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Cosmo Communicator Review: the dual boot pocket PC phone

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KDE
Linux
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Debian

Around the turn of the century, smartphones came in many clever and innovative shapes and sizes. For about 10 years, we lost that innovation to rectangular touch screen slabs, but now some of that innovation is coming back. The Cosmo Communicator is a good example. It’s an Android smartphone with a real physical keyboard, a clam-shell hinge to open it up, and an external screen. It even allows you to partition the storage area and install full Linux for a dual boot experience.

The Cosmo Communicator is 171.4mm long, 79.3mm wide, and 17.3mm thick. It’s not a small device. The weight is 326g, so it’s not light either. It’s got a 4220mAh battery with fast charging, 5.99″ FHD 2160×1080 pixel main display, 1.91″ external OLED touch display, 24Mp external camera with LED flash, and 5Mp front-facing video call camera. It supports all of the GSM, CDMA, and 4G LTE radios and is also available in a Verizon version or Japan version for those different frequencies. You’ve got dual nano-SIM card slots and eSIM support as well. It comes with Android 9.0 installed, but now with recent updates, we can also install a special version of Debian Linux. Sailfish might work too.

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