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# Understanding CAMTEL and YooMee Bundle Activation on Switchn

When activating a CAMTEL or YooMee data bundle on Switchn, the process involves two distinct steps:
1. **Airtime Transfer:**
    * First, Switchn sends airtime directly to your CAMTEL or YooMee SIM card.
2. **Bundle Activation:**
    * Next, Switchn automatically converts this airtime into the requested data bundle.
**What if the activation fails?**
If the bundle activation step fails due to technical issues with CAMTEL or YooMee:
* The airtime remains safely on your SIM card.
* No refund is possible because the airtime has already been successfully delivered.
**How to retry bundle activation:**
You have two easy options to retry activating your bundle:
1. **History Page:**
    * Open the Switchn app.
    * Navigate to the **History** page.
    * Find the transaction and tap **"Retry Bundle Activation"**.
2. **Convert Airtime:**
    * Use the **"Convert Airtime"** feature in the Switchn app.
If you continue experiencing issues, please contact our support via WhatsApp: [WhatsApp Support](https://wa.me/237655154248)
Thank you for your patience and understanding.