Skip to the content.

Enable UL-MIMO on X70, X75 modems with MPSS.DE.x.0 baseband firmware or newer:

Confirmed working with the following devices:

Devices with UL-MIMO enabled out of the box by the OEM:

How to enable UL-MIMO

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 UL-MIMO

Navigate to /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/nr5g/RRC/cap_limit_rf_mimo set to 0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

/nv/item_files/modem/nr5g/RRC/cap_ctrl_srs_as_and_ul_mimo set to 0x01

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

Download from here