How to Update Your Samsung Account Phone Number: Complete Guide for 2026

Your Samsung Account phone number is the backup contact Samsung uses for account recovery, security alerts, and two-step verification across all your Galaxy devices. We’ll show you exactly how to update it and what to expect along the way.

What Is Your Samsung Account Phone Number?

Your Samsung Account phone number is the contact information linked to your Samsung ecosystem—including cloud storage, Galaxy Store, Find My Mobile (SmartThings Find), device recovery, and app backups. Unlike your carrier’s phone number, this is a dedicated contact stored specifically with Samsung’s services. When you change phones, switch carriers, or get a new mobile number, you’ll need to manually update this information so Samsung can reach you when needed. (Current as of: Samsung Account app v15.7.00.16 - May 2026)

Why Update Your Samsung Account Phone Number?

• Account Recovery: If you’re ever locked out of your Samsung Account, a current phone number helps Samsung verify you’re the legitimate owner and restore access quickly.
• Two-Step Verification: Samsung’s security system can send verification codes via SMS when you sign in from new devices, protecting your account from unauthorized access.
• Security Alerts: Samsung notifies you about unusual account activity, password changes, and security events directly to your registered number.
• Device Replacement & Backup: When you get a new Samsung device, having an updated phone number ensures smooth transitions and backup restoration of your personal data.

Things to Consider Before You Start

• Two-Week Processing Timeline: Samsung implements a mandatory 14-day security waiting period for phone number changes. You won’t be able to use the new number for two-step verification until this period completes. Samsung sends an email or text message confirming when your new number becomes active.
• Don’t Submit Multiple Requests: If you submit a new phone number request before the first one finishes processing, it resets the two-week timer. Wait for confirmation that your change is complete before making updates.
• Storage Requirements: Your Samsung Account app requires Android 10.0 or newer and approximately 46.0 MB free storage space. Keep an additional 100-500 MB available for updates and system cache.

How to Update Your Samsung Account Phone Number in 3 Steps

Step 1: Open Samsung Account and Sign In

1. Look for the ‘Samsung Account’ app on your home screen or in your app drawer (it comes pre-installed on all Samsung phones).
2. If you can’t find it, open the Google Play Store or Galaxy Store app, search for ‘Samsung Account,’ and download it.
3. Tap the app icon to open it.
4. Tap ‘Sign in’ and enter your Samsung email address and password.
5. Wait 10-15 seconds for your account dashboard to fully load—you’ll see your profile information and account settings.

Step 2: Navigate to Phone Number Settings

1. Once signed in, look for a menu option labeled ‘Personal info,’ ‘Account info,’ or ‘My profile’ (exact name varies slightly by Samsung device model and software version).
2. Tap this option to open your account details page.
3. Scroll down slowly through the list until you find the field labeled ‘Phone number’ or ‘Mobile number’—this is what you’re looking for.
4. You’ll see your currently registered number displayed here (if this is your first time, the field may be empty).
5. Tap directly on the phone number field to begin editing it.

Step 3: Enter Your New Number and Verify

1. Clear the old phone number and type in your new one.
2. Important: Include your country code if you’re updating from a different country (for example, +1 for USA, +44 for UK, +61 for Australia).
3. Double-check that you’ve entered the number correctly—typos will cause verification to fail.
4. Tap ‘Save’ or ‘Update’—Samsung will immediately send a verification code via SMS text message to this new number.
5. Watch for the text message to arrive within 2-3 minutes. Open the message and copy the verification code (usually 6 digits).
6. Return to the Samsung Account app and paste the code into the ‘Enter verification code’ field when prompted.
7. Tap ‘Verify’ or ‘Confirm’—once verified, you’ll see a green confirmation message saying ‘Phone number updated successfully.’
8. Your Samsung Account phone number is now updated. Remember: you can’t use this number for two-step verification for the next 14 days due to Samsung’s security processing period.

Pro Tip: You can register up to THREE phone numbers in your Samsung Account settings. This gives you backup options if one number becomes unavailable. If you don’t receive the verification code, wait 5 minutes and tap ‘Resend verification code’ in the app.

Troubleshooting & What Happens Next

Verification Code Not Arriving?

• Wait at least 5 minutes before requesting a new code—SMS messages sometimes take time to deliver, especially on slower networks.
• Check that your new phone number is correct and formatted properly for your country (include the country code for international numbers).
• Confirm that your phone carrier isn’t blocking SMS messages from Samsung’s number.
• Check your spam or ‘Messages’ folder in case the verification code was filtered there.

If You Need to Recover Your Account

• If you can’t access the phone number you registered, use the ‘Recover account’ option in your Samsung Account settings.
• Samsung will verify your identity using your registered email address and answer security questions.
• Contact Samsung Support if these recovery options don’t work—they can verify your identity through other methods.

After Your Update Completes

• Wait 24 hours, then open your Samsung Account settings again and verify the new phone number is showing correctly.
• Consider updating your backup email address at the same time for additional account security.
• Your new phone number will sync across all your connected Samsung devices within 10-30 seconds if you have automatic sync enabled in Samsung Cloud settings. You can also manually trigger sync by tapping ‘Sync Now’ in the Samsung Cloud app.
• Remember: Your new phone number cannot be used for two-step verification for 14 days. Use your backup verification methods (Galaxy device verification, Authenticator app, or backup codes) during this waiting period.

Updating your Samsung Account phone number takes just a few minutes and significantly improves your account security and recovery options. Once the 14-day verification period completes, your new number will be fully active and ready to protect your Galaxy devices.