Hey guys no need freak out ... the feature HSDPA is a 3G feature supporting 384kbps uplik and 7.2mbps downlink access, ofcourse it dependa on the network provider as well.......
HSDPA which stands for High Speed Downlink Packet Access is a 3g technology evolved from its predecessor HSPA (High Speed Packet Access)
U guys freaked me out when u "declared" that tattoo does not support 3g. Maybe the htc guys don't even know what thwy r dealing with.
Refer following wikipedia link for more details .... do not forget to see the lists and categories of tech at the bottom of page ..... then u'll surely know that u didj't make a mistake buying tattoo....
High-Speed Downlink Packet Access - Wikipedia, the free encyclopedia
"High-Speed Downlink Packet Access ( HSDPA) is an enhanced 3G (third generation) mobile telephony communications protocol in the........."