Originally Posted by boc11
My phone is from Tmobile US but i am in Europe
I am on viper 3.1.3
radio + wcnss + adsp
I only get EDGE...
which radio i need for HSDPA ?
Only when my phone was stock tmobile firmware i was able to have HSDPA, now only edge on maximus, viper or CM.
You might try also THIS
radio. Also some build.prop edits to have HSPA/HSPA+ working. It was reported that those lines solves the issue on many T-Mobile users
You could check THIS
thread, there's a user having a similar issue that was solved by the build.prop edits