How To Modify Old EDL Cable For Latest Huawei Security COM1 Stuck Fixed Auto Fastboot SOFT4GSM.PK Huawei phones updated to Harmony OS are not detected by Device Manager as “Huawei USB COM 1.0 serial port” after test pointing. In such cases, Harmony TP cable will help you. If you connect the phone to the PC using … Continue reading How To Modify Old EDL Cable For Latest Huawei Security COM1 Stuck Fixed Auto Fastboot SOFT4GSM.PK