SMS Blaster
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  • 👋Welcome to the SMS Blaster
  • 💡Fundamentals
    • Getting Started
    • Support
    • Release Notes
    • Feature Request
  • 📚Guides
    • Tips for writing effective SMS with SMS Blaster
    • SMS best practices for deliverability
    • How do I warm up my SIM card
    • Settings Overview
    • How to use placeholders
    • How to use spintext
    • How to use the phone number validator
    • How to use the phone number converter
    • How to send the same SMS to multiple receivers
    • How to insert line breaks and paragraphs in messages
    • How to send SMS from two or more cell phones
    • How to set custom delays between messages
    • How does SMS Blaster send SMS from my phone, and what’s the cost
  • 🛠️Troubleshooting
    • The SMS Blaster shows a success message in Excel, but the SMS are not actually sent
    • My SMS is marked as sent on my phone but the recipient does not receive it
    • Unable to click on buttons in the SMS Blaster
    • Pushbullet PRO Account Upgrade Issues
  • Resolving the “OLE Automation Error”
  • ⁉️FAQ
    • Why can't I find the Pushbullet app in the App Store?
    • How can I interrupt the sending process?
    • Can I also send MMS messages?
    • How much does sending SMS cost?
    • How many SMS messages can I send? Is there a limit?
    • Do I still need Pushbullet Pro if I have the SMS Blaster?
    • Does SMS Blaster work with my Excel version and mobile phone?
    • Can I view or modify the VBA code?
    • Do I need to register for A2P?
    • Can I send unlimited texts?
    • Can I use an eSIM?
    • How can I cancel my subscription?
    • How do I get a refund?
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  1. Troubleshooting

My SMS is marked as sent on my phone but the recipient does not receive it

Last updated 5 months ago

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If the SMS is marked as sent on your phone but the recipient does not receive it, this is often due to your mobile service provider blocking the messages. This issue can occur, particularly if you are using a prepaid line.

In such cases:

  1. Contact your mobile phone provider to check if your number has been flagged, blocked, or limited. Ask if they can increase your sending limit or provide details on any restrictions.

  2. Adjust the Random Delay Setting:

    • The SMS Blaster includes a default random delay to make bulk messages less conspicuous. You can increase this delay in the settings if necessary. However, note that longer delays will result in extended runtimes for bulk campaigns and may not guarantee delivery.

    Delay Settings Example:

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