where to buy Tecno S501 in Nairobi

Name: S501
Processor: MT6260A
Network: GSM
Band: GSM900/1800MH#
Dimension: 144*56.8*9.4mm
Display: 3.2″
Resolution: 240*320
Camera: 0.3M Back Camera with Flash
Memory: 16MB ROM + 8MB RAM
Expandable T-Flash, Up to 32GB”
Connectivity: FM, BT
Battery Capacity: 2000mAh