After a massive delay, Google has just introduced the Pixel 4a along with giving us a glimpse at the Pixel 5 and 4a 5G. But of course, companies have incredibly long development cycles when it comes to hardware, so it's no surprise that Google is already working on follow-up products. According to an internal Android document obtained by 9to5Google, the company already has software builds for the Pixel 5a, a foldable, and two more, not further specified devices.

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