The ZTE Obsidian runs Android 5.1 Lollipop OS out of the box. It is a device built with a 4.5-inch TFT display, a 480x854 resolution and 218ppi index. Powering it from within is 1GHz Quad-Core MediaTek MT6735M processor with 1GB of RAM and the Mali-T720 MP2 GPU. Its internal storage capacity is 4GB with an option to expand this by up to 32GB through the use of a microSD card. Photos may be captured from the 5MP rear-facing sensor or the 2MP camera in front. The camera on the back can also record videos with 720p HD quality. The 1800mAh battery is able to last up to 6 hours of talk time and 10.4 days in standby mode.
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