Upgrading i5700 spica from 1.5 to 2.1

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Hello !

I tried to upgrade i5700 Spica from 1.5 to 2.1 at an early stage, but I remember the Samsung software failed to recognize my Spica phone connected over USB port on Windows XP.

Maybe someone can point me to a topic, where the latest upgrade is explained, I will try to run the update from Windows Vista if it will work this time.

Another question is, do applications from 1.5 get rewritten when upgrading to 2.1 ?
So all changes are being lost ?

Regards,
Jan

First of all- use Odin, not KIES or NPCS.
When you flash 2.1 over 1.5 all data will be lost, although paid apps are connected with your google account and not phone.
Here is very good tutorial how to upgrade from 1.5 to 2.1