The SIM card has always been the mobile operators’ tool to keep users locked in and to monetize their connectivity. In recent years though, their grip has weakened. Dual-SIM devices, low cost SIM-only deals, and the rise of the embedded SIM have changed the rules. With eSIM, handset makers like Apple, or IoT service providers, can control the SIM and adapt it for any operator remotely. And in 5G, there will be even more changes to the landscape. The SIMalliance has just published its technical definitions of a 5G SIM card, saying the aims is to support “optimization of 5G SIM capability beyond network access to unlock the full potential of 5G network investments”. The organization recognizes the challenges that…