To lock your iPhone running iOS 10.2, simply press the Sleep/Wake button on the side of the device. This action will turn off the screen and lock the phone. Additionally, you can enable a passcode or Touch ID for added security by going to Settings > Touch ID & Passcode, where you can set up your preferred locking method.
By pressing the lock button on the top right of the iPhone.
You can't lock your iPhone apps without jailbreaking the phone.
Yes. If you update your iPhone's software using iTunes it will lock your iPhone again. You will then need to unlock it again.
The iPhone 2G.
Yes you can but it's not as polished as the iPhone's lock or an Android phone's lock screen. And if you meant does this phone have a "lock screen" when you put it to sleep like the iPhone, no it doesn't
Yes, you can buy international iPhone's version (a iPhone with out Internet) in eBay or amazon, some iPhone that sell outside U.S, is international iPhone' version. You can use it with any network that you like.
An iPhone 5 is the latest version of the iPhone. The iPhone 5 is the lightest and slimmest of all the iPhone models.
There is no way to do that. If you jailbreak your iPhone there is an app on Cydia that does that.
Just download the iPhone version. There is no native iPad version, but you can get the iPhone version and it should run just fine.
No it shouldn't, unless you have your lock set to come on after a restart.
The setting to make the screen flip on the iPhone 5 depends on what version of iOS you are using. If you are using iOS 7 or higher, simply swipe your screen up from the bottom and tap on the little lock icon.
The latest version of the Apple iPhone is the iPhone 4s. It is visually identical to other iPhone models but it is most advanced in terms of hardware and software.