[UPDATE] Specs: 6.2-inch LCD display (1520×720) + Snapdragon 439 + 3GB/4GB + 32GB/64GB + 13MP+2MP rear camera (F/2.2) + 8MP front camera (F/2.0) + 4030mAh battery + 155.11 x 75.09 x 8.28 mm + 163.5g + ¥799.00 / ¥999.00 / ¥1199.00.
Vivo U1 Press Render Images, Specs, price Leaked
UPDATED BY MODERATOR WITH SPECS, PRICE AND ORIGINAL SOURCE (THANK YOU ZYAD)