The ZTE Z998's screen is 4.5 inches with 540 x 960 pixels resolution.
There is a Qualcomm MSM8930 Dual core 1.2 GHz processor (CPU).
The phone runs on the Android 4.1 Jelly Bean operating system (OS).
Internal memory is No. An external, MicroSD, MicroSDHC (up to 32 GB) expansion slot is available for increased storage capacity.
The phone is powered by a 2070 mAh Lithium-Ion (Li-Ion) battery. ZTE's performance ratings are: 12.5 days standby time, 240 minutes talk time.