PUMPKIN CAR STEREO SUPPORT CENTER

Radio AS0372B-02B, number order 87775751124109 2017-11-11

Hello. A few days ago the canbus decoder burnt out.
I connected the radio bypassing the canbus.
The radio was working
The car's voltage dropped, the battery was discharged.
The radio is dead when the car is started.
The fuses are okay, the cables are okay. The radio is not responding.
What happened?

After making the reset, it started working.
For me on the screen does not show 3G / LTE but after the color of the diode and after entering the website Huawei I know that it's a LTE network !?
Download speed 12Mbit/s
Send speed 31Mbit/s
Ping 52
Network Poland Plus
Thank you very much for help

I have a new sim card, I work in WCDMA and LTE format.
Do I need to have access to the internet during the Huawei modem installation?
At the same time, turn on WIFI?
Regards

At the beginning, I greet everyone on the forum. I apologize for bad English. I have a radio AS0372B-02B, I wanted to connect the modem Huawei E3372. The system sees a connection, it shows a sign <...> He does not do anything else. Do you want to install a program? Can you update the system? The sys...