no incoming ring tone.all possible activation done.
outgoing call is received but no voice.
no sound on screen tap or any other setting.
was working ok till now
uses 2gb memory storage card
virus?
-   exactly the same problem all the sudden speaker has stopped working, but works through headphone piece?, so new speaker perhaps?
-   yatrikwines
I dissambled my iMate JAMin and found that one of the wires for the speaker had been broken, they seem to be pretty weak - resoldered the wire now speaker works fine.