Motorola DEFY+ hard reset
To reset your Motorola phone to factory settings and erase all the data on your phone, touch Menu > Settings> Privacy > Factory data reset > Reset phone.
Defy won't power ON - Testing the battery
Plug in Defy plus ME525+ to the supplied wall charger and into an electrical outlet (not USB port).
In 30 seconds Defy+ should display a battery meter indicator. If the battery is under 5% yo won't be able to power on your phone.
If you do not see the battery meter after 30 seconds, press the Power Key and Volume down key simultaneously with the device plugged in and hold them for about 10 seconds. Once the display lights up you can let go and monitor the battery meter. The battery meter will go away within a minute and you will be required to press the Volume Key periodically to monitor the meter.
Check Defy plus firmware or software update
Press the Menu key from the Home Screen.
Tap Settings. Tap About phone. Tap System updates.