My Cloud losing connection after firmware update!

After staying on fw 3.x for the last year without any issues, i finally caved in and I upgrade my 3TB two days ago as Fw4.x gives atleast %30 faster data speeds and i can confrm that part.

But today in the morning i noticed that i could not access my data on the drive. I could ping the IP but i could not access the samba share or even ssh to the drive.

I’m an advanced user. I use dhcp on the drive side my router assigns a static IP to the drive based on MAC.

I also dont use any of the media features of the drive, Twonky, Itunes servers are permanently disabled.

I have no USB drives attched to the WD My cloud. I strictly use it for windows samba only.

I had to power cycle the drive to get access back to my data. Does anyonle still have these issues with the latest firmware?