Step 1. First use your cable to connect the computer and the mobile phone, try multiple USB ports on the desktop. Step 2. Change the USB transport from charging only to file transport, and Huawei’s should be changed to (MTP). Step 3. After finishing the above, check whether the computer can recognize your mobile phone. If it can, you can start the next step. If can't, you need to change the data cable or USB ports.