This article is outdated. We have already published a full review.
The battery inside is a 2300 Li-Po unit and is embedded in the device, meaning it cannot be user replaced.
HTC has gone with a two-button layout with the One. Under the display on both sides of the HTC logo there are now a back and home buttons - gone is the usual task switcher key.
You can access the recent apps by performing a double tap on the home button, a long press will take you to Google Now, while pressing the back button does as advertised. The task manager is activated by a long press on the back button.
On the right side of the phone you get a prolonged rectangular volume rocker with a brushed surface. The power button, located on the top of the phone, doubles as an IR sensor. There will be a TV app that will let you set up the HTC One as an extremely expensive remote control.
The power button with IR control
Above and under the display we find two loudspeaker grilles. HTC says that each loudspeaker has been assigned an amplifier of its own to reduce distortion. HTC's BoomSound technology is behind the stereo speakers and they really do deliver incredibly loud sound.
The loudspeakers on the HTC One
We haven't got the chance to get all scientific with them yet but the HTC One loudspeakers should output around 93 dB sound, which is more than any smartphone we've tested here in the office. The headphones sound experience benefits from the Beats Audio. Watching a movie or playing a game on the HTC One will be a really enjoyable experience compared to other smartphones.
We also got to check out some of the HTC One's accessories. Below you'll see a flip cover that moonlights as a docking station. Next there's a case that adds a little extra battery juice and the double charge accessory.
HTC has made a car AUX extension so you can connect the HTC One's sound to any car stereo with an AUX-in. The stereo headset looks really nice and features a microphone. and finally we come to the docking station, which can be adjusted depending on your taste.
And here's the leather pouch and the stereo headset.
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