Just tried 1676 and still not working 
EDIT: I remember you said that Broadcom chips doesn't show anything in bug reports, so I wonder if you had any BCM21553 in your hands could be more useful?

EDIT: I remember you said that Broadcom chips doesn't show anything in bug reports, so I wonder if you had any BCM21553 in your hands could be more useful?
Galaxy Ace "i" S5830i (BCM21553)

