searching a bios update for samsung NP355V5C-S03FR

Is there a bios update or possibility to unlock my bios with a samsung NP355V5C ?
I want then to access more options in bios like RAM timings and frequency, manually switch dual graphics...

processor : AMD A10-4600M APU. iGPU : 7660G, dGPU 7670m

motherboard model : Samsung NP355V5C-S03FR
serial : 123490EN400015
north bridge : AMD A55/A60M FCH revision 00
south bridge :AMD A55/A60M revision 11

My bios version is P09AAN by AMI
serial number of bios : HTU698FC7A39EV
firmware : 9.0
date : 04-07-2013

I hope you can help me.
ps: sorry for my english