The mute button on a cell phone simply means that when you press that button, you can hear the person you are talking to but they cannot hear you.
could be a dirty or defective earphone jack. sometimes when you plug it in, it will mute your phone.
unplug it
*6
You will have to put the phone on silent
Not possible - such a device would have to be physically connected to the handset in order to control internal functions such as ringer on/off or volume.
what is an unlocked cell phone
I am pretty sure you just push then arrow button on the side that's pointing up to turn up your volume. If that doesn't work, I'm not sure.
You will need another AT&T cell phone are a compatible GSM cell phone.
You cannot I monitor another cell phone without targetting that cell phone to monitor the phone.
You cannot make a cell phone microscope. A cell phone is for talking and to text.
it may be because your phone is on mute and you have alot of missed calls.
Go to your local phone service store in your town. Ask them if you can get a cell phone card for your cell phone. They should be able to answer your question.