Reset my device - Moto X Pure Edition => source by mobilesupport.lenovo.com

Reset my device - Moto X Pure Edition

Factory Data Reset

If you wish to remove all personal information from the device, or are experiencing software issues, perform a Factory Data Reset. This deletes any data stored on the phone.

 1. Touch Image.
 2. Touch Settings. 
 3. Touch Backup & reset.
 4. De-select the Automatic restore option. (May need to turn on Back up my Data to turn off Automatic restore)
 5. Touch Factory Data Reset.
 6. Touch Reset Phone.

External Reset

If you are unable to access the phone’s menu to perform the standard reset you can attempt an external factory reset.
<b> Android 5.x (Lollipop)/Android 6.x (Marshmallow) Steps</b>

1. With the phone powered off, press and hold the Volume Down button and the Power button at the same time until the device turns on.
2. Press the Volume Down key to highlight Recovery mode.
3. Press the Power key to restart into Recovery mode.
4. The screen will display an Android robot with a red exclamation mark.
5. While holding down the Power key, press and release the Volume Up key, then release Power.
6. Use the volume keys to scroll to Wipe data/factory reset and press the Power key to select it.
7. Scroll down to Yes - erase all user data and press the Power key to select it.

source > https://mobilesupport.lenovo.com/us/en/Solution/MF107117