Im having big issues with the latest E4 firmware. I want to downgrade to the previous version. The deco webpage says my DECO CPU's are 100% at all times. Im getting ping spikes every 30 seconds on all

I am having serious problems while playing COD on the newest deco firmware. There are constant ping spikes (about every 20 seconds). Its impossible to play. I have now plugged my Ethernet back into my