Lenovo Vibe X3 Smartphone Unboxing & Overview the Vibe X3 is Lenovo's flagship android phone Lenovo claims it has the best audio output among smartphones thanks to dual DAC it's powered by Snapdragon 808 chipset with 3GB RAM also has fingerprint scanner a 21MP rear facing camera with Sony IMX230 Sensor and I do the unboxing of the Vibe X3 and give a overview.