How to Disable SIM Card on Android Phones

How to Disable SIM Card on Android Phones.

Learn how to disable your SIM card on an Android device when you need to temporarily turn off cellular service.

How to Disable SIM Card on Android Phones video

I show you the steps to deactivate your SIM card if you want to stop calls and texts, save battery, or troubleshoot network issues.

How to Temporarily Disable Your SIM Card

Open the Settings app on your Android phone
Tap “Network & internet” (or “Connections” on some devices)
Select “SIM cards” (may be called “Mobile network” on some phones)
Find the SIM you want to disable
Toggle off the switch next to your SIM card

What Happens When You Disable Your SIM

You won’t receive calls or texts
Mobile data will stop working
Your phone number won’t be active
Emergency calls may still work
Wi-Fi will continue functioning normally

How to Disable One SIM on Dual SIM Phones

Go to Settings > Network & internet > SIM cards
Select the SIM card you want to disable
Toggle off “Use SIM” or the similar option
The other SIM will remain active

When to Disable Your SIM Card

When traveling to avoid roaming charges
To troubleshoot network connection issues
When you need a break from calls and messages
To conserve battery when cellular service isn’t needed

Important Notes

Disabling is different than removing your SIM card
Some system services may still try to use the disabled SIM
You can easily re-enable it by toggling the switch back on
For permanent deactivation, contact your carrier

This method works on most modern Android phones. The exact menu names might vary slightly depending on your device manufacturer and Android version. If you don’t see these options, check your phone’s manual or support site for model-specific instructions.

Remember that while your SIM is disabled, people calling you will typically get your voicemail or hear that your phone is unreachable. All normal service will resume when you turn the SIM back on.