In this Thursday, Oct. 31, 2019, file photo, a man uses his smartphone as he stands near a billboard for Chinese technology firm Huawei at the PT Expo in Beijing. (AP Photo/Mark Schiefelbein, File) **FILE**
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In this Thursday, Oct. 31, 2019, file photo, a man uses his smartphone as he stands near a billboard for Chinese technology firm Huawei at the PT Expo in Beijing. (AP Photo/Mark Schiefelbein, File) **FILE**
