hi all, thank for read this issue
I bought rb1200, this rb1200 have mikrotik ver 6.0beta2(withot hostpot package), I dig try to update downloading the correct package from http://www.mikrotik.com/download, ppc option.
I did unpack the zip file and copy to option file in RB using winbox, and after reboot the RB, but not update, continue with 6.0beta2 version.

I did try to downgrade, usinv 5.26 version without good result.

some one can help me to updated firmeware in my rb1200

thanks