WhatsApp
You don't need an invite to get Whatsapp's calling feature on Android smartphones now (Whatsapp)

Senior XDA member, mohamedrashad has shared a guide through which you can enable call activity on WhatsApp, even though you have not received an invitation for WhatsApp calling feature.

Unlike the older method, in this new method you do not have to root your Android smartphone to enable the feature.

Additionally, this method makes the call activity your home for WhatsApp forever, confirms the developers. But you need to have some basic knowledge about decompiling and editing xml files.

Check out the following guide if you wish to get WhatsApp call activity on your non-rooted smartphone.

Requirements

  • Latest WhatsApp apk
  • ApkTool
  • Notepad++

Download link: WhatsApp 2.11.508.apk

Modified version of WhatsApp

How to get WhatsApp call activity on your smartphone [Without root]

Step 1: Decompile WhatsApp

Step 2: Open AndroidManifest.xml

Step 3: Search for the following code [Head over to the development thread for the codes]

WhatsApp

Step 4: Change it to

WhatsApp

Step 5: Now search for this line

WhatsApp

Step 6: Change it to

WhatsApp

Step 7: Compile and sign

Step 8: Uninstall the old WhatsApp

Step 9: Install the modified version

And you are done. You should now be having calling feature enabled on your WhatsApp.

[Source: XDA]