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我正在为 blackberry os 6 和 7 开发应用程序,如果我必须从我的服务提供商那里订阅黑莓互联网服务计划,或者任何正常的互联网数据计划或 wi-fi 网络对我有用,我会收到推送通知。请帮忙。我正在使用黑莓曲线 9220