Nokia Double one Double Zero(1100) is the first thing that comes in picture when you talk anywhere, at anytime with anyone about Battery Backup. Isn’t it?
Except that it doesn’t support smart features(though it is required these days), this is the best phone anyone can use it.
These days smart phones are having less backup facility. So, whenever you are going for long journeys, we need to have a phone like this. Atleast to keep in touch on phone without family or friends. I used to have one, but someone has stolen it.:(