You can do cool things with Android device that most people don't know about

• These are useful hidden codes for your android phone:

*#*#‎778O#*#* >>> Factory Data Reset

*#*#‎I472365#*#* >>>Quick GPS Test

*#*#0673#*#* OR *#*#0289#*#* >>>Audio Test

*#*#2664#*#* = Touch Screen Test

#’#273283*255*663282*#*#* >>> Backup Media Files

*#*#232337#*# = Displays bluetooth Device Address

*#*#232339#*#* OR *#*#526#*#* >>>Wireless Lan Test

*#*# 1575#*#* >>> Different GPS Test

*#*#2663#*#*>>> Touch Screen Version

• Reboot to safe mode

if your phone is crashing, taking restart; all third party apps may be reason of this problem which prevent to phone for its normal operating. So if you are one of them with such situation you must try above mentioned ‘Reboot to safe mode’. This trick is very simple and you have to press sleep button or phone power button when  appears a screen with power off option on top, press that power off option for little time then you will find another screen similar just given above and you have to choose OK , thats enough. Your phone will go to reboot into safe mode and all third party apps will not appear when you will check in screen for installed apps.

Now your phone is with factory installed apps; and problem causing third party app can be uninstalled going to setting>>apps>>downloaded. Next time you restart your phone, your phone will be normal back; but you will not see any third party apps. Reboot in safe mode uninstalls all those apps, so you can take backup of those[third party] apps before restarting your phone again.

• You can download YouTube vedios with your android phone easily:

Many android apps promise with you for downloading youtube vedio but in real way they can’t, because play store don’t have such type apps and available apps are either paid. So here i want to suggest you to download a third party app[not available in Play store] yet. simply download that app from below given link. The best thing about this app; i find that it can provide you many available formats so you can download whatever suite to your need.

Tubemate

• Stop notifications which disturbs:

sometime you find that any or no. of notifications annoying you by appearing much more than you need them. These notifications not only kill your phone battery even increase load on phone RAM. So if  you want to kill these notification then catch that notification[ which troubles you ] by going in status area and tap that notification for little time; by tapping it will open a message>app info>uncheck show notification>ok.

• Boost your phone speed:

you may need to go to Build number and tap on it repeatedly until you see "You are now a developer!". Developer options are now enabled.

Under enabled Developer options, look for Window animation scale, Transition animation scale, and Animator duration scale. Then, turn them off (disable)