Know Your SIM

How to activate your Postpaid SIM

Published on: Dec 03, 2025

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How to activate your Postpaid SIM How to activate your Postpaid SIM

SIM card activation is an integral part of any mobile network connection request. If you have recently ordered a Vi SIM, either a physical SIM or an eSIM, activation is mandatory before you can begin making calls, sending SMS, or using data.

Whether you are activating your SIM for a new connection, replacing a lost or damaged SIM, switching to Vi postpaid, or upgrading to an eSIM, the Vi activation process is simple and quick.

In this guide, you’ll learn how to activate Vi SIM using multiple methods: SMS, phone call, doorstep delivery, or at a Vi store. We’ll also explain how to activate an eSIM and how to reactivate an old or deactivated SIM.

How to Activate Your New Vodafone Idea (Vi) SIM Card

When you order a new Vi SIM online or purchase it from a store, you must activate your SIM to begin using Vi network services.

Activate Vi SIM Card via SMS

Looking for how to activate Vi SIM, especially when upgrading or replacing an old SIM? Here is how you can do it via SMS.

Follow these steps:

  1. Open the Message/ SMS app on your Android or iPhone.
  2. Type the SMS in the following format:  SIMEX <19 or 20-digit SIM card number>
  3. Send the SMS to 55199.
  4. You will receive a confirmation SMS with the last 6 digits of your SIM missing.
  5. Reply to that SMS with the last 6 digits of your SIM number within 2 hours.
  6. Your SIM will be activated within 20 minutes.

Activate Your Vi SIM via Phone Call

If you prefer to verify your identity using a phone call, follow these steps:

  1. Open the Phone/ Dialler app.
  2. Dial 59059, as this is the official Vi SIM activation number.
  3. Follow the instructions.
  4. Enter or verbally confirm your identification details (as requested).
  5. Your SIM will be active within 24 hours.

Activate Vi SIM Card by Visiting the Nearest Vi Store

If you are not able to activate using SMS or phone call, or you need assistance (lost SIM, damaged SIM, changing ownership):

  1. Locate your nearest Vi Store using the store locator on the Vi website.
  2. Carry your Aadhaar card/ valid ID proof.
  3. Request the store executive to assist with activation.
  4. The executive will authenticate your documents and complete manual activation.

This method is recommended when you are replacing a lost or stolen SIM.

How to Activate Vi eSIM

An eSIM (embedded SIM) is a digital SIM built into your smartphone, with no need for a physical SIM card. Vi supports eSIM for both Android and iPhone models. If you have purchased a postpaid plan, Vi postpaid SIM activation via eSIM is extremely convenient, eliminating physical delivery.

For Android Devices

  1. Send “eSIM” to 199
  2. You will receive a confirmation SMS. Reply with "ESIMY" to confirm.
  3. After a quick verification call, a QR code will be sent to your registered email ID.

Add eSIM on Android:

  • Ensure Wi-Fi or mobile data is ON.
  • Go to Settings → Network & Internet → Mobile Network → Add Carrier.
  • Scan the QR code.
  • Your eSIM will activate within 30 minutes.

For iPhone Devices

  1. Text eSIM to 199 from your device.
  2. Reply with "ESIMY" to confirm.
  3. After verification, Vi will send a QR code to your registered email.

Add eSIM on iPhone:

  • Ensure Wi-Fi or data is enabled.
  • Go to Settings → Mobile Data → Add Data Plan.
  • Scan the QR code.
  • Activation completes within 30 minutes.

Vi eSIM activation is quick and eliminates physical SIM handling.

How to Activate a Previously Deactivated Vi SIM

SIMs get deactivated due to inactivity (no calls/SMS/data usage for over 90 days) or other reasons. Here are your reactivation options:

Contact Vi Customer Care

  1. Dial 199 from another Vi number or 1800-123-1234 from any non-Vi number.
  2. Inform that you want to reactivate your Vi SIM.
  3. Provide your identification details (Aadhaar/ registered info).
  4. Follow the steps as guided by the customer support agent.

Customer care will process the reactivation request.

Visit a Vi Store

  1. Take a valid ID proof and your deactivated SIM card.
  2. Visit your nearest store.
  3. Ask the Vi representative for reactivation.

Conclusion

Activating your Vi SIM card, whether it’s a new postpaid connection, an upgraded SIM, or an eSIM, is a simple and streamlined process designed for user convenience. With multiple activation options, including SMS, phone call, doorstep verification, customer care support, and store assistance, Vi ensures that every customer has a smooth start to their mobile experience. Activation is free of cost and mandatory before you can enjoy calling, texting, and high-speed data services. Whether you choose the quick SMS-based method or visit the nearest Vi store, your SIM will be ready for use quickly. Follow the steps carefully, keep your ID handy, and enjoy a seamless mobile experience with Vi.

"Enjoyed this post? Dive deeper into the world of postpaid services with our other articles -learn How Postpaid Works and What Are The Benefits of Postpaid SIM, or discover how you can Get Unlimited Data with a Vi Postpaid Add-on Data Pack for even more connectivity perks!"

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