How to communicate with iPad 2 + iOS 7 + b-mobile
I updated my iPad 2 to iOS 7. After that, I lost the ability to communicate using my b-mobile data-only SIM [1]. Upon closer inspection, I noticed that the APN settings could no longer be saved. No matter how many times I tried, even after resetting the network and resetting everything, it didn't work. After searching further online, I found a warning from b-mobile regarding the compatibility between the iPad 2 and iPhone 4…