Viber notifications are not working properly, how can I fix this problem?

If Viber notifications are not working properly,

Check notification settings first;

• Go to:
– Phone Settings → Notifications → Viber

• Make sure:
– Notifications are ON
– Sound & pop-ups enabled

• Also check inside Viber:
– Settings → Notifications

Disable battery restrictions;

• Turn OFF:
– Battery saver
– App optimization for Viber

• Important:
– These can block notifications in background

Allow background activity;

• Ensure:
– Background data is ON
– Data saver is OFF

• Otherwise:
– Messages won’t trigger alerts

Check Do Not Disturb mode;

• If enabled:
– Notifications may be silenced

• Turn it OFF or:
– Allow Viber as exception

Update the app;

• Go to App Store / Google Play
• Install latest version

• Bugs in old versions can break notifications

Refresh the app;

• Force stop Viber → reopen
• Restart your phone

• This fixes temporary glitches

Check connection stability;

• Weak internet can delay notifications
• Try switching Wi-Fi ↔ mobile data

Reinstall if needed (last step);

• Backup chats first
• Delete → reinstall → log in

These are key fixes that we can offer. If you have more, please share.