Install BBM on Lenovo A390 Ice Cream Sandwich 100% Working no root

How to install BBM on Lenovo A390
Ok lets begin. Sorry for screen shoot. I will take it soon. :D

1. Connect Your Lenovo A390 to Internet.

2. Open System Settings on your Lenovo A390

3. Open ( i ) About phone.

4. Open System Update

5. Then Download and install Upgrade ( backup your important data for safety ) :D

6. The device will restart after downloading the upgrade, then wait until system start up and installing the upgrade.

7. If the installing upgrade is done, then you can turn on your phone and check your Lenovo version at Build number on About Phone.

8. If your Build Number is A390_ROW_S316_130730 . so you can start download BBM from google playstore

9. That’s it. Enjoy :D

Tested on my Device Lenovo A290


( Note : If you want to copy this tutorial please copy too Source Link Ok. I hope you can respect owner )