![]() SystemFota is not Planet-specific it's an obfuscated disaster provided by Shenzhen Digitime Technology. The other updater is what I'm here to talk about. It's very simple, and gives you the URLs and versions for every version along with the ID of the Android ROMs they're compatible with. It's a bespoke app that polls (over HTTP, ugh) to check for updates. ![]() I won't go into the CoDi app too much, as it's quite straightforward. ![]() Then, there's Cover Display Assistant, a standalone app which manages the firmware on the Cover Display (or CoDi for short - a 2" OLED panel on the front of the Cosmo, powered by a STM32 microcontroller). First, there's the main Android updater, SystemFota.apk, which is accessed via the Settings app > Advanced > Wireless update. There's two kinds of OTA updates on the Cosmo. You get the usual AOSP trappings, Google services/apps (although the usual Google setup wizard is curiously missing!), a variety of MediaTek additions, and then some Planet-specific additions on top. The Cosmo uses a MediaTek Helio P70 as its SoC, so its Android 9.0 ROM is based off MediaTek's Android variant. The hardware is pretty nice (although it's held back in some aspects by their obvious lack of budget, as a niche manufacturer), but the software lets it down, which is why I've been trying to hack on it. I recently got a Cosmo Communicator from Planet Computers, the device that's basically the unholy offspring of a Psion Series 5mx and a no-name Android smartphone. Pulling apart the Cosmo's SystemFOTA updater
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