Originally Posted by X5Sport

Safari closing suddenly started in my case with the arrival of IOS 5. I have a 32GB/WiFi/3G version of the iPad1 and it does it randomly and very annoyingly and losing all the data too. Similar issue with going 'back' within the browser and finding it has actually loaded a version of the page from days ago rather than a few minutes/moments before.

I think most owners are still hoping IOS 5.1 fixes it, along with the excessive power use issue on some iPhone 4/4S models. 5.01 was supposed to sort the latter out and failed miserably.