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Enable Rel16 LTE and NR capabilities on X65 modems with MPSS.DE.1.0 baseband firmware or newer:

Confirmed working with the following devices:

Devices with 3GPP Rel16 enabled out of the box by the OEM:

How to enable 3GPP Rel16

Step 1: Launch EFS explorer

Launch QPST with your device in diag mode. Then, open the EFS explorer.

Step 2: Upload the NV item files for NR-DC

Navigate to /nv/item_files/modem/lte/rrc/efs/, then /nv/item_files/modem/nr5g/RRC/

Right click and “Copy item file from PC”, do not drag or drop.

List of NV item files:

/nv/item_files/modem/lte/rrc/efs/lte_3gpp_release_ver set to 0x00

/nv/item_files/modem/nr5g/RRC/nr5g_3gpp_release_ver set to 0x02

For dual SIM devices, also copy over the files suffixed by _Subscription01

Download from here