2g ok; hsdpa ok; 3g ko

[ildo]

Hi, my tytn II are crasy, i can connect to internet in 2g an hsdpa but in 3g it´s impossibel, and is very intabel the signal, normaly it goes from 3g to 0 of signal. i´m using schap´s 4.21 radio 1.27.12.17 and protocol version 22.45.88.07H.
Any idea? How can i see if is an hardware or software problem?
Thnk´s

[vacsed]

Software problem. Many of us are waiting for HTC to finally release a decent radio ROM with stable 3G support.