Package: firmware-atheros Version: 20180825+dfsg-1 Severity: important Device: Surface Go Debian Version: Buster with latest updates On a fresh installed Debian Buster output of dmesg contains: [ 4.308059] ath10k_pci 0000:01:00.0: failed to fetch board data for bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem- device=3370 from ath10k/QCA6174/hw3.0/board-2.bin which means the device is not added to the board-2.bin. After downloading the .msi from https://www.microsoft.com/en-us/downloa d/details.aspx?id=57439 I was able to extract the needed .bin file. In file netathr10x.inf from the folder /SurfacePlatformInstaller/Drivers/Network/WiFi I found the corresponding subsystem-device=3370 ID where ATHR_DEV_OS63_988x_TX8.ndi is linked to. With the help of that .ndi I was able to find [ATHR_DEV_OS63_988x_TX8.ndi.NTamd64] Characteristics = 0x84 BusType = 5 AddReg = atheros_os63.reg, atheros11n.reg, smpsDynamic.reg, qca_utf.reg, D0PC.reg, roam.reg, wmmac.reg, FW_3X.reg, BD_TX8.reg, enableTxbfee.reg, wowEnable.reg, ForceWowSleep.reg, fastDlBinary.reg, enableSmbios.reg, Ch1213_options_SingleSKU.reg CopyFiles = atheros.CopyFiles, atheros_FW_3X.CopyFiles, atheros_BD_TX8.CopyFiles, service.CopyFiles *IfType = 71 ; IF_TYPE_IEEE80211 *MediaType = 16 ; NdisMediumNative802_11 *PhysicalMediaType = 9 ; NdisPhysicalMediumNative802_11 Include = machine.inf, netvwifibus.inf Needs = VWiFiBus.CopyFiles which has an entry CopyFiles = atheros.CopyFiles, atheros_FW_3X.CopyFiles, atheros_BD_TX8.CopyFiles, service.CopyFiles In the folder is just one file containing "tx8" which is file eeprom_ar6320_3p0_TX8_clpc.bin . After installing package firmware-atheros I just had to remove the board-2.bin and board-bin from /lib/firmware/ath10k/QCA6174/hw3.0 and then copy over eeprom_ar6320_3p0_TX8_clpc.bin as board.bin the wifi was working properly. md5sum of eeprom_ar6320_3p0_TX8_clpc.bin fcbc54a33a3ee462d862fe4f62854410 best regards Christian Höffer
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eeprom_ar6320_3p0_TX8_clpc.bin
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