Drive Test Query: Unexpected '1111' Values During 4G to 5G Transition

Hi All.

One question regarding the drive test measurement data: does anyone know why the data occasionally appears as ‘1111’ instead of the actual RSRP/RSRQ values?

This only happens during the transition from 4G to 5G.

I believe there are two possible reasons for this.

The first is a chipset limitation – some chipsets provide this information, while others do not.

The second could be a mapping issue, possibly related to fetching or using the data with the correct datatype.

Update: After switching to a better phone, the issue has been resolved. It seems the problem was related to the chipset. Thanks!