Easily Restart your iPhone

Traditionally, To turn iPhone completely off,
you need to press and hold the Sleep/Wake button for a few seconds until the red “slide to power off” slider appears, then slide the slider. Now you need to start your iphone again.

But now, Press and hold the Home button and the Sleep button to restart your iPhone. A white light will flash, the screen will shut off and then turn back on! That easy!
Keep holding until the screen turns back on.

iphone sleep button for voicemail

Note: When iPhone is off, incoming calls go straight to voicemail.

Enter a secret menu

On the main screen type *#92702689# (*#WAR0ANTY#)

It will take you to a secret menu where you may find some of the
information below:

1. Displays Serial Number.

2. Displays the Month and Year of Manufacture

3. Displays (if there) the date when the phone was purchased (MMYY)

4. Displays the date of the last repair – if found (0000)

5. Shows life timer of phone (time spent on calling/receiving phone calls)