There is a generous 2 GB of internal flash storage which can be expanded further with help of the attached SD card slot. (goodereader.com)
Before proceeding with the update process, it is important that to check if there is enough free space in the handset's internal flash storage in order to temporarily keep the installation file. (androidheadlines.com)
It also has the normal standard 3G support along with WiFi, 4 GB of internal flash storage and 512 MB of on board RAM. (goodereader.com)