please help complete noob needs help

[giraffe]

I've also got a W810 on Orange and i'd like to unlock it but keep the original Orange firmware. I don't want to debrand it.

My phone is R4ED001 and i've downloaded a vkp file for R4DB005 and a vkp file for R4EA031(i can't find one for R4ED001), will either of these be ok to sim unlock it if i just use it with setool2lite ..."MISC" files ... select vkp and "write script" or are these files incompatable with mine and do i have to do some other flashing prior to this ?