Step 2: Copy
Framaroot app in your phone internal storage or
external SD card.
Step 3: Go to setting >>> tap on security >>> tick on the unknown sources box (After install un-tick this option doesn’t forget it).
Step 4: Install Framaroot App on your phone. After then tap on App file >>> You will get a popup tab then select by tap on the verify and install option >>> After then tap on Just once option >>> Now tap on install.
Step 5: After completion, you will get two option on your
Lenovo A859 first one “Done” and second one “Open” . Now tap on the open and run
Framaroot App and Now Select “Install Super Su”.
Step 6: After then you will see one of these options “Boromir” and tap on it. Now Reboot your
Lenovo A859 and Enjoy rooted phone. That’s all
After this root process, you will find the Su app in your application menu. You can manage your rooted phone by Su app. Su app work as like firewall, So you should be careful in giving permission to the any app by Su app. If you want to check your Mobile rooted or not try this app
Root checker.Source : Internet