Product Support

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HTC S621

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Power and Battery

Why won't my device power on? more
Your battery may be drained or is not seated correctly. Remove the battery and inspect the contacts. Remove any debris/residue found on the device or battery contacts with a soft, dry cloth. Try charging the device (try different power sources as well as chargers):
Plug the charger into the power source and device; what color is the LED?
You will see an Amber LED on the device if it is charging however, If the battery is completely drained, the LED will be Red for a few minutes and then turn Orange. Once the LED turns Orange that the device can then be powered on. If LED doesn't light up when charger is plugged in (both the device and power source), Power the device off and back on while still connected to the charger and power source.
My Battery doesn’t stay charged for very long. What can I do to preserve power? more
There are a few settings that you can change on your device that will preserve battery life. Turn off accessories that you are not actively using such as Bluetooth and WLAN/Wi-Fi (which can be disabled in the Wireless Manager on your device). Lower the settings for your Backlight by going to Start>More>Settings>More>Power Management. Turn off any unnecessary audible notifications (email, SMS, etc.)
How long should it take to charge my battery? more
Your battery can take up to 3 hours to fully charge using the AC charger. It will take much longer using the USB as that is the trickle charge function.
Why does it take so long to charge my device using USB? more
The USB cable acts as a trickle charger so it will take longer than if you were using an AC charger. While the USB will work, it is recommended to use the AC charger, especially if the battery level reaches 10% or below.