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chaning plmn id in lte network

Hi all,
I have enodeb and MME emulators configured on plmn say 311-289
i programmed by sim and UE to same plmn 311-289.

In wireshark, i see id-TAI and id-EUTRAN-CGI still sending old plmn id but not the new. other items like IMSI in NAS having new PLMN ID.

So, What else should i change to UE send new plmn id in above messages?