Eric Coomer, an executive with Dominion Voting Systems, which sold the state its new election system last year for more than $100 million, said the problem has to do with the way the voting machines communicate with the underlying Android operating system. He told Totenberg a minor software change will address the issue.
https://www.fox5atlanta.com/news/lawyers-spar-over-georgia-voting-machine-glitch-planned-fix
why would a voting machine need something as big as android?
probably using off-the-shelf components rather than properly engineering an embedded system