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.
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
There is no way to do that. If you jailbreak your iPhone there is an app on Cydia that does that.
How to lock the orientation on the iPhone 3GS with iOS 4We show you how to lock the orientation on your iPhone 3GS running iOS 4 to prevent accidental rotationsEnabling rotation lock on the iPhone 3GSPublished on Jul 6, 2010The iPhone 3GS running iOS 4 can automatically switch between portrait and landscape orientations in many areas of the iOS interface.This can be tremendously useful. For example, many people find that viewing Web pages is better in portrait mode, but typing a URL into the address bar is much easier in landscape mode.There are many cases, however, when you'd rather have your iPhone stay in portrait mode even when it is tilted to the side. In these instances, you can easily lock your iPhone's orientation so it will no longer rotate.Follow these simple steps to lock the orientation of your iPhone 3GS:From any screen, double-tap the home buttonScroll as far left as you can on the multitasking dockThe first symbol to the left will be a circular arrowSelect this to either lock or unlock the orientation of your iPhone 3GSThat's it!
No it shouldn't, unless you have your lock set to come on after a restart.
jailbreak and download androidlockxt
Yes, by plugging the iphone into your computer and updating the software on it using itunes.
If you bought an iPhone 5s from eBay and it is locked with a fingerprint lock, it will not be possible to unlock it if you do not have the Apple account.
If the rotation is locked, unlock it! Otherwise send it to Apple for repairing.
you press the black button on the left size of the phone. it has a picture of a lock on it.