Update: to reproduce it in iOS 26.1, the options to set are in the settings "Display and text size" enable "display borders" but disable "increase contrast", so as I like the new border option, I enable the "increase contrast" to avoid the bad display

Hello, thank you for the advices The problem is now solved, it was an error in the select command, after the AID number (8 bytes in our case) the reader was adding two zero for the CRC, on Android device this was working but iOS requires that we compute a correct LRC. With the correct LRC value, the command is accepted by iOS device and we can exchange data. As the corrected command is also accepted by Android device, we have a solution that works for both