Now doengrade from 2.30 to 2.28 easy as a pie
I just did it ... its easy as just a click
if you using 2.2.1 and baseband 2.30 .03 now here it is how to downgrade to 2.28.00 so you can unlock it
1. go to cydia
2. in the search bar type 3G
3. look for 3G Baseband downgrade
4. Install 3G baseband downgrade than just click go
thats all yeyyyyyyyyyyy you have done it
but remmber it will only work with 5.8 bootloaders not with 5.9
but i notice that it will still not catch up network while your 3G is on you will have to turn that off other than all good
TESTED by me and working 110%
Enjoy
iPhoneaholic
Thanks for posting the same information that's been available for over a week. It's already well-known that if you have the 5.8 (aka 5.08) bootloader, it's still possible to downgrade. Duh.
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