Lenovo PB2-650M tested Flash File Need..........

Lenovo_PB2-650M_MT6735_S032_160914
Use this Tool For Flashing
Download
Guide
Open SP Flash Tool
Goto option /then select Download
Check Usb Checksum & Emmc CheckSum
Then load Scatter And flash it
In Download Agent Select = MTK_AllInOne_DA.bin (From Downloaded Tool)