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A T‑Mobile SIM card connects your device to the T‑Mobile network. Insert this SIM into your new phone and start enjoying all the benefits of our unlimited plans.
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The SIM stores your account information and connects your device to the T‑Mobile network. Your phone may have two options for SIM cards, a digital eSIM or a Physical SIM card. Please select one of the following to continue bringing your own device. To select a digital eSIM, please check your device compatibility below by entering your IMEI number.
Starting at $0
The SIM stores your account information and connects your device to the T‑Mobile network.
Shop for SIM cards for as low as $0 today.
The SIM stores your account information and connects your device to the T‑Mobile network.
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Plus $35 $0 Device Connection Charge
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You can purchase a maximum of 5 lines in a single transaction.
You can purchase a maximum of 5 lines in a single transaction.
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You’re protected
Good news! Your current title plan will transfer to your new device.
You’re protected
Good news! Your new phone will be protected. Your title plan will transfer to your new device.
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73% of people have cracked the front screen of their phone
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You updated your protection plan to cover another device which has resulted in a price change.
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Sleep smarter. Live better. Sleep smarter. Live better.
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Key features
438 x 438 pixels
1.34'', 327ppi, Sapphire Crystal Glass Display
2.7 Hours Talk Time
2.7 Days Standby Time
Other features
- Advanced Sleep Coaching
- Running Coach
- New Design
- Personal AI Assistant
- Improved UX
- Improved Battery Life
- Energy Score
Your Watch8 works around the clock because a healthy lifestyle starts with healthy sleep. Advanced Sleep Tracking doesn’t just log hours, but it also takes a closer look at everything that happened while you snoozed. Wake up feeling lethargic? Get a full report on your sleep behavior, environment and disruptions, such as snoring.1 And when it’s time to get back on your feet for a new day and a new workout, you’re equipped with the insights you need to stay motivated with Energy Score. Need to multitask during your workout? Simply raise your wrist and speak naturally to send a text to meet up with a friend later, set a timer for your next mile or pull up your past run times.2
Watch8 is powerful and features an improved battery3 built to keep up with your longest bike rides without weighing you down. Thanks to a thinner, lighter body and dynamic strap system that molds to your wrist, you’ll almost forget your Watch is there as it tracks even the most intense workouts. Plus, the bright screen is visible even when you have to hit the trail in full sun.
Galaxy Watch8 is more than a watch — it’s a health coach and tracker that fits your wrist and your lifestyle.
1Phone must be within two feet of user with snore detection enabled through compatible Samsung Health app.
2Must have gesture settings enabled, be signed into your Samsung and Google accounts, and be connected to the internet directly (by
Galaxy Watch8 40MM Quick Facts
- When was the Samsung Galaxy Watch8 40MM be released? The Galaxy Watch8 40MM was released on July 25th, 2025.
- What colors are available for the Samsung Galaxy Watch8 40MM? The Galaxy Watch8 40MM is available in two colors: Silver or Graphite.*
- What storage size options are available for the Galaxy Watch8 40MM? The Galaxy Watch8 40MM has one memory storage size: 32GB.
What’s in the box
- Samsung Galaxy Watch8 40MM
- Charging Dock
- Quick Start Guide
- Terms and Conditions
Additional spec details
Key features
438 x 438 pixels
1.34'', 327ppi, Sapphire Crystal Glass Display
2.7 Hours Talk Time
2.7 Days Standby Time
Other features
- Advanced Sleep Coaching
- Running Coach
- New Design
- Personal AI Assistant
- Improved UX
- Improved Battery Life
- Energy Score
Your Watch8 works around the clock because a healthy lifestyle starts with healthy sleep. Advanced Sleep Tracking doesn’t just log hours, but it also takes a closer look at everything that happened while you snoozed. Wake up feeling lethargic? Get a full report on your sleep behavior, environment and disruptions, such as snoring.1 And when it’s time to get back on your feet for a new day and a new workout, you’re equipped with the insights you need to stay motivated with Energy Score. Need to multitask during your workout? Simply raise your wrist and speak naturally to send a text to meet up with a friend later, set a timer for your next mile or pull up your past run times.2
Watch8 is powerful and features an improved battery3 built to keep up with your longest bike rides without weighing you down. Thanks to a thinner, lighter body and dynamic strap system that molds to your wrist, you’ll almost forget your Watch is there as it tracks even the most intense workouts. Plus, the bright screen is visible even when you have to hit the trail in full sun.
Galaxy Watch8 is more than a watch — it’s a health coach and tracker that fits your wrist and your lifestyle.
1Phone must be within two feet of user with snore detection enabled through compatible Samsung Health app.
2Must have gesture settings enabled, be signed into your Samsung and Google accounts, and be connected to the internet directly (by
Galaxy Watch8 40MM Quick Facts
- When was the Samsung Galaxy Watch8 40MM be released? The Galaxy Watch8 40MM was released on July 25th, 2025.
- What colors are available for the Samsung Galaxy Watch8 40MM? The Galaxy Watch8 40MM is available in two colors: Silver or Graphite.*
- What storage size options are available for the Galaxy Watch8 40MM? The Galaxy Watch8 40MM has one memory storage size: 32GB.
What’s in the box
- Samsung Galaxy Watch8 40MM
- Charging Dock
- Quick Start Guide
- Terms and Conditions