Samsung I8552 Google Account & Pattern Lock solution

1. Mobile Switch Off

2. Volume Up + Home + Power Button In Hold 2-3 sec

3. Then Vibrates Only Release Power Key And Hold Home + Volume Up Key

4. Display In Recovery Menu

5. Then Procedure

6. Thats All

ZTE N885d Google Account & Pattern Lock Solution

1. Mobile Switch Off

2. Volume Up + Power Button In Hold 15 Sec

3. Display In Recovery Menu

4. Select Volume Down In Wipe Data / Factory Reset

5. Ok Then Power Button

6. Select "Yes" Option

7. Ok Then Power Button

8. Select Reboot System Now

9. Ok Then Power Button

10. Thats All

LG P-500 Enter Password To Unlock Solution

1. Mobile Switch Off

2. Volume Down + Home + Power Button In Hold 20 Sec

3. Display In Android Logo Will Appear And It Will Self Wipe Data 

   And Restart The Phone

4. Thats All