F7 Dual SIM is a mobile phone manufactured by OPPO.

Latest user agents:

• Mozilla/5.0 (Linux; Android 8.1.0; CPH1819 Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.116 Mobile Safari/537.36 OPR/44.6.2246.127414
• Mozilla/5.0 (Linux; Android 8.1.0; CPH1819 Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Mobile Safari/537.36