Main Reasons Why LINE Is Not Working

• No internet connection;
• LINE servers are temporarily down;
• Outdated app version;
• Corrupted cache or app data;
• Account suspension;
• Phone number verification issues.

1️⃣ Check Your Internet Connection

LINE requires a stable internet connection.

• Switch between Wi-Fi and mobile data;
• Restart your router;
• Disable VPN services;
• Test other apps to confirm connectivity.

2️⃣ Check If LINE Servers Are Down

Sometimes the issue is caused by a service outage.

• Check LINE’s official social media accounts;
• Visit outage monitoring websites;
• Try logging in later.

3️⃣ Update the App

An outdated version of LINE may cause login errors.

• Open the App Store or Google Play;
• Search for LINE;
• Tap “Update” if available;
• Restart the app after updating.

4️⃣ Clear App Cache

Corrupted app data can prevent successful login.

• Open your phone’s Settings;
• Go to Apps;
• Select LINE;
• Clear cache (not data unless necessary);
• Restart your device.

5️⃣ Phone Number Verification Error

If you are not receiving the SMS verification code:

• Double-check your phone number;
• Ensure your SIM card is active;
• Make sure SMS messages are not blocked;
• Request the code again after a few minutes.

6️⃣ Account Suspended or Restricted

LINE may restrict access due to:

• Violation of community guidelines;
• Suspicious activity;
• User reports.

In this case, contact LINE support through the official website.

7️⃣ Try Logging in on Another Device

If login fails on one device, try:

• Using a desktop version (if available);
• Logging in on another smartphone;
• Accessing via web (if supported).

What If Nothing Works?

• Reinstall the LINE app;
• Update your phone’s operating system;
• Contact LINE customer support;
• Verify your linked email address.