What do Huawei's technical service engineers and technical support engineers mainly do?

It takes about half a year to train at Huawei. As a technical service, the requirements for your original knowledge accumulation are not high. As long as you study hard after entering Huawei and take out the energy of the college entrance examination, you can accumulate enough knowledge to deal with it. There will be a master to take you for a while. After you really work, improving yourself is one aspect, simple problems can be solved, and complex problems still focus on communication. Explain the problem clearly and give feedback, and basically the work is completed. That's it.