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I lately bought the Samsung Chat 335. When you start the phone for the first time, you receive a few messages with configurations for mobile internet etc. Whenever I try to install the mobile internet it says: "invalid network-PIN". What's wrong with it?
HI, to get back and have access to multimedia messages, you will need to contact the service provider of the network you are using. They will be of assistance to you on how to get the multimedia message sending work again.
itsc hance if ud ask me coz..."network busy" message appears only when there is a problem with your network..there is nothing wrong with ur phone..it wud work perfectly fine..try inserting the sim card and refreshing it..if this problem prolongs..ten try caling ur network provider...coz they r the problem and not ur phone..All the best
I have the same problem... A640 cannot go on mobile browser or upload pictures... at all, have been trying for 9 months now and hasn't worked once. I've reset more times and in more ways than i can count.