Please, help me:EG18EAPAR01A13M4G aggregate only 3 band instead of 4 after update

Good evening, I need your help.

Following the update of the module indicated in the subject, from version 8, I noticed that the modem now aggregates only 3 bands instead of 4. I tried to go back to previous versions, but the problem remains.

Could someone help me with the commands to solve the situation? I’m available.

Thank you very much

Band aggregation does not only depend on the LTE module side, that said, did you happen to have “TIM”? and did you lose band 1?

If you have TIM and you have lost band 1, the solution is this:

Dear @Alex ,

Thank You for Reaching out to us,

Can i know which band is missing?.

Kindy execute the below method and reset to see the band availability:
AT+QMBNCFG=“AutoSel”,0
AT+QMBNCFG=“Deactivate”
AT+CFUN=1,1

Thank you and Have a Great Day !