travelling between two countries or managing dual persona at the same device
in enterpise those solutions are quote interesting, provide full flexibility with just one device
- Android support DUAL-SIM/MULTIPLE SIM cards in API since ANDROID 5.1
- Samsung KNOX support Enterprise billing on dual SIM devices
- first dual-sim phone was the benefon twin in 2000, sim card needs to be selected at phone launch
- 2003 dual-adapter became popular, but it was still not possible to use both at the same time
- several chinese device spotted beginning 2006, samsung’s first dual-sim device d880 was released in 2007
- 2012 Nokia released a cheap nokia 101
- beginning 2014 microsoft provied dual-sim devices 530 and 630
read more: huawei’s flagship devices with dual sim
- update: 12.09.2018 apple released iPhone XR, XS and XS Max , all got dual-SIM capabilities, one will be a physical SIM card and the other an eSIM (embedded SIM), a chinese only device will hold two physical cards
- hopefully those solutions are from the past