To make a voice or video call, open the Zangi app, select a contact from your list, and tap the call icon. Choose either voice or video call. Ensure you have a stable internet connection for the best quality.

Yes, you can send files and images. Open a chat with a contact, tap the attachment icon, select the file or image you want to send, and then press send. Files can include photos, documents, or audio clips.

Creating a group chat is simple. Go to the contacts tab, select 'New Group,' add the contacts you want to include, name your group, and tap 'Create.' Everyone in the group can share messages and files.

To change your profile picture and status, access the settings from the main menu. Tap on 'Profile,' then tap on your current picture to upload a new one. Update your status by typing it in and saving the changes.

If you need to block a contact, go to the chat with that person, tap on their name at the top, and select 'Block Contact.' This prevents them from messaging you or seeing your profile. You can unblock them anytime.