how to unlock an android device without knowing the code

My friends do put password on their phone and i will put my memory card and unlock it safely without touching any of their data or deleting anything on the phone, this always amuse my friends and they always beg me to teach them.  There are many cheat to get this done but most of it do wipe off the phone data but today am dropping the best 4 methods to bypass any phone android lock screen without knowing the password and without deleting anything on the phone

Ways to bypass the android lock screen

1. Using recovery mode awesome app
2. Using the SMS bypass app
3. Using Google account
4. Using Samsung find my mobile

1. Using recovery mode

1. Download pattern password disable.zip to your sd card
2. Insert the sd into the phone and boot the phone into recovery mode

• To boot HTC into recovery mode, switch off the phone, press volume down and power key, now use volume keys to scroll to Recovery mode and select it by pressing power button
• For samsung, swith off your phone completely, now boot it by pressing volume up + Home key (the middle pressing key) + power button, scroll with volume key and select with Home key
• For sony, switch off the device and switch it on again, then press Volume up key as soon as it show the logo.

      3. Once you've successfully enter the recovery mode, select "install Zip" > Choose zip from sd card> Lock screen security bypass.zip > Yes
      4. Wait for the file for flash
      5. After Flashing, Reboot the phone
      6. Congrats!!! you will see that the lock has vanished and if it bring out any pattern or password, press anything you like and it will open

2. Using the SMS bypass app

1. Download the app by clicking here
2. This app allow you to bypass your phone lock screen by sending a message
3. It removes your password or pattern after receiving a secret code Via SMS

NOTE----> This app requires root permission

3. Using google account

1. You must have first link your Gmail with your phone
2. After Exceeding the Normal 5 times you are required to press your password, you will be ask to retry after sometime, but at the bottom corner you will see something like "Forgot pattern"
3. Tap on it and it will take you to the Gmail recovery and ask you to enter your Email and password, Just enter the details you've linked with the phone and tap sign in
4. On successful login, you will be ask to draw another pattern, just draw a simple and memorable pattern and you are good to go

NOTE ---> This work whenever your Data is "ON"

4. Using Samsung find my mobile

1. Firstly, log on to Samsung find my mobile with your Samsung details
2. In the mobile finder Interface, you will see the phone registered on the account
3. Check the left sidebar and tap on "Unlock my screen"
4. Select Unlock and wait for few seconds for the process to finish loading
5. Now you will get a Notification of an Unlocked phone
6. Now open your phone and start flexing.....