Micromax Ninja 4.0 A87 Hard Reset

Hard Reset:

• Press and Hold Volume UP + Power Key.
• now you see android logo
• now select wipe data / factory reset and select Yes -- Delete all user data
• now reboot device.

Some time not work these method. Try new method:

Hard Reset:

• Press and Hold Volume Down + Power Key for 20-30 Seconds.
• Now hang mobile at logo.
• Now Download Android Mullti Tool
• Download fastboot driver and install Drivers
• now open tool and press "8" and enter to wipe data / factory reset.
• after format remove battery and reinsert battery.
• power on the handset.