Don't-Miss Mobile World Congress Stories

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Confirmed: Google plans its own U.S. mobile service

But Google's Sundar Pichai says it doesn't intend to become a full-service cellular carrier, instead likening the service to its Nexus mobile devices.

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HTC's US President tells us why HTC Vive will be better than Oculus Rift

HTC promises that just because it's partnering up with Valve for this one device doesn't mean it's leaving Android behind.

Microsoft's Lumia 640XL is a Windows Phone phablet for the rest of us

The Lumia 640XL is big, but it has a comparatively small price tag.

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Silent Circle's privacy-focused Blackphone 2, Blackphone+ tablet target businesses

Alongside the Blackphone 2 secure smartphone and a tablet, the company is introducing a new enterprise conference-calling service

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Qualcomm's Snapdragon 820 will pack a silicon brain with cognitive computing abilities

The Snapdragon 820 chips will be for premium mobile devices, and test units will ship in the second half

Alcatel-Lucent's 'Wi-Fi boost' uses both Wi-Fi and cellular data for super-fast speeds

The company says it can tie the networks together using only software

Microsoft Lumia 640, 640XL coming in April

The LTE version of the Lumia 640 will cost 159 euros and the 640XL will cost 219 euros.

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ZTE's Grand S3 smartphone scans eyes for authentication

The biometric technology is used for access to the phone, but will be expanded to include apps, the company said.

Fujitsu's new way to unlock your phone

If you hate having to punch in a number or scan your finger when using your phone, now you can unlock it with just a glance.

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Sony's pixel-packed Xperia Z4 Tablet aims for mobile entertainment dominance

Sony's svelte, high-resolution Xperia Z4 Tablet is packed with features designed to make it the go-to slate for jamming tunes, watching videos, and even playing PlayStation games.

Intel hasn't forgotten about mobile

Intel CEO Brian Krzanich discussed chip updates and mobile security at Mobile World Congress 2015 in Barcelona.

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MediaTek wants to put its chips in Chromebooks

MediaTek's new Helio X10 processor could bring 64-bit ARM CPUs and 4K video to Chromebooks

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USB 3.1 flash drives? Don't expect them anytime soon

USB 3.1 may be too expensive to start with for flash drives, the USB Implementors Forum CTO says.

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Samsung's Galaxy S6: 3 things it gets right, and 3 things it gets wrong

An improved design is only part of the story.

Samsung S6 smartphone takes aim at Apple

The biggest change with the Galaxy S6 and the S6 edge is Samsung's choice of materials. The regular S6 trades the plastic of previous models for a metal frame and glass on the back.

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SanDisk new microSD card packs a whopping 200GB of storage

The card can hold around 20 hours of high-def video.

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Samsung to launch Samsung Pay mobile payments system in challenge to Google, Apple

The Android smartphone maker will launch Samsung Pay in the US in mid 2015

The Galaxy S6 and Galaxy S6 Edge are Samsung's most stylish phones ever

Samsung finally gives us a flagship phone with the materials and design we've been aching for.

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Hands-on with the Galaxy S6: Samsung reinvents its industrial design aesthetic

Finally, Samsung gives us what we’ve been waiting for. The Galaxy S6 is a glass-and-metal Android phone that looks and feels like a premium device.

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Samsung reveals 6th-gen Galaxy S6 and curved Galaxy S6 Edge

One is flat and one is curved, but both are resplendent in metal and glass, and both run Samsung's octa-core Exynos processor.