Not Really drazoyu,
Firmware update formats the phone, you must use the 3 button technique only in worst case, it is like formatting a PC with WinXP using dos prompt.
YOU MUST NOT FORMAT THE PHONE AGAIN AFTER THE FIRMWARE UPGRADE. YOU CAN, THOUGH FORMAT THE HDD.
In any case, I am glad that your phone is working fine now.
I would, however, recommend that you keep an eye for the 2.10.xxx version.. it really has put a lot of problems to their places.
Cheers
Nokia 8800e-1 (ARTE), V 05.21, 30-11-2007, RM-233
Phones used: Nokia 3600, 6110, 6600, 8210, 8910i, 9500, N70, N91, 8800 SIROCCO
Sony Erricsson: K900, T610
Motorola, V3, L7