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Solution:
Battery life is mostly affected by 1. Signal strength, 2. Radio usage and 3.
Screen brightness/screen timeout time.
1. Low signal strength will result in lower battery life.
2. Using your devices radio for calling and internet for long periods of time will result in
lower battery life.
3. Having your screen brightness at maximum and having your screen timeout for more
than one minute will result in lower battery life.
To put it simply, you have to get rid of anything that's eating up your battery
unnecessarily. In most cases, this will be Wi-Fi (enabled and not used), GPS, and a
number of unnecessary apps running in the background, screen brightness set to
maximum or ads from free apps and games for Android. You should also use some
battery app to manage apps or/and some
Android app killer.
If your battery is running flat and you cannot charge your phone, you should turn
Power Saver. In my IDROID, you can activate it by dragging the top part of the
screen down and then checking Power Saver (see the screenshots below).
2) PROBLEM: A small popup menu doesn't appear after holding the power
button
This is also one of the most often encountered Android problems. When you hold the
power button for a few seconds, a small Phone options menu (like the one on the
screenshot) will or, at least, should appear.
