My bookmarks on my iPhone have disappeared.

[Oodsigma]

I had them earlier but now they've all gone and I have history/ reading list/iCloud tabs.

I can't save new ones either.

Try turning it off for a few minutes. Works fine on mine when I do that.

My mum had this on her iPad last week. I turned it off and on and they reappeared. I wonder whether it is an ios6 thing as my iPad has been fine (am on ios5 as own first version of iPad).

Yay. Didn't work earlier but you prompted me to try again.

It's a bit weird tonight , lost my calendar at tea time but it came back by itself.

I'm on ios6. Only upgraded this week as I wanted to do it when I could phone the helpline if anything went wrong that might explain the niggles.

Mine has done this since last upgrade, very annoying.