I think you could update the radio by booting a modified recovery image via adb commands and flashing it that way i.e. gaining temporary root. I've never tried it though, and it depends on your device ROM using the original bootloader with the 'flaw' that allows this.
The specific radio ROM for your handset depends initially on your device ROM. The two work hand-in-hand, and a radio that gives improved performance with one network won't necessarily show the same improvement on another due to differences in the carrier-specific device ROMs. It's definitely a good idea to do some research beforehand and make sure that other users on your particular network are seeing positive results.
Understandably. If you're having reception problems I'd recommend trying to resolve them with your provider first, rather than installing an unofficial update that will give them a golden opportunity to void your warranty.
I dont have reception problems per say but in areas where my old nokia has fair signal strength the hero often only displays 1 or 2 of 4 bars and even though i am able to make and receive calls without any trouble i find it a bit troublesome that it has so poor reception ... If it is not just the signal strength indicator that is off..
Who makes the radio updates ? I mean, it cannot be google / htc because then they would have included these updates in their rom updates would they not ?
Hmadsen
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