Search for "Telegram."
If an "Update" button is available, tap it.
Manually Sync Contacts (Android Specific - Device Settings): Some Android devices have a system-level sync option for accounts.
Go to your Android phone's Settings app.
Navigate to "Accounts" (or "Accounts & sync," "Users & accounts").
Find and tap on your Telegram account (it might be listed under a Google or other account).
Tap "Account sync" and ensure "Contacts" is toggled on. You might also find a "Sync now" or "Sync" option (often under a three-dot menu).
Check Phone's Native Contact App:
Ensure the contacts you expect to see in telegram number database Telegram are actually saved correctly in your phone's native address book (with proper names and international phone number formats).
If you manage contacts via a cloud service (e.g., Google Contacts), ensure that service is syncing correctly with your phone.
Log Out and Log Back In: This can sometimes refresh all account data and resolve persistent sync errors.
IMPORTANT: Ensure you remember your 2FA password (if enabled) and have access to your phone number for verification before logging out.
Open Telegram.
Go to Settings > Devices (or Settings > Privacy and Security > Active Sessions).
Tap "Terminate All Other Sessions" (or log out of the current session).
Log back into your Telegram account.
Reinstall Telegram App: If all else fails, a fresh installation can resolve deep-seated app issues.
IMPORTANT: Again, ensure you remember your 2FA password and have access to your phone number before uninstalling.
Uninstall the Telegram app from your device.
Restart your device.
Reinstall Telegram from your device's official app store.