The Droid X is Motorola phone sold by Verizon. It has an SD slot and HDMI out. You can buy good condition used ones on eBay for $15 here. 4.3 inch Screen (~61.0% screen-to-body ratio) More specifications Complete guide to getting the Square Register App on the Droid X If it’s booting then you can Read more about How to create a $15 Point of Sales with a Droid X and Square. Howto root, unlock bootloader, install custom recovery, CyanogenMod 11 (Android 4.4.4), and Square Register.[…]