Battery won't stay charged

I have a Samsung II and all of a sudden the battery will not stay charged.  It's roughly a year and a half old but I've never had issues before.  When I charge I take it off as soon as the message comes up that it's fully charged so it doesn't ruin the battery but it is still giving me issues.

Also, any suggestions on what I can do to get better signal at my home?  We live in a very wooded area and reception is horrible inside the house, unless glued to our back door.

Labels (1)