How to set access point APN with Unicom card for Android mobile phone?

According to the company's 4G development strategy, the access point name of LTE and 3G customized terminals is set to wonet, and the information and operation and maintenance department is carrying out relevant data transformation. Wonet access point can not be activated until the transformation is completed and the business verification is passed. Until then, the existing access point settings (existing access point: 3gnet) will be maintained.