Radio Upgrade

[yosidia]

Hi,

i have new polaris and i see here alot of talking about radio upgrade.

can someone explain to me if it is recomended to upgrade the radio version ?

what are the benefits ?
which radio version is the best ?

and last one, can i backup my (The original) radio version ?:)

10X ahed

Jo

[fktsndr]

http://forum.xda-developers.com/showthread.php?t=388823
http://forum.xda-developers.com/showthread.php?t=379599
http://forum.xda-developers.com/showthread.php?t=382540
http://forum.xda-developers.com/showthread.php?t=386281
http://forum.xda-developers.com/showthread.php?t=389601

Different people say different things, maybe these post help you decide...