At first I couldn't use the USB port because it's 3.0. So I switched to USB Post 2.0. I installed a 4-port USB 2.0 hub, a flash drive and a receiver for a portable keyboard, it works fine. It's very similar to owning an Andriod phone without the calling part. However, you can install the Zoom or Facebook Messenger app from the App Store. They should work just fine. No paid cellular service. games are given. Should be able to play all PlayMarket games. ROM game emulator apps like 2600emu work fine (Atari 2600 emulator). It's a great way to play your old games. It only has 10GB of RAM, but I didn't hit that limit. Bluetooth works fine. Fits well with most devices. That means music files can be transferred from SD card via mp3 app. Also, it may be possible to play videos from a connected external USB DVD drive using the VLC application. Many of these options can be configured in Settings. I put a 32GB SD card in the slot. It also has an over-the-air network that allows you to connect to the service without Wi-Fi. It's basically like owning a non-Windows computer. In addition, it is backward compatible with most legacy Android apps. A very good system.
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