OK, how to delete a text is so not obvious. For all the things you've wondered about your iPhone but were too afraid to ask, we're here for you. iOS newbie, we will turn you into a mobile-device pro in no time. Scroll down for answers to your not-so-stupid iPhone questions.
Source: Getty / Vincenzo Lombardo 
How do I find my own phone number?
Open the Phone app, go to Contacts, and scroll all the way up to the top. That's where your phone number is!
How do I delete text messages?
In a text message thread, press and hold your thumb on an individual text. A black menu bubble will pop up. Press "More . . . ," and you'll then be able to select one or more texts. Tap the trash can at the bottom left when you're ready to delete.
What is HDR?
HDR stands for "high dynamic range," and enabling it will give you brighter, sharper, and more well-lit images. Tap "HDR On" at the top of the screen in camera view. There are a few dos and don'ts , but for the most part, HDR will give you the best picture possible.
It essentially takes a series of images, each shot with a different exposure from darkest to lightest. HDR combines the best parts of the three overexposed, underexposed, and balanced shots to create a dramatic image with beautiful shadowing and highlights.
How do I get emojis on my phone?
Open the Settings app, and then select General. Scroll down to Keyboard, and tap where it says Keyboards. Then Add New Keyboard, and select Emoji.
Now when you're sending an email or texting, tap the little world icon on the bottom left of your keyboard (left of the spacebar) to access emoji icons. Voilà! Now try your hand at these unexpected uses for emojis .
How do I turn off notifications?
Turning off all notifications is a bit painful in iOS 7, Apple's most current operating system, which the iPhone 5 uses. Open the Settings app, and select Notification Center. Scroll down, and you'll see a list of apps. Select each individual app, and select Alert Style None, slide to disable Show in Notification Center, and slide to disable Show on Lock Screen. You'll need to repeat this for each app.
How do I change my wallpaper background?
Open the Settings app, and select Wallpapers & Brightness. Then tap Choose a New Wallpaper to change your background. We've already rounded up a bunch of free iPhone-sized wallpapers  for your convenience!
How do I write in all caps?
When the keyboard is open, double tap the shift key to turn it into the caps lock key. YOU'RE WELCOME.
How do I put my apps into folders?
From the home screen, press and hold down any app icon. To create a folder, drag that app icon over another app icon. This will create a folder that can be renamed. It's an easy way to loop multiple apps into one category. Some of our readers have awesome folders .
How do I see when each text was sent?
In a text message thread, swipe your finger to the left — anywhere on the screen — to see timestamps for each text on the right.
How do I get to Siri?
Press and hold the home button to get Siri. You can also press down on the middle part of the Apple EarPods remote if you're in a situation that requires hands-free action, like driving. There are lots of useful things  you can ask her.
Ready to take on something more advanced? Check out our behemoth of iOS 7 tips and tricks here !