I wouldn't touch them because of security issues. Google is pulling its apps from Huawei phones, and I would think will be considering doing this for other Chinese phones as well.
^A 2012 U.S. congressional report labelled Huawei a national-security threat, saying its equipment could allow China to spy or disable telecommunications networks. Smaller U.S. carriers use Huawei gear, but the report made it politically difficult for bigger ones, such as AT&T Inc., to do so.
Chinese server every 72 hours, the software was found on ZTE, Oppo and Huawei smartphones.^