>Are you sure this is 3620, have you tried wcn3660 and/or wcn3680 ? I am sure. Downstream source [1] and downstream dmesg (wcnss: IRIS Reg: 51120004 which should equal [2]) indicate 3620 (3620A does not exist) [1]: https://github.com/CyanogenMod/android_kernel_huawei_kiwi/blob/cm-14.1/arch/arm/boot/dts/qcom/huawei_msm8939_kiw_al20_vb/huawei-bt.dtsi#L5 [2]: https://github.com/msm8916-mainline/linux-downstream/blob/b20608408caff817ec874f325127b07609fbaeb8/drivers/net/wireless/wcnss/wcnss_vreg.c#L51
