iXpand not detected after ioS 9.3.1 update

Mobile Accessories SanDisk iXpand™
21

I did the iOS update from 9.3.1 to 9.3.2 expecting that this will be the solution for this issue (Ixpand can´t connect to Ipad device), Also I did the update of the iXpand FW from 4.4.7 to 4.4.8 with out success.

Please i you can help me to solve this. Thank you