A smartphone codenamed Lenovo K51c78, which might be alleged Vibe X3 Lite, has been recently listed on Chinese certification website.

Specs-wise, the handset packs 5.5-inch display with 1080 x 1920 pixels resolution and runs on a  MediaTek MT5653 chipset with octa-core 1.3GHz CPU with 2GB of RAM and 16GB  internal storage expandable vis microSD. In the device resides 3300mAh battery.

Lenovo Phone with 5.5-inch display visits TENNA.

Camera-wise, it has a 13MP rear unit and a 5MP front facer. The phone boots Android 5.1 Lollipop out-of-the-box, and comes with a fingerprint scanner 4G connectivity. With the thickness of 8.7mm it weighs 152 grams and available in white, silver, gold, and black color options.  Further it is likely to carry a price tag of around RMB 899 ($142).