I recently started getting the "Invalid SIM" warning on my lock screen and in the status bar. The weird thing is that I still have service. Sometimes rebooting fixes it, other times updating the network profile or PRL will make it go away. Any ideas why this is happening?
Developing an application is a hard and often times ungratifying task. It also requires quite a … more
21 Aug 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?