How do I update the firmware for a Lightning to USB3 Camera Adapter?

Current firmware is version 1.0.1.  Web search suggests version 1.0.5 was 
released in 2017.   I use the powered adapter to copy files from a flash drive 
stick to my iPad5. Today  I got a notification to the effect that a firmware 
update is available for the Camera Adapter.  I selected “do it later” from the 
options.  But I cannot find a way to initiate the update.

Associated question. Is the Adapter firmware applied to the camera adapter, the 
iPad or to the memory stick?

Regards
Alan



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