How to enable MULTI-USER on Lava iris x1 grand

Requirements:
1. ES File Explorer
2. Rooted device
Step 1: Download ES File Explorer From Play store.
Step 2: Open ES File Explorer.

Step 3: Grant root permission (select root explorer)

Step 4: Go to device.

Step 5: Search for build.prop and open it.

Step 6: Go to end and edit it and add these lines at the end:

fw.show_multiuserui=1
fw.max_users=5

And save it.
Then reboot your phone.
To switch user tap the top right corner icon on the notification drawer.

Screenshots: