If you've done everything in the help topics here then its likely your
N95 GPS is faulty, or you have a fake
N95.
EDIT: Hah! Crossed postings, seems like you got yourself sorted!
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N95 owner since April '07
Phone 'rig': Black Sony Xperia with 16GB MicroSDHC, Black N82 V20 firmware HACKED, Motorola S805 A2DP headset, Motorola S9 A2DP headset (for the gym), Nokia DT-22 tripod, Gorillapod, iGo Ultraslim Stowaway Bluetooth keyboard. . . baw-chica-baw-baw. . .
Check out my
blog!