One of the most common sim-related errors on iphones is “invalid sim”, as it appears due to a wide variety of reasons. here you will find a detailed guide on how to fix this problem, including a part about what actually causes it.. Iphone no sim card installed, invalid sim card or sim card failure after water damage we all know water is one of the biggest enemies of any smartphone out there. if your iphone got in touch with water , you need to turn it off first, unplug all the cables and wipe the water off.. Smartphonefixes.com > fix iphone 5 and iphone 6 invalid sim we all love apple mobile devices for their impeccable quality, operating systems and services offered. yet, there are chances that technical problems can take place on any of the mobile devices..
What invalid sim iphone mean? what does “invalid sim” mean? that is a good question with several possible answers. if your iphone says “invalid sim” and just refuses to work, here are the likely reasons why:. In this post, you’ll learn about the best methods to fix invalid sim card error on iphone. 5 ways to fix sim card not valid issue on iphone.