File Copy for Creating Backup in ANDROID phone

• *#*#273283*255*663282*#*#*

This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.
 

End Call/Power in ANDROID phone

• *#*#7594#*#*

This one is my favourite one. This code can be used to change the "End Call / Power" button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off.
You can change this action using this code. You can enable direct power off on this button so you don't need to waste your time in selecting the option.
 

File Copy for Creating Backup

Phone Camera Update

• *#*#34971539#*#*

This code is used to get information about phone camera. It shows following 4 menus:

• Update camera firmware in image (Don't try this option)
• Update camera firmware in SD card
• Get camera firmware version
• Get firmware update count

Format Android Phone

• *2767*3855#

 
Think before you give this code. This code is used for factory format. It'll 

remove all files and settings including the internal memory storage. It'll also 

reinstall the phone firmware.
 
Note: Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.
 

Factory data reset in ANDRIOID phone

This code can be used for a factory data reset. It'll remove following things:

• Google account settings stored in your phone
• System and application data and settings
• Downloaded applications

It'll NOT remove:

• Current system software and bundled application
• SD card files e.g. photos, music files, etc.

Complete Information About your ANDROID phone

• *#*#4636#*#*

Just dial this code it can be used to get some interesting information about your 

phone and battery. It shows following 4 menus on screen:

• Phone information
• Battery information
• Battery history
• Usage statistics

Hide Recent Files from Your Jump Lists IN WINDOWS8

2. Hide Recent Files from Your Jump Lists

Jump Lists were a great addition in Windows 7 that helped boost your 

productivity, but their "Recent Items" feature were a possible privacy 

concern—say, if there were documents or files you didn't want others to know 

you had viewed. Windows 8 lets you customize Jump Lists more than Windows 7, 

giving you the option to hide recently opened items and recently opened 

programs. To access the preferences, just right-click on the Taskbar, go to 

Properties, and click the Jump Lists tab.

Tweak the Number of Rows on the Start Screen IN WINDOWS 8

Expand

By default, the Start screen fills your monitor up with as many rows of tiles as it

can fit, up to 6 rows. If you'd like to lower that number—maybe you have a

particularly cool background, or your groups just aren't that big—you can tweak 

this number by editing the Registry. Unfortunately, this doesn't seem to let you

pack more tiles onto smaller monitors, but it's a cool little tweak if you want to

give your Start screen a more minimal look.

Run Automatic Maintenance on a Schedule IN WINDOWS 8

Windows 8 has a new feature that runs automatic maintenance tasks like

software updates, security scanning, and other diagnostic tests daily. By default,

it runs them at 3AM, of if you're using your computer, the next time your

computer becomes idle. You can change this time in the Action Center, as well as

tell Windows whether you want to wake your computer up to perform these

tasks. You can also perform the maintenance manually from the Action Center, if

you desire.

Find your applications IN WINDOWS 8

The Win+X menu is useful, but no substitute for the old Start menu as it doesn't

provide access to your applications. To find this, hold down the Windows key

and press Q or either right-click an empty part of the Start screen or swipe your

finger up from the bottom of the screen and select 'All Apps' to reveal a

scrolling

list of all your installed applications. Browse the various tiles to find what you

need and click the relevant app to launch it.

Open from the lock screen

Windows 8 opens on its lock screen, which looks pretty but unfortunately

displays no clues about what to do next.

It's all very straightforward, though. Just tap the space bar, spin the mouse

wheel or swipe upwards on a touch screen to reveal a regular login screen with

the user name you created during installation. Enter your password to begin.

Group apps IN WIDOWS 8

The Start screen apps are initially displayed in a fairly random order, but if

you'd prefer a more organised life then it's easy to sort them into custom groups.
 
You might drag People, Mail, Messaging and Calendar over to the left-hand side,

for instance, to form a separate 'People' group. Click the 'minus' icon in the

bottom right corner of the screen to zoom out and you'll now find you can drag

and drop the new group (or any of the others) around as a block.


Right-click within the block (while still zoomed out) and you'll also be able to

give the group a name, which - if you go on to add another 20 or 30 apps to your

Start screen - will make it much easier to find the tools you need.