A member Anton Karmehed nick on a web page technology has discovered this bug and videos posted on this site for other members to discuss and also check for many people with this condition or not.
This error was the author describes as similar and more serious than the iphone 4 times before. 4 Iphone users with phone clutched in his hand will lose air. During this time with HTC Sensation, it also affects both Bluetooth and WiFi seriously.
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HTC Sensation fair to say that the waves are strong but the posture when using hand exposure to the effects of wave machine level quite well.
In their experiments, found that when Anton Karmehed palms face behind the phone and the fingers wrapped two sides, the waves that clearly weakened. Even just putting the phone on hand was enough to take the wave.
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Compare two pictures on the phone while holding clear the air thoaivoi a steady hand but with two hands while keeping the wave weakened immediately.
Posture of holding the phone has affected wave, WiFi, Bluetooth and 3G, but with WiFi and Bluetooth, the most affected. According to the experiment when surrounded hands on the phone, the waves only a level of 20-30 dBm-poor.
Another point to note is that the waves are affected in the standing posture is less than horizontal.
Of course the manufacturer has recommended that users choose the posture of holding the phone to get the best waves. But with the serious effects such as through experiments on the effects that the user can hardly be accepted.
It is argued that there can fix this by using the rear panels, as some have made successful Iphone4. When applied with success because they Iphone4 panels will prevent contact between the hand and the antenna. But with HTC Sensation is different, the hand was prevented from passing waves. In other words, waves can not penetrate the user’s palm. So if you have more pieces of tiles will make the situation worse.
Source:forum.thegioididong.com
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