Since 1.47.401.4 (and never before with 1.28.x), I'm experiencing issues with the radio, especially voice:
1/ I often get a "Limited Service" warning in places where I could easily get a decent signal to give a call.
2/ Each time I got the "Limited Service" warning, it can take ages before the signal gets back (after I moved to some other place).
3/ Sometimes, I need to reboot the terminal to get the voice signal back.
I did perform a full wipe (factory reset) on my phone and install the rom again (using the roms.zip method within the bootloader) but it didn't really solve this issue.
I also cleaned the sim card contacts, just in case, but this was useless.
I also chose "GSM auto (PRL)" in the phone settings, this helped a bit, but still this annoying issue remains.
If someone got a clue, I'm interested ! And if anyone is experiencing such weak/bad signal issue, I'm interested in your feedback.
Hboot: 098.002 S-ON
Radio: 20.28I.30.085 AU_3805.06.02.03_M