Tecno seems to be rolling on day by day. Making their smart phone lovely each passing day. After Tecno previous phone Tecno R7 released, it release it first android phone Phantom Z running android OS 4.4.2 [kitkat]. The phone is was lunched in Kenya and is currently been sold in Nigeria, Kenya and other west African countries.
https://www.youtube.com/watch?feature=player_embedded&v=btPk4kcbCOU
What You Should know About Tecno Phantom Z

The smart phone comes with a non removable 3030mAh battery. Due to the non removable Battery Tecno decided to add it up with a 5200mAh Power Bank. You should also know that the The smart phone is Dolby Digital.

According to Tecno-Mobile The Smart-Phone cost. ₦57,800. The Device will be up for sale by August on Konga and Jumia.
Read its Specifications @ http://www.azokatheo.com/blog/know-new-tecno-phantom-z-specification/