My sim card won't work in my iPhone? I cut it to micro sim?

I've just cut my sim card into a micro sim, Placed it into my iPhone 4s and it states there no sim card in there, They phone was recently unlocked by Telstra and i know it's unlocked because i got a conformation message on iTunes.

I would have thought i cut it too small though that same sim card works in my Samsung Galaxy s2 Perfectly? What's the problem and why isn't it working with my iPhone?

Iphone shows charging symbol in red but do not turns on?

Hye i have an iphone 3g bought it used from someone 1 month ago and now its charging but not turning on… I have left it charging all night but nothing happen… Tried different cable but nothing happen… I have performed a hard reset also nothing happen… What should i do please help

My iPhone 4 doesn't vibrate when receiving texts?

So my iPhone 4 doesn't vibrate when I receive texts. It vibrates for all my other notifications (Facebook, etc.) and when I get calls. So the switch is on. I also did the trick where I have a set tone for texts. I'm running iOS 6. But it did the same thing when I had iOS 5 so that can't be it.

What is the difference between iPhone 4S ATT and Sprint?

I have Sprint iPhone 4S the unlimited plan. I'm paying $84 for one line.Am I getting ripped off, i don't know. Its the not the same for ATT but I have 3G. What's The difference of Sprint and AT&T in my situation for what I'm paying.

Display recorder app for iPhone 4s?

I watch pocket legend videos on YouTube, & seems like their recording what goes on, on their screen. I want to record my pocket legend game, are there any apps that let you record and display what you doing on the iPhone.