Huawei Freebuds Pro Active Noise Cancellation Earbuds (MermaidTWS-WD)Official Firmware [Download]
MermaidTWS-WD 1.9.1.536_Firmware_general_NA_05017CXN.zip
MermaidTWS-WD 1.9.1.390_Firmware_general_NA_05017CXN.zip
MermaidTWS-WD 1.0.1.536_Firmware_general_NA_05017CXR.zip