To minimize someone's chat:
1. Open the chat with the user.
2. Tap "..." at the top.
3. Enter their profile page.
4. Tap "..." again.
5. Tap "Minimize".
Minimized contacts will be moved to "Minimized
Chat". You won't receive notifications for their
messages or calls. They can't see your read
receipts or online status.
To unminimize a user:
1. Access "Minimized Chat" in your chat list.
2. Long press the minimized user.
3. Tap "Unminimize".
Or:
1. Tap the user in your contact list to enter
the chat.
2. Tap "..." at the top.
3. Enter their profile page.
4. Tap "..." again.
5. Tap "Unminimize".
The user won't be notified when you minimize
or unminimize them.