Share your experience!
I have a Sony Xperia Act (ST 17), I bought a new SD card with more memory, this works fine as it is to not try to store data larger than the capacity on orginal SD card to the phone thus 2 GB Phone and reports that the card can not connect, SD does not work after reboot. You can set the phone to know to work with larger capacity SD card of 2 GB (for this model is indicated by the maximum capacity of SD 32 GB.
The card is fine and the PC on it without problems zapýšem significantly more data than 2 gigabytes.
I suggest that you format the SD card. You can do this from the phone if go to settings > storage > erase SD card. You can also do it using a PC. Just right click on the SD card and select to format the SD card.