@kaihengfeng I did try the latest version of the QCA6174 4.4.1 firmware which matches the firmware in linux-firmware v176, and the result is the same. I replaced firmware-6 file in the /lib/firmware/ath10k/QCA6174/hw3.0 folder to test this.
[1] https://github.com/kvalo/ath10k-firmware/blob/master/QCA6174/hw3.0/4.4.1/firmware-6.bin_WLAN.RM.4.4.1-00128-QCARMSWPZ-1
@kaihengfeng I did try the latest version of the QCA6174 4.4.1 firmware which matches the firmware in linux-firmware v176, and the result is the same. I replaced firmware-6 file in the /lib/firmware/ ath10k/ QCA6174/ hw3.0 folder to test this.
[1] https:/ /github. com/kvalo/ ath10k- firmware/ blob/master/ QCA6174/ hw3.0/4. 4.1/firmware- 6.bin_WLAN. RM.4.4. 1-00128- QCARMSWPZ- 1