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 [https://www.sdcard.org/downloads/formatter_4/|SD Formatter]. If you find your MicroSD isn't compatible with your device try purchasing a new card that is.
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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 [https://www.sdcard.org/downloads/formatter_4/|SD Formatter]. If you find your MicroSD isn't compatible with your device try purchasing a new card.
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For more help refer to our [https://www.ifixit.com/Wiki/Sony_Xperia_Z_Ultra_Troubleshooting|Troubleshooting Page ] .
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 [https://www.sdcard.org/downloads/formatter_4/|SD Formatter]. If you find your MicroSD isn't compatible with your device try purchasing a new card that is.