I've had an iPhone since the days of the iPhone 3G so I've seen the OS evolve through the years but there are some parts that Apple just can't seem resolve. What is your number one annoyance in iOS? Just one issue per person...not a list. Mine is the "Network Lost" warning. It irritates me silly and causes a lot of usability issues. iOS has had this issue since the very early days and Apple can't seem to fix this very simple issue. Even though the problem is identical in iOS7, i've added an early iOS screenshot just to prove how long its been around for. So why might you ask is this annoying? I live on the coast and my phone can easily catch on to a roaming signal across the strait of Gibraltar. It can also latch onto a mobile network in Gibraltar and the result is a huge bill. So the solution is simple. I simply turn off auto carrier selection and manually select mine. The problem is the service can disappear from time to time and I'm ok with that....but my iPhone seems to want to tell me this all the time. It has a knock-on effect: - Blocks apps I'm using until the message is dismissed - Turns on my phone from standby wasting battery - Gets in the way from what I want to see (Sat nav / messages / music, etc...) - Stops movies which is annoying as hell when on airplay or watching something. My solution....show the warning once and give the user the option to ignore further warnings. Simply put I don't want to know!!!!!! That's my annoying feature and rant out of the way. What's yours?