hello:

i have k610i that i can flash to w660. i must, if i want my phone to work properly, firmware that support gsm 850 and umts 2100.

can anyone tell me please which firmware to k610 or w660 i have to download that support gsm 850 and umts 2100?

or .....someone maybe can tell me which file is responsible for the gsm setting?

1. firmware?
2. fs files?
3. cad files?

maybe i will be able to continue from there alon.....

or.....can i flash k610 with w710 firmware? they are both db2020.....

thanks again for any help.....