The upcoming Vivo X6 smartphone, which has been the subject of various teasers and leaks lately, has passed what's known as China Compulsory Certification (3C). As you can see in the screenshot above, the certification information reveals that the device will be available in two variants: X6A and X6L. There's, however, currently no information on the difference between these models. From what is known so far, the handset is powered by a 10-core MediaTek Helio X20 chipset, and sports a a 6-inch QHD screen with Force Touch. It has 4GB RAM (1GB dedicated for video), packs in a 4,000mAh battery, sports a 21MP rear camera, and offers 4G connectivity. The handset also features a fingerprint scanner and quick charging capabilities. However, keep in mind that none of these specifications has been officially confirmed...
Source: http://www.gsmarena.com/vivos_upcoming_x6_smartphone_receives_3c_certification_in_china-news-14992.php