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KDDI
Coverage Map
See if
KDDI
offers good coverage and data speeds in your area.
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LTE and 5G Bands
See what LTE and 5G bands
KDDI
uses to provide coverage.
KDDI
LTE Bands Explained
Understand what LTE bands
KDDI
uses for coverage, how they use them, and which LTE bands are most important.
KDDI
5G Bands Explained
Understand what 5G bands
KDDI
uses for their network coverage, how they use them, and which 5G bands are most important.
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MVNOs
See the smaller carriers that use the
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network for coverage.
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Shop Unlocked Phones
An unlocked phone means it isn't tied to any carrier or contract. It's perfect to use with any plan you want.
Galaxy S21 Plus
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Galaxy S21 Ultra
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Galaxy S21
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iPhone 12 Mini
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iPhone 12 Pro Max
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Pixel 4a 5G
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iPhone 12
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iPhone 12 Pro
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Shop All Smartphones
KDDI
News
The latest news, deals, and updates in the world of cell phones.
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Cell Phone Plans by Network
Compare best plans based on the network they use for service. See the best Verizon plans, T-Mobile plans, and AT&T plans.
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Cell Phone Plans by User
See recommended plans for individuals, kids, seniors, international travelers, families, and more.
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Best Cheap Cell Phone Plans
Explore recommended plans for under $10, $20, $30, and $40, as well as the best cheap unlimited data plans.
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Compare the best 1GB, 3GB, 5GB, 10GB, and unlimited data plans.
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Family Cell Phone Plans
Discover the best plans for 2 lines, 3 lines, 4 lines, 5 lines, 6 lines, and even 10 lines on Verizon, AT&T, and T-Mobile.
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Cell Phone Plans by Feature
Compare the best that support 5G, VoLTE, Wi-Fi calling, mobile hotspot, MMS, and more.
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International eSIM Plans
Browse international data-only eSIM plans for staying connected when you travel abroad.
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