Answers to some of your questions about signal strength
How do I know if my Coolpad Avail has a weak signal?
The signal in your notification bar only displays a few bars.
Why does my phone have a weak signal?
You may have weak signal if you are in an area with low coverage or if something is interfering with your signal.
How do I know if I'm in an area with coverage?
Refer to the Virgin Mobile coverage map to see if you're in an area with coverage.
What might interfere with my signal?
The most common cause of interference is the materials used in the construction of certain buildings and houses. To test this, try checking your signal while outside.