Looking for help updating my firmware (2014 Mazda3)

Hello, I’m a newbie with Mazda. Just got a 2014 mazda 3 and want to update the radio to carplay.. i ordered the hub on amazon and waiting for it to arrive. Been searching for the firmware updates and have not had any luck finding them. If anyone has them can please pm me them or send me in the right direction. Thank You.
 
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