1、首先需要打开华为商城后，点击我的选项。2、然后再点击联系客服的选项。3、然后选择在线客服的选项。4、然后再点击上方的在线客服进入。5、然后再点击哪些机开发者_JS百科型可以升级鸿蒙OS 2的选项。[详细]
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