Dual SIM (Micro-SIM, dual stand-by)
Android OS, v5.1 (Lollipop)
8 GB, 1 GB RAM
The Asus Zenfone Go ZC451TG comes with 8GB of internal storage which can be expanded via microSD card (up to 64GB). Users also get 100GB of free Google Drive storage, valid for two years. This excludes 5GB of free Asus Web Storage with lifetime validity.
Other specifications include 1GB RAM, and battery of 1600mAH, Dual SIM (Micro-SIM, dual stand-by) and Quad-core 1.3 GHz Cortex-A7. Asus is trying to keep the balance of both of his users, users which can afford high-end devices where price doesn't matter and users which are just interested in having latest technology with limited functionalities.
We have 5MP rear Camera which takes a reasonable image, we can record a video of quality 720p@30fps. From connectivity point of view we have Wi-Fi 802.11 b/g/n, hotspot option, Bluetooth v4.0, A2DP, EDR, and microUSB v2.0.