The Asha 501 from Nokia was first released in 2013
(Aso known as Nokia Asha 501 Dual Sim with dual-SIM card slots)
Model ID:

with 128MB 64MB RAM
OS: Nokia Asha software platform 1.0, upgradable to 1.4
Display: 3.0 inches, 240 x 320 pixels
Rear Camera: 3.15 MP

Front Camera:

Battery: Li-Ion 1200 mAh, removable (BL-4U)
Talk Time: Up to 17 hUp to 17 h
Network: GSM

Wi-Fi 802.11 b/g/n
Color Options: Bright Red, Bright Green, Cyan, Yellow, White and Black