My phone just randomly did this (iPhone 4s)?

Ok while I put my phone down and 2 minutes later I picked it up and it had a notification saying "sim failed" and now in the top conner it says "SOS only". It is not a new SIM card. It is a pre paid sim.

How to get unlimited skips on spotify?

How can I have unlimited skips on my iphone go spotify. I can only skip about 5 times and I can't choose which song I wish to listen too, is there a way around this.

I need a cheap/free iPhone. How?

I lost my iPhone and I'm struggling without, i need another from and iPhone 4s pup how can i get a super cheap one in good nic?

My iphone 4s won't send texts?

Last night my phone was fine but this morning it would not let me send texts but i can receive them and imessage works just fine any help in this matter would be greatly appreciated and thanks in advance

How to restrict all my apps from using celluar data? IPhone 5c?

I know that you go to celluar data and turn it off on apps but all my apps don't show up so how do I? My boyfriends dad took me out this phone and I don't wanna go over. I had a 4S before but where I'm on with him now I'm more concerned! And if I turn off my phone some apps disappeared and dad the use celluar data thing on again!

Is it still worth buying an iPhone 5C?

Is the 5C a future proof device?
I don't feel going for the 5S.
Also, waiting for the next iPhone won't be for me because of the rumors of a bigger screen. I'm not a fan of big screens. I'm a fan of a compact but snappy device.

Why is my iPhone not notifying me as soon as I receive a message?

I'm not good at explaining but what I mean is like sometimes I get a text and it says it's been received like 35 minutes ago but it's only just come through on my phone… Anyone know why or what I can do to stop it? It doesn't happen all the time but it's been happening quite a bit the past few days and I'm not sure why but it's annoying because people think I'm ignoring them or they worry!