Hi firas.abdelghani
Currently, the EM919x product supports MB Multi-SIM operations( internal SIM(eSIM) + external SIM) from native Windows UI
Test Steps:
Step1:Moudle connect the Windows PC
Step2.:Open the Windows network and internet settings
Step3:Open the Cellular, Choose the SIM1, check the Windows UI has changed the cellular data for SIM1
Step4:Choose the SIM2 for cellular data, Check the windows UI, it has changed the cellular data for SIM2.
Please help to tick “Solutions” if your question is answered.