You paid for your phone, but AT&T still controls it. Stuck with a network lock, unable to switch carriers or use the phone freely—it’s frustrating. The Samsung Galaxy S25 is packed with power, but none of that matters if you can’t use it the way you want. Good news? That lock isn’t permanent. There’s a way to remove it, quickly and safely. All variants are supported, including the S25, S25 Plus, and S25 Ultra (S931U, S936U, and S938U).

unlock at&t galaxy s25 ultra

Unlock Your AT&T S25 NOW

Samsung drops new phones every year, and the Galaxy S25 the latest. Big screen, sharp camera, and a slick design—it’s no surprise people love it.

This device comes with a triple camera system, which lets you snap photos from angles most phones can’t It’s also intuitive and fast, plus boasts GalaxyAI to help you become more productive.

Buying this phone straight from Samsung costs a lot. Many people go through AT&T because it’s cheaper upfront but their contracts have strict terms. Miss a payment or try to switch early and you could face hefty fees.

If your phone is locked to AT&T it only works on their network. Even if they unlock it some restrictions might still apply. A permanent unlock removes those limits and lets you use your AT&T S25 Ultra, S25 Plus or S25 with any carrier.

Why Unlock Your AT&T Samsung Galaxy S25/S25+/S25 Ultra?

  • Boosts your phone’s trade-in value
  • Works with any carrier worldwide
  • Cuts down on roaming charges while traveling

Getting an unlock through AT&T isn’t always smooth. It can take time, come with restrictions, and even lead to extra costs. That’s where UnlockBoot steps in. Our method is legit, hassle-free, and doesn’t come with penalties.

With our unlock code, you won’t be tied to one network. There are no contracts, no hidden charges, and no risks. Your Galaxy 25 will be fully unlocked and ready for any carrier.

Steps to Permanently Unlock Your AT&T Samsung Galaxy S25, S25+ or S25 Ultra with a Code

1 Visit our website. Open a browser and go to our site. Navigate to the AT&T Samsung Galaxy S25 unlocking section: https://store.unlockboot.com/unlock-samsung-phone/

2 Enter your details. On the next page, review the unlock options, including cost and estimated processing time. You’ll also need to provide your IMEI number to proceed.

3 Find your IMEI. Dial #06# on your phone, or go to Settings > General > About to locate it. Enter this number on our website to start the process.

unlock AT&T S25 ultra

4 Choose a payment method. Select your preferred way to pay and complete checkout. You’ll be redirected to finalize the transaction.

5 Processing begins. Once we receive your payment, we’ll start unlocking your device. This usually takes 1-3 business days. You’ll receive an email with your unlock code and step-by-step instructions.

AT&T s25 unlock code

Once you receive the code, simply insert a non-AT&T SIM card and enter the unlock code, and your phone will be permanently unlocked. You’ll be free to use any network worldwide.

Unlock ANY AT&T S25 NOW

Why Unlock Your AT&T Samsung Galaxy S25 with UnlockBoot?

Unlocking your AT&T Galaxy S25 through UnlockBoot costs way less than what carriers charge. The process is simple, legit, and works every time. Just enter your IMEI, make the payment, and you’re good to go.

Your warranty stays safe, and you don’t have to step foot in a store. Everything happens from home, no tech skills needed.

If you ever get stuck, our support team is here to help.

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Stephan Popov
When iDevice users experience problems with the iOS software or unlocking, it is not uncommon for their lives to unravel. My passion is providing answers to your problems. I help iPhone, iPad and iPod Touch users by recommending fixes for common iOS bugs and tools that improves your experience. I conduct in-depth research for every topic i cover on this blog, to ensure that I cover everything Apple users need to troubleshoot their issues. When not writing for UnlockBoot, i enjoy swimming in my backyard pool. P.S. i prefers the Maldives for holidays. Connect with me on Facebook, Google Plus and Twitter.