Why you might want to disable SMS messaging
Disabling SMS messaging means your phone will no longer receive or send text messages through your carrier's network. You might do this to reduce distractions, block unwanted texts, or because you rely only on internet-based messaging apps like WhatsApp or iMessage. The steps differ depending on whether you use an iPhone or Android phone, and whether you want to disable texting entirely or just turn off notifications.
Before you disable SMS, understand that some services still use text messages to send you important information — bank alerts, two-factor authentication codes, appointment reminders, and delivery notifications often arrive as texts. Disabling SMS completely means you will miss these messages unless the service offers an alternative like email or push notifications.
Key Takeaways
- On iPhone, you can disable iMessage and SMS separately through Settings > Messages, or turn off notifications without disabling the service itself.
- On Android, the steps depend on your phone manufacturer, but most phones let you disable SMS through Settings > Apps or by changing your default messaging app.
- Disabling SMS means you will not receive text messages from your carrier, including two-factor authentication codes and service alerts.
- If you only want to stop seeing notifications, you can mute the Messages app instead of disabling SMS entirely.
How to disable SMS on iPhone
On iPhone, SMS and iMessage are handled together in the Messages app. To turn off both, open Settings, scroll down and tap Messages, then toggle off iMessage. This disables both services. If you want to keep iMessage (which sends messages over Wi-Fi or data) but disable SMS (which uses your carrier), toggle off Send as SMS.
If you want to keep receiving texts but just stop the notifications, go to Settings > Notifications > Messages and toggle off Allow Notifications. You can also choose to show notifications only on your lock screen, in the notification center, or as banners. This way texts still arrive, but you will not see alerts.
If you use an older iPhone or have a specific carrier requirement, you may need to contact your carrier to disable SMS at the account level. Some carriers allow you to disable texting through their website or app, which prevents SMS from working even if your phone settings allow it.
How to disable SMS on Android
Android phones vary by manufacturer, but the general process is similar. Open Settings, then look for Apps or Application Manager. Find your default messaging app — this is usually Google Messages, Samsung Messages, or another pre-installed app. Tap it, then look for an option to Disable or Turn Off. Some phones let you uninstall updates instead, which reverts the app to its factory version.
If you cannot disable the app directly, you can change your default messaging app. Go to Settings > Apps > Default Apps (or similar, depending on your phone) and change the default SMS app to None or a different app. This prevents the system from routing text messages to any app, effectively disabling SMS.
To stop notifications without disabling SMS, open Settings > Notifications, find your messaging app, and toggle off notifications. You can also choose to silence notifications, show them silently, or limit them to certain times of day. The exact wording depends on your Android version and manufacturer.
Disabling SMS through your carrier
Some carriers let you disable SMS at the account level, which is more thorough than disabling it on your phone. Contact your carrier's customer service — you can usually find the number on your bill or their website. Ask them to disable SMS messaging on your account. They may ask why, and some carriers require a specific reason or may charge a fee, though most do this for free.
Disabling SMS through your carrier means texts will not reach your phone even if you later re-enable messaging in your phone settings. This is useful if you want a permanent block or if you are switching to a different phone and do not want texts to pile up on your old number.
What happens to two-factor authentication codes
Many online accounts use SMS to send you a code when you log in from a new device or location. If you disable SMS, you will not receive these codes. Before you disable texting, check your important accounts — email, banking, social media — and see if they offer alternative authentication methods like authenticator apps (Google Authenticator, Microsoft Authenticator, Authy) or backup codes.
Set up these alternatives before you disable SMS. Most services let you add multiple authentication methods, so you can use an authenticator app as your primary method and keep SMS as a backup. If you have already disabled SMS and are locked out of an account, contact the service's support team and explain that you no longer have access to text messages — they can usually verify your identity another way and help you regain access.
Turning SMS back on
If you change your mind, re-enabling SMS is straightforward. On iPhone, go back to Settings > Messages and toggle iMessage back on. On Android, go to Settings > Apps, find your messaging app, and tap Enable, or change your default messaging app back to your preferred texting app.
If you disabled SMS through your carrier, call them and ask them to re-enable it. This usually takes a few minutes. Your phone may take a few moments to reconnect to the SMS network after you re-enable it, so wait a minute or two before assuming something went wrong.
Frequently Asked Questions
Will disabling SMS stop all text messages?
Yes, disabling SMS stops all text messages sent through your carrier's network. Messages sent through apps like iMessage, WhatsApp, or Facebook Messenger will still arrive because they use data or Wi-Fi, not SMS. If you want to block all messages, you would need to disable those apps separately or turn off notifications for them.
Can I disable SMS for just one contact?
No, disabling SMS is an all-or-nothing setting — it affects all incoming and outgoing text messages. If you want to block messages from a specific person, most phones let you block that contact directly. On iPhone, open the conversation, tap the contact name at the top, scroll down, and tap Block this Caller. On Android, open the conversation, tap the three dots, and select Block.
What if I disabled SMS and now I cannot log into my bank?
Contact your bank's customer support and explain that you no longer have access to text messages. They can verify your identity using other information — your account number, Social Security number, or answers to security questions — and either help you log in or set up a different authentication method. Many banks now offer authenticator apps as an alternative to SMS codes.
Does disabling SMS use less battery?
Disabling SMS has a minimal effect on battery life. The Messages app itself uses very little power. If you are trying to improve battery life, turning off notifications for the Messages app will have a slightly bigger impact than disabling SMS entirely, but the difference is small. Disabling location services, reducing screen brightness, or closing background apps will have a much larger effect.
Can my carrier force me to keep SMS enabled?
Most carriers allow you to disable SMS, but some older plans or business accounts may require it. If your carrier refuses to disable SMS, ask them to explain why — it may be tied to your plan type. You can also ask if they offer a plan that does not include SMS, or switch to a different carrier if SMS is important to you.