Samsung’s Z-series of Tizen-based smartphones has so far seen two models launched: the Z1 and Z3. A third model, the Z2, has been spotted at the launch of the Galaxy Note 7. Designed for emerging markets, this will be the first Tizen handset to be launched in Africa. The phone will have a 4″ AMOLED screen and 1GB of RAM. Rumours suggest 960 x 540 resolution and a 32-bit quad-core processor. Samsung will launch the Z2 on the 11th August, for $60.