We've already taken a look at KaiOS, the operating system for flip phones that Google has invested millions of dollars into. It's designed to bring improvements from the smartphone era, such as personal device tracking and VoLTE, back to the world (and price point) of feature phones. The platform is already a smash hit in countries like India, but until now, the only KaiOS phones to appear in the United States are running older OS versions with the app store and other features missing.

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