# MMS Messaging Toggle on iPhone: How It Works URL: https://byshahid.com/blog/mms-messaging-toggle-iphone/ App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322) Author: Muhammad Shahid Updated: 2026-11-04 > The switch that decides whether you can send pictures and group texts over SMS. MMS carries photos, video and group texts on the carrier network. If MMS Messaging is off, a group text to non-iPhone recipients degrades into separate individual SMS messages where nobody sees each other's replies, and picture messages fail. The switch is at Settings, Apps, Messages, MMS Messaging. - **What it does:** The switch that decides whether you can send pictures and group texts over SMS. - **Published for:** any iPhone, Verizon, AT&T, T-Mobile and UScellular - **Type:** iOS setting The switch that decides whether you can send pictures and group texts over SMS. This page explains what it does, how to use it on an iPhone and which carriers it applies to. I build **Secret Codes: IMEI & Carrier**, a free iPhone app with 317 checked codes and guides, including this one. If you would rather tap than memorise, [get Secret Codes on the App Store](https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322). ## What is MMS Messaging Toggle? MMS carries photos, video and group texts on the carrier network. If MMS Messaging is off, a group text to non-iPhone recipients degrades into separate individual SMS messages where nobody sees each other's replies, and picture messages fail. The switch is at Settings, Apps, Messages, MMS Messaging. This is the first thing to check when someone says group texts with Android friends are broken. If the switch is not there at all, that is a plan issue rather than a phone issue. Apple's guidance is to contact your carrier to confirm your plan includes group MMS. Note that MMS also compresses photos and videos, so anything you send this way is lower quality than iMessage or RCS. ## How do I do it? - Open the Settings app. - Tap Apps, then tap Messages. - Turn on MMS Messaging. - If the switch is not shown, contact your carrier about group MMS on your plan. ## Which carriers does this apply to? | Published for | any iPhone, Verizon, AT&T, T-Mobile and UScellular | | Type | iOS setting | | Good to know | Available on iOS 17, 18 and 26 where the carrier plan supports MMS. If the switch is missing, the plan is the limitation. | _Screenshot: The Secret Codes detail screen shows the steps, the carriers and an Open in Phone button._ ## Related iphone phone and message settings - [End-To-End Encrypted RCS](/blog/end-to-end-encrypted-rcs-iphone/) - [Send As Text Message Fallback](/blog/send-as-text-message-fallback-iphone/) - [RCS Messaging](/blog/rcs-messaging-iphone/) - [Screen Unknown Senders In Messages](/blog/screen-unknown-senders-in-messages-iphone/) - [Messages In iCloud](/blog/messages-in-icloud-iphone/) - [Turn iMessage Off Before Leaving iPhone](/blog/turn-imessage-off-before-leaving-iphone/) See all [iphone phone and message settings](/blog/iphone-codes/phone-settings/) or [every category of iPhone codes](/blog/iphone-codes/). ## How Secret Codes helps Secret Codes keeps this and every other entry a search away. Pick your carrier once and each entry says whether it is published for your line. You can save favourites, add a private note, and record whether a code worked on your line. **Secret Codes: IMEI & Carrier** is free on the App Store: https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322 ## FAQ ### What is MMS Messaging Toggle on iPhone? The switch that decides whether you can send pictures and group texts over SMS. MMS carries photos, video and group texts on the carrier network. If MMS Messaging is off, a group text to non-iPhone recipients degrades into separate individual SMS messages where nobody sees each other's replies, and picture messages fail. ### What else should I know about MMS Messaging Toggle? The switch is at Settings, Apps, Messages, MMS Messaging. This is the first thing to check when someone says group texts with Android friends are broken. If the switch is not there at all, that is a plan issue rather than a phone issue. ### What are the steps for MMS Messaging Toggle? 1. Open the Settings app. 2. Tap Apps, then tap Messages. 3. Turn on MMS Messaging. 4. If the switch is not shown, contact your carrier about group MMS on your plan. ### Where do I find MMS Messaging Toggle? In the Settings app on your iPhone. ### Is there a dial code for MMS Messaging Toggle? No. On iPhone this is not a dial code, so you use the steps on this page instead. ### Which carriers does MMS Messaging Toggle work on? It is published for any iPhone, Verizon, AT&T, T-Mobile and UScellular. Available on iOS 17, 18 and 26 where the carrier plan supports MMS. If the switch is missing, the plan is the limitation. ### Does MMS Messaging Toggle work on Android phones too? These steps are for iPhone. Android phones have their own menus. ### Will MMS Messaging Toggle work outside the US? The iPhone steps stay the same, although some features depend on your carrier and region. ### What if MMS Messaging Toggle does not work on my iPhone? Check that it applies to your carrier first, because carriers decide which services they offer and can change them. If it should apply to your line, contact your carrier. ### What is related to MMS Messaging Toggle? End-To-End Encrypted RCS. Turn on the encrypted RCS beta where both carriers support it. ### What else is in this category? Send As Text Message Fallback. Let a stuck iMessage retry as an ordinary text instead of failing. ### Can I find MMS Messaging Toggle in an app? Yes. Secret Codes, a free iPhone app, includes it with its steps and carrier details. ## Sources - [Apple Support: iPhone User Guide](https://support.apple.com/guide/iphone/welcome/ios)