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Unihertz Atom XL review: Walkie-talkie meets smartphone

In a world where other manufacturers are competing to fit the largest displays possible into handheld devices, Unihertz has committed to going small, with a “less is more” approach. The Atom XL is the top-of-the-line rugged phone offering from Unihertz, and offers a noticeable bump to a 4-inch screen from the 2.45-inches of the original Atom. Maybe size really does matter, begging the question: is 4-inches enough? See more: The best rugged phones you can buy right now $339.99 Unihertz Atom XL Buy it Now Unihertz Atom XLBuy it Now $339.99 What you need to know about the Unihertz Atom XL Credit: Chase Bernath / Android Authority Unihertz Atom XL (6GB/128GB): $339.99/£274.99 The Atom XL is the latest rugged smartphone from Unihertz, surpassing the Atom L and original Atom. It is spec-for-spec the exact same phone as the Atom L, with the addition of an antenna for walkie-talkie functionality. Unihertz sent us a review model which we tested for five days running Android 10 with build Unihertz_Atom_XL_20200312 on top. Built for rugged work, the phone is IP68 water and dust-resistant. It also has a MIL-STD-810G rating for protection against shock, vibration, heat, cold, humidity, and more. The display is made from oleophobic Gorilla Glass 3, and the phone ships with two plastic screen protectors. Read more: Guide to MIL-STD-810G There is only one color and spec option available with...

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Apple, Fitbit, and other fitness trackers have biases you need to be aware of

Credit: Jimmy Westenberg / Android Authority The promise of fitness trackers, naturally, is quantizing and optimizing fitness. Some activity is always better than no activity, but getting the best results means figuring out how many calories and nutrients you’re consuming and learning how to perform harder, better, and faster. Before picking up a device from Fitbit, Samsung, or Polar, it’s important to be aware that all of the major trackers are biased towards cardio workouts. We should note that in this case, “bias” doesn’t imply that companies are being unfair or even necessarily intentional. Rather, trackers (and their Android and iPhone apps) are optimized for cardio first and foremost. Modes for activities like yoga and strength training are commonplace — but the value of fitness trackers is diminished for them. For our purposes, we’re further going to define cardio as workouts like running, walking, or cycling, and to a lesser extent, things like ellipticals, rowing machines, or battle ropes. While most workouts will make your heart beat faster, cardio makes that the primary goal. Fitness tracker issue #1: Motion sensors Credit: Jimmy Westenberg / Android Authority Barring a few chest straps and other exceptions, most trackers are equipped with gyroscopes. Comparing live data against expected patterns makes it possible to track repetitive movements, such as running and walking. A Fitbit, for example, calculates a wearer’s “steps” based on their...

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