Selected model: E2120
Selected com port: COM19
Selected speed port: 921600
Please, connect phone and press power button 3 seconds
Phone Detected
Sending loader1... OK
Flash ID: 49
Set speed - Fail
Send loaders - fail
Elapsed time: 19 second, sw ver: 3.5.0040
vào tới speed toàn fail mong các bác giúp