Need some help with custom recovery

/e/OS Devices Samsung
,
41

Good news! For the problems you described:

  1. SIM card issue seems to be device dependent and have to be fixed.
  2. Is the device plugged when you power off? I faced this issue sometime when my device was plugged on power delivery.
42

You can find more details here :
Sim card not detected

43

Thank you for sharing the link. An issue is already raised on GitLab here.