two iphones and ipad wont remember wifi password

[lewys]

everything else like my mac, xbox and ps3 remember it but my iphones and ipad wont. any idea what to do?

 

[slimfinity]

Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7)

I have that problem sometimes. Try unplugging your router for a minute then plug it back it. I do that and everything works fine again.