First check to see if you are using a MicroSD card that is compatible with your device. If you find that it is compatible, try reformatting the card on the phone using the SD Formatter. If you find your MicroSD isn't compatible with your device try purchasing a new card. For more help refer to our Troubleshooting Page .
Ribbon cable will not be ripped when removing battery, check to make sure you have carefully broken the adhesive seal between the battery and phone housing.