your cards are not bios modded right?
i would put VDDCI to 800 and remove MVDD and MDPM and DPM. they are not needed.
i did let you know. Memory Controller Voltage (VDDCI) to 800.
Remove core State ( DPM state )
Remove Mem State ( MDPM )
Memory Voltage also because its for Navi cards , your cards are Polaris based.
Switch On Aggressive Undervolting.
You deleted the wrong setting dude. Core voltage is 850. You have put 0. Delete the 1350 memory coltage.
But still without bios mod i dont think you will achieve 30+.
what is the 835 setting? VDD? VDDCI? or MVDD?
These are mine and the only bios mod on here is one of the Sapphires I think. I know the top is original.
In your current settings you have 0/800/1350 0 is the vdd the core voltage which needs to be around 850. 800 is the memory controler voltage which is ok. 1350 you need to delete because your cards doesnt have it. Its for other cards.
The saphire ones are the best GPUs and they can do quite much usually without bios mod. But sometimes its needed.
I tried both with and without and it did not make much difference for some reason on mine. I see the Sapphires going up to 33-34 but I tried a lot of different settings and just settled on these. My favorites are just the MSI cards, I like them because they only use 1 power connector and do well for me.
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33-34 are way too pushed to the max. 31-32 is normal
You have to do it your self. Go to overclocking tab and hit the button download vbios. After downloading it you need to download polaris bios editor. Open the image file with the polaris bios editor and hit one click timings mod. Then save the file with different name , file should be named something.rom after that from the same tab in hiveos hit flash vbios and Select the file and card and hit flash. Start with OC settings 1150 core clock 850 core voltage, 800 memory controller voltage 2050 memory clock.
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Thanks!! I did it as you told me and I achieved 32Mh / s. Thanks again !! 
Post the OC settings. Lets see how it runs. Temps and watts
Ref should be 20 usually for samsung memory. The temp is high. Is the card new? It might need cleaning. Also why dont you try with core clock 1150. You will loose just a little mhs but temp and watts should become lower. Put also in the OC settings the VDDCI 800 ( memory controler voltage ). You can switch on also the aggressive undervolting option.
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