Quote:
Originally Posted by Dr. Drib
Just update your calibre. Or, if like me, you have an older Mac and can't 'officially' update to the newest OS and therefore can't update to the newest calibre, then try this:
Steps:
1) click the down arrow on DEVICE in the Menu
2) click CONFIGURE THIS DEVICE
3) choose METADATA, ON DEVICE & ADVANCED
4) choose ADVANCED OPTIONS (bottom of box) and select ATTEMPT TO SUPPORT NEWER FIRMWARE.
This worked perfectly for me.
(If I've misunderstood your issue, then please disregard everything here.)
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But depending on the MAC you have, you can update to Catalina unofficially.
http://dosdude1.com/catalina/
There you go. Go have a look and see if you have a MAC that would work well enough with Catalina.