Root how to back up your firmware?

[nero29]

hi guys this is my first android phone galaxy mini.
i just want to ask if you guys know a method, how to fully backup your firmware. just incase i want to roll back after i upgrade to gingerbread?
im from the philippine btw. and ive already search samfirmware.com and couldnt find : S5570DXKB1
hope someone can answer my question

 

[nero29]

up up up up up

 

[nero29]

up up up please answer my question

 

[johnnyflex]

im from PH too. am using Galaxy mini and thats my Basebrand now, if you want to have that just use the Kies and update your firmware. it will update your firmware to that one that you are looking for.