Switch RCS messaging off in Settings

To stop using RCS (Rich Communication Services) and go back to standard SMS, open Settings on your iPhone, then tap Messages. Look for the toggle next to Enable RCS or Advanced messaging — the exact name depends on your carrier and iOS version. Tap the toggle to turn it off. Your phone will when ready stop sending RCS messages and revert to SMS for all text conversations.

If you don't see an RCS toggle in your Messages settings, your carrier may not support RCS yet, or your iPhone model doesn't have the feature enabled. In that case, your messages are already using SMS by default. You can verify this by sending a text: if it shows as a regular green bubble (not blue) in the conversation, you're using SMS.

Key Takeaways

  • RCS is turned off by going to Settings > Messages and toggling off Enable RCS or Advanced messaging.
  • Once RCS is off, all your text messages will send as SMS instead, appearing in green bubbles rather than blue.
  • Not all carriers support RCS, so the toggle may not appear in your settings even if your iPhone is up to date.
  • Turning off RCS does not affect iMessage — blue bubbles between iPhone users will continue to work normally.
  • You can turn RCS back on anytime by returning to the same toggle in Messages settings.

Why you might want to disable RCS

RCS offers features like typing indicators, read receipts, and higher-quality photo sharing — but not everyone wants those features. Some people prefer the simplicity and privacy of standard SMS, which has been the default text format for decades. Others find that RCS causes compatibility issues with certain contacts or older phones, or they want to reduce data usage by sticking with SMS.

If you're having trouble sending or receiving messages, or if your conversations are showing delivery problems, disabling RCS is often the first troubleshooting step. Switching back to SMS is straightforward and reversible, so you can test whether RCS is the cause of the issue.

The difference between RCS, SMS, and iMessage

SMS (Short Message Service) is the oldest text format — it works on every phone and carrier, uses minimal data, and sends messages as plain text. RCS (Rich Communication Services) is a newer standard that adds features like typing indicators, read receipts, and better photo quality, but it only works between phones that both support it. iMessage is Apple's proprietary system that works only between iPhones, iPads, and Macs, and it appears as blue bubbles in your Messages app.

When you turn off RCS on your iPhone, you're choosing SMS for messages to Android phones and other non-Apple devices. Messages between two iPhones will still use iMessage (blue bubbles) unless you turn off iMessage separately. This means disabling RCS doesn't change how you text other iPhone users — it only affects texts to Android phones and other devices.

Check your carrier supports RCS first

Not every carrier offers RCS on every iPhone model. Major carriers like AT&T, Verizon, and T-Mobile support RCS on recent iPhones, but smaller carriers and older phone models may not. If you don't see the RCS toggle in your Messages settings, your carrier either doesn't support it yet or your phone doesn't have it enabled.

You can contact your carrier directly to ask whether RCS is available on your account and phone. If it's not available, your messages are already using SMS, and there's nothing you need to change. If your carrier does support RCS but the toggle isn't showing, try restarting your phone or updating to the latest iOS version.

What happens to existing conversations when you turn off RCS

Turning off RCS does not delete any of your existing text conversations or message history. All your past messages stay in the Messages app exactly as they are. Going forward, new messages to Android phones and other non-Apple devices will send as SMS instead of RCS, but the conversation thread itself remains unchanged.

If you had read receipts or typing indicators turned on through RCS, those features will stop working once you disable it. The other person won't see when you're typing or when you've read their message — that's how SMS works. If you turn RCS back on later, those features will resume for contacts whose phones also support RCS.

Turn RCS back on if you change your mind

Disabling RCS is not permanent. If you decide you want the extra features RCS offers — like read receipts, typing indicators, or better photo quality — you can turn it back on anytime. Go to Settings > Messages and toggle Enable RCS or Advanced messaging back on. Your phone will reconnect to RCS within a few minutes, and new messages will start using the RCS format again.

There's no penalty for switching back and forth. You can test SMS for a week, then re-enable RCS if you prefer the features. Just remember that RCS only works if the person you're texting also has a phone that supports it — if they're using an older Android phone or a non-smartphone, the message will automatically fall back to SMS regardless of your settings.

Frequently Asked Questions

Will turning off RCS affect my texts to other iPhone users?

No. Texts between iPhones use iMessage (blue bubbles), not RCS. Disabling RCS only changes how you text Android phones and other non-Apple devices. Your iPhone-to-iPhone conversations will work exactly the same.

What if I don't see the RCS toggle in my Messages settings?

Your carrier may not support RCS yet, or your iPhone model doesn't have it enabled. Contact your carrier to ask if RCS is available on your account. If it's not, your messages are already using SMS by default, and you don't need to change anything.

Does turning off RCS save battery or data?

RCS uses slightly more data than SMS because it supports richer features, but the difference is minimal for most users. If you're on a very limited data plan, switching to SMS might save a small amount, but battery impact is negligible. Most people won't notice a practical difference.

Can I turn RCS back on after I turn it off?

Yes. Go back to Settings > Messages and toggle Enable RCS back on. Your phone will reconnect to RCS within a few minutes, and you'll have read receipts and typing indicators again for contacts whose phones support it.

Why are some of my messages green and some are blue?

Blue bubbles are iMessages (sent to other Apple devices). Green bubbles are SMS or RCS messages (sent to Android phones or other non-Apple devices). If you turn off RCS, all messages to non-iPhone users will be green (SMS). The color doesn't affect whether the message is delivered — it just shows which system carried it.