Understanding *#21 Failures: Causes and Solutions

Discover what *#21 failure means and learn how to fix call forwarding issues on your phone.

152 views

When *#21 fails, it typically indicates an issue with call forwarding or user-defined forwarding settings on your phone. To resolve this, check the call settings on your device to ensure that call forwarding is configured correctly. If the problem persists, contact your service provider for further assistance.

FAQs & Answers

  1. What does *#21 mean on a phone? *#21 allows users to check if call forwarding is activated on their mobile device.
  2. How can I fix call forwarding problems? To fix call forwarding issues, review your call settings and ensure they are configured correctly, or contact your service provider.
  3. What should I do if *#21 fails? If *#21 fails, check your device’s call settings or consult your service provider for further assistance.

Watch More

For more insights on mobile troubleshooting, check out our guides on fixing common phone issues, and learn how to optimize your call settings for seamless communication.

  1. Understanding Call Forwarding: What Happens When You Dial *#21? Discover what *#21 does and how it helps you manage call forwarding on your phone efficiently.
  2. What Does Dialing *#61# Reveal for Call Forwarding? Discover what dialing *#61# on your phone can do for call forwarding management.
  3. What Does USSD Code #61 Do? | Check Call Forwarding Status Learn how to use USSD code #61 to check if your calls are being forwarded when you don't answer.
  4. What Does the *#62 Code Do? A Quick Guide Discover how the *#62# code helps you check call forwarding settings for your phone when unreachable.