problems in xperia x10 mini E10i

[Marinoumpa]

I have from Christmas xperia x10 mini and it was working very good, when I upload my software start to close and open all the time and do some unormal things, before 3 months my SMS stop coming when i put my Sim to another phone the SMS comes and from the start that I took the phone it wasn't connected to the internet with MB... Can you help me PLEASE?

[Alexander1]

I suggest that you check how much memory that is available in your phone. Go to settings > SD card and phone storage > check under phone storage. 

If you have less then 20 MB memory available I suggest that you uninstall some apps or remove some MMS messages to free some space on the phone.