Hi all,
I have a customized Quectel EC-25 board and a SixFab eval board, also I have a SIM from a network provider with LTE standard service and a custom programmed USIM.
The Sixfab eval board detects both type of SIM cards, but my Custom board only detects the SIM from network provider(any provider works). As soon as i insert custom programmed USIM the module gives CME error=10 for at+cpin? Also the USIM_VDD drops to 0 from 1.8 on inserting the custom USIM.
I have tried most of the options that I found in forums but I am unable to debug and use the USIM.
Can anyone help in resolving this? has anybody already faced such issue?
Regards
Nitin