Do not update to the latest firmwa3.1.3 if you wish you jailbreak/unlock your phone
Thanks to forum member iPhonephreak for giving heads up to NOT update the just released 3.1.3 FW.
Here's what the Dev Team have to say from their webpage:
WARNING! At 10.30AM PST on February 2nd 2010 Apple released the 3.1.3 version (7E18) of the iPhoneOS.
If you care about your jailbreak and unlock, donít update your device - 3G and 3G(S) owners should pay particular attention to this warning.
- PwnageTool and redsn0w are not yet compatible with 3.1.3
- There is no estimated release time for compatible tools (please donít bug us about this).
- Any information we have regarding this update will be posted here.
- You can also follow us on twitter - @iphone_dev