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Why is RCS Chat Not Working?

Why is RCS Chat Not Working?

Deeksha Bangia

3
mins read

November 26, 2024

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Key Takeways

According to a study, the global RCS market is expected to reach $19.48 billion by 2028. RCS (Rich Communication Services) has been claimed as the evolution of SMS, bringing advanced messaging features similar to those found in popular chat apps like WhatsApp, iMessage and Facebook Messenger.

How Does RCS Chat Work?

RCS is built on top of traditional SMS but uses the internet for data transmission. Unlike standard SMS, which sends text over a cellular network, RCS chat requires an internet connection—either via Wi-Fi or mobile data. The service can provide real-time interaction with advanced features, making it a worthy successor to SMS for business. For a detailed comparison, you can check our coverage on RCS vs SMS.

Reasons Why RCS Chat is Not Working?

Here are reasons why RCS chat may not be working

  1. Device and App Support

While many modern Android devices come pre-installed with Google Messages (the app most commonly associated with RCS), not all support RCS natively. Certain older devices or those using non-standard messaging apps may not have RCS capabilities, causing chats to revert to SMS messaging.

  1. Connectivity Issues

RCS requires a stable internet connection to function. If either party in the conversation has poor connectivity whether through Wi-Fi or mobile data, the RCS chat might not work as intended or could fail to send messages entirely.

This is not an issue while sending an SMS as they use network instead of WiFi.

  1. App Updates and Software Bugs

Outdated versions of the Google Messages app or carrier-specific messaging apps can be a source of trouble. Additionally, even updated apps can have bugs or glitches that disrupt RCS functionality.

  1. Carrier-Related Issues

Even if both parties have compatible devices and apps, carrier-specific issues can prevent RCS from functioning. Some carriers have yet to fully roll out RCS support or may have configurations that block certain features like read receipts or typing indicators.

Why choose RCS Now for Business Messaging?

RCS Now by Message Central helps businesses overcome the challenges of traditional RCS rollouts by offering a unified, reliable platform that ensures seamless RCS communication, enhanced global interactivity and improved customer engagement.
It is designed to harness advanced features, providing businesses with a strong platform to elevate their communication strategies.

You can get in touch with the team to get started.

Troubleshooting RCS Chat Issues

  1. Check RCS Status

The first step in troubleshooting is to check if RCS is enabled. In the Google Messages app

  • Open the app and tap the three dots (More options).
  • Go to Settings > Chat features.
  • Ensure that the status reads connected.

If it does not, proceed with the following steps.

  1. Re-Register RCS

Sometimes, deregistering and re-registering your phone number can help reset the RCS connection

  • Disable chat features in Settings > Chat features.
  • Wait a few minutes, then enable it again to re-register your number.
  1. Update Your Messaging App

Ensure that you are using the latest version of the messaging app that supports RCS. Update Google Messages or your carrier’s messaging app through the Google Play Store.

  1. Restart Your Device

A simple device restart can help resolve minor glitches that might prevent RCS from functioning.

  1. Clear Cache and Data

For users of Google Messages

  • Go to Settings > Apps > Google Messages > Storage.
  • Tap Clear cache and then Clear data.
  • Open the app and set up RCS again.
  1. Check Internet Connection

Since RCS relies on an internet connection, verify that both parties have a stable network connection. Switching between Wi-Fi and mobile data can sometimes resolve connection issues.

  1. Contact Your Carrier

If all else fails, the issue might lie with your carrier. Contact your carrier’s customer service to confirm whether there are any network problems or RCS outages.

Conclusion

In conclusion, RCS not working can stem from issues such as carrier compatibility, device support, connectivity problems and software bugs.

Frequently Asked Questions

How do I choose the right OTP service provider?

When selecting an OTP SMS service provider, focus on:

  • Delivery reliability and speed
  • Global coverage and local compliance
  • Multi-channel support and fallback
  • Ease of integration
  • Pricing transparency

The right provider should not just send OTPs but ensure they are delivered consistently across regions and networks.

Not all OTP SMS service providers are built the same.

Some optimize for cost, others for flexibility but very few balance delivery reliability, global coverage and ease of use. And that balance is what actually impacts whether your users receive OTPs on time.

If OTP is critical to your product, focus on:

  • reliable delivery (not just sending)
  • multi-channel fallback
  • scalability across regions

Try It for Yourself

Why is multi-channel OTP important?

Relying only on SMS can lead to failed verifications due to:

  • network issues
  • telecom filtering
  • device limitations

Multi-channel OTP systems (SMS + WhatsApp + voice) improve success rates by automatically retrying through alternative channels if one fails.

What is the best OTP SMS service provider in India?

Some of the commonly used OTP SMS service providers in India include MSG91, Exotel and 2Factor.

That said, India has additional challenges like DLT compliance and operator filtering. Platforms that handle these internally while also offering fallback options tend to provide more consistent OTP delivery.

Which is the cheapest OTP service provider?

Providers like Fast2SMS and 2Factor are often considered among the cheapest OTP service providers, especially in India.

However, lower pricing can come with trade-offs such as:

  • lower route quality
  • higher delivery delays
  • limited fallback options

For mission-critical OTP flows, reliability often matters more than just cost.

Which is the best OTP service provider in 2026?

The best OTP service provider depends on your use case.

  • For global scale and flexibility: Twilio, Infobip
  • For cost-effective APIs: Plivo
  • For India-focused SMS OTP: MSG91, Exotel

However, platforms like Message Central stand out by balancing global coverage, multi-channel fallback and ease of deployment, making them suitable for businesses that prioritize delivery reliability.

What is an OTP service provider?

An OTP service provider enables businesses to send temporary verification codes to users via channels like SMS, WhatsApp or voice to authenticate logins, transactions or sign-ups.

Modern OTP SMS service providers go beyond just sending messages, they ensure reliable delivery using optimized routing, retries and sometimes multi-channel fallback.

Ready to Get Started?

Build an effective communication funnel with Message Central.

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