The Nokia 230 (2015) and Nokia 230 Dual SIM are Nokia-branded feature phones originally developed by Microsoft Mobile. The phones were originally released in December 2015, and sold again by HMD Global in November 2018. The Nokia 230 has one SIM card slot, and the Nokia 230 Dual SIM with two slots. Initially, the phones were only released in black and white, but HMD would later add dark blue and light gray color options, after the release of Nokia 106 (2018) in November 2018.