installed apps from the carrier, also known as bloatware, which can take up storage space and cannot be easily removed.
  • Resale Value:  Locked phones may have a lower resale value compared to unlocked phones, as they can only be used on one carrier.
  • Early Termination Fees:  If you want to switch carriers before your contract is up, you may have to pay an early termination fee.
  • Limited Phone Selection:  With locked phones, your choice of phone models is limited to what the carrier offers.
  • Long-Term Cost:  While locked phones might be cheaper upfront, the long-term cost can be higher due to expensive carrier plans.

Pros and Cons of Unlocked Smartphones


  • Carrier Freedom:  Unlocked phones can be used with any carrier, giving you the freedom to switch providers as you wish.
  • No Contract:  With an unlocked phone, you’re not tied to a long-term contract with a carrier.
  • International Use:  Unlocked phones are ideal for international travel as they allow you to use local SIM cards, avoiding expensive roaming charges.
  • Wide Selection:  You have a wider selection of phone models to choose from, as you’re not limited to the phones offered by a specific carrier.
  • No Bloatware:  Unlocked phones typically don’t come with pre-installed carrier apps, freeing up storage space on your device.
  • Resale Value:  Unlocked phones often have a higher resale value as they can be used with any carrier.
  • Flexibility with Plans:  You have the flexibility to choose and change your phone plan as needed, and can take advantage of competitive offers from different carriers.
  • Faster Updates:  Unlocked phones often receive system and software updates more quickly, as they don’t have to go through carrier approval.


  • Higher Upfront Cost:  Unlocked phones are typically more expensive upfront than locked phones because they’re not subsidized by a carrier.
  • Compatibility Issues:  Not all unlocked phones work with all carriers. You’ll need to check whether the phone supports the network bands used by your carrier.
  • No Carrier Support:  If you buy an unlocked phone, you won’t get the same level of support from your carrier.  For example, if you have technical issues, you’ll need to contact the phone’s manufacturer instead.
  • No Payment Plans:  Carriers often offer payment plans that let you pay off a locked phone over time.  With an unlocked phone, you usually have to pay the full price upfront.
  • No Carrier-Specific Features:  Some carriers add features to their phones, such as Wi-Fi calling or VoLTE.  These may not work on an unlocked phone.
  • Warranty Considerations:  Some manufacturers may not honor the warranty for unlocked phones.
  • Potential for Higher Repair Costs:  Since unlocked phones aren’t tied to a specific carrier, you might have to pay out-of-pocket for repairs if the manufacturer doesn’t offer a robust warranty.

Which One Should You Buy?

The decision between buying an unlocked or locked smartphone ultimately boils down to your specific needs and circumstances.

If you’re tech-savvy, have the money to buy the phone you want upfront, often travel internationally, and want the freedom of switching carriers as and when you want, then an unlocked phone might be the best choice for you.

On the other hand, if you don’t have the money to pay for a device upfront or are reluctant to splurge, then a locked device might be a better fit.  Locked phones also offer the convenience of having your device payment and carrier plan in one place.

Remember, the most important thing is to choose a phone and a plan that best fits your needs and budget.

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