Micromax Bolt A66 Pattern lock or Hard Reset done without any box

This tutorial tested by me without any risk, just need to remember some impotent notes for data, if you use this tutorial then remember first if you use this tutorial then you can't save data like contacts, mp3, videos, photos because this is factory reset so remember this topic because impotent this step and also check your device battery if low so you can't use this tutorial and check also volume up and down key and power because if this tutorial use then need to three keys for hard reset. You can done problem like Pattern lock, restarting problem, hang on logo, security lock from this tutorial.

Procedure:

1. Must be charged battery up to 50% per.

2. Insert battery in to device

3. Press and hold Power key for 3 second + Volume Up button until recovery log

4. Choose 'Wipe data/factory reset' option from Volume Down key and then Press Power key for select

5. Choose 'Yes — delete all user data' option from Volume Down key and then Press Power key 

6. Wait until full wipe data

7. Reboot device

8. You are done

Note : For go up or down use Volume UP key, For select option use Power key