Microsoft is finally ready to launch the unique, dual-screen Surface Duo device it first revealed almost a year ago. The Android 10 device has two 5.6-inch OLED displays, joined by a narrow 360º hinge, which can work together as one 8.1-inch display. Microsoft has customized both the Android OS, and its suite of productivity apps for Android, to enable new dual-screen functionality. The Surface Duo will launch September 10th starting at $1399. It has excellent support for the 4G networks of AT&T and Verizon, and decent support for T-Mobile's 4G network, although it does not support band 71. It will be available unlocked as well as from AT&T. Key specs include a Qualcomm Snapdragon 855 processor, 6 GB of RAM, 128 or 256 GB of storage, Cat. 18 LTE, 3,577 mAh battery capacity, 18W fast charging, fingerprint reader, and USB-C 3.1 including video output to DisplayPort or HDMI. It has an 11 megapixel camera that supports 1080p video conferencing and 4K video capture. The 360º hinge lets the single camera face inward or outward. When open, the Surface Duo is just 4.8mm thick.


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