Android phones, apps and tablets

have been trying to update the software on my galaxy s3..when i try to do it it gives me the message ... "access to software update service is provided to users in the order in which they request it. try later"..its been 2 days.
Any ideas what the problem is..do i just need to wait?

tks
mus

Same for me.

However using Samsung Kies is faster and more reliable than OTA updates.

Downloading the new firmfare at the moment.