Panasonic p11 hard reset solution here
 

Panasonic P11 hard reset solution: caution all user data will get lost.. Switch off the mobile phone. Press volume up and power key together.. YOu will enter into fastboot mode and on display you will see green screen colour. Keep pressing both buttons then you will enter into red screen colour that is recovery mode.. Now press home button . You will enter into recovery menu. There select wipe data/ factory reset. Done.

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