Solutions Found! Fix Whatsapp We Cloudn't Send an SMS to Your Number Easily

Part 1. Why is WhatsApp Unable to Send SMS to My Number?

There are several reasons why you may see the error we couldn't send an sms to your number please check your number and try again in 1 hour. This usually happens when WhatsApp can’t verify your number due to temporary issues. Here are the common causes:

• Incorrect phone number format
• Weak or no mobile signal
• SMS blocked by your carrier
• You’ve requested the code too many times
• Do Not Disturb (DND) or SMS-blocking settings enabled
• Phone number recently ported to a new carrier
• SIM card not properly inserted or damaged
• Outdated WhatsApp version

Part 2. How to Fix WhatsApp "We Couldn't Send an SMS to Your Number" Error

Method 1: Activate iMessage Using Cellular Data

This is the most effective fix, with the highest success rate, as reported by many users on Reddit. If you're getting the whatsapp we couldn't send an sms to your number iphone error, this method often works. The key is to use cellular data, not Wi-Fi, and adjust a few settings.

• Turn off Wi-Fi on your iPhone. (Swipe down and tap the Wi-Fi icon to disable it.)
• Go to Settings > Cellular and make sure Cellular Data is turned ON.
• Under Cellular settings, go to Cellular Data Options > Data Roaming and turn it ON (especially helpful when you're traveling or using a new SIM).
• Now, go to Settings > Messages and toggle iMessage OFF.

• Open WhatsApp, enter your phone number, and request the verification code via SMS.

Method 2: Try Call Verification Instead

If WhatsApp says we couldn't send an sms to your number WhatsApp iPhone, try the Call Me option. This bypasses the SMS method and sends you a voice call instead.

• Open WhatsApp and enter your number.
• When SMS doesn’t arrive, tap Call Me.

• Answer the call and note the 6-digit code.
• Enter the code in WhatsApp to complete verification.

Method 3: Install WhatsApp Business

This trick has worked for many users. Installing WhatsApp Business instead of regular WhatsApp can sometimes help bypass this error. You don’t have to use it permanently just to get the verification code.

• Download and install WhatsApp Business from the App Store.
• Enter your number and request the verification code.

• If you receive the SMS, don’t enter it here.
• Reinstall regular WhatsApp and request the code again.
• Enter the code to complete setup.

Method 4: Change Your Default Language & Region

For some users, language and region mismatches can prevent WhatsApp from sending an SMS. This is especially common if your iPhone is set to a different country or language than your mobile carrier. By adjusting these settings, WhatsApp may be able to process the SMS verification request correctly.

• Go to Settings > General > Language & Region.
• Set your Region to your current country.

• Change the iPhone Language to the local or supported language.
• Restart your phone.
• Open WhatsApp and try to get the verification SMS again.

Method 5: Disable VPN or Battery Saver

VPNs and battery-saving modes can block certain network functions, including SMS verification services. If WhatsApp says we couldn't send an SMS to your number, it might be due to these settings interfering with the SMS delivery. Disabling them temporarily could allow the verification SMS to reach your iPhone.

• Turn off any active VPN connections from Settings > VPN.
• Disable Low Power Mode from Settings > Battery.

• Reopen WhatsApp and enter your phone number.
• Wait for the verification SMS.

Method 6: Wait and Try Again Later

Sometimes, the best fix is patience. If WhatsApp has blocked SMS delivery after multiple failed attempts, waiting 24–48 hours may be the only solution. This usually happens when too many SMS requests are made in a short time. During this waiting period, avoid reinstalling WhatsApp or changing devices.

Tips:

• Don’t enter your number repeatedly.
• Avoid reinstalling the app during the wait time.
• After 24–48 hours, reopen WhatsApp and request a new verification SMS.
• Make sure you’re connected to cellular data, not Wi-Fi.

Part 3: Fix WhatsApp “We Couldn’t Send an SMS to Your Number" via iOS System Repair Tool

Sometimes, the issue isn’t really with WhatsApp itself. Instead, it could be a hidden glitch in your iPhone’s system like a network bug, messaging error, or iOS-related issue that blocks outgoing SMS messages. If nothing else has worked, it’s a smart idea to repair your iOS system.

This is where Tenorshare ReiBoot steps in as a game-changer. It's not just another repair tool it’s a highly trusted and widely recommended iOS system recovery solution, known for its ability to fix over 150+ iPhone issues without any data loss.

Steps to Use ReiBoot to Fix the Issue:

• Download and Install ReiBoot on your PC or Mac from the official Tenorshare website. Open ReiBoot and click “Start Repair" to begin.

• Select “Standard Repair" (This won’t erase any data).

• Download the firmware package when prompted.

• Click “Start Standard Repair" and wait a few minutes. Once done, your iPhone will restart, and the system will be fixed.

Part 4: People Also Ask About “WhatsApp We Couldn’t Send an SMS to Your Number"

Q1. How Can I Verify My WhatsApp Without SMS?

Yes, you can! If you’re not receiving the SMS verification code, WhatsApp offers an alternative method called Call Verification. After a few failed attempts, you'll see the “Call Me" option. When you tap it, WhatsApp will call your number and read the verification code aloud. Make sure your phone is not on silent and is able to receive calls.

Q2. Can I Get My WhatsApp Verification Code by Email?

No. WhatsApp does not send verification codes via email. The platform only verifies your phone number through SMS or a phone call. If you’ve added an email for two-step verification, you can use that to reset your PIN, but not for receiving the initial code to activate WhatsApp.

Q3. Can We Bypass the WhatsApp Verification Code?

No, it’s not possible to bypass the verification code. WhatsApp uses this step for security reasons to confirm your identity. If you're unable to receive the code, try using another method, like call verification or fixing your phone’s network or system issues using the tips mentioned above.

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