# Assign SIM/Mobile Numbers Against Purchase

**YouTube:** [Import Serial numbers from Excel](https://www.youtube.com/watch?v=DdTZGsfCuxc)

## Import Serial numbers from Excel

This tutorial demonstrates how to **import mobile serial numbers (IMEI numbers) from an Excel file** in Logic ERP during the purchase process. This feature helps automate serial number entry, saving time and reducing manual errors.

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### **Objective of This Feature**

* Bulk import **mobile/IMEI serial numbers**
* Avoid manual entry of serial numbers
* Improve **accuracy and efficiency** in purchase entries
* Simplify **inventory tracking**

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### **Navigate to Serial Number Assignment**

* Go to **Purchase Menu**
* Open **Assign SIM/Mobile Numbers Against Purchase**

<figure><img src="/files/CjnF94c6syycAfOXzrCl" alt=""><figcaption></figcaption></figure>

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### **Select Purchase Voucher**

* Choose the **relevant Purchase Voucher** from the list.

<figure><img src="/files/qAUeipJLXCS7oBJDFGnL" alt=""><figcaption></figcaption></figure>

* Select the **items** for which serial numbers need to be assigned.

<figure><img src="/files/F8jltSB8EIIT1yGADmtw" alt=""><figcaption></figcaption></figure>

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### **Import Serial Numbers from Excel**

* Click on the **Excel Import Option**

<figure><img src="/files/e26WaozLyv6mjGTM0oJm" alt=""><figcaption></figcaption></figure>

* Browse and select the Excel file from your device

<figure><img src="/files/2QMIgyEla3EeB2b39sfN" alt=""><figcaption></figcaption></figure>

**Important Note**

* Ensure:
  * Serial numbers are properly formatted in Excel
  * Data is clean and without duplicates

**Automatic Assignment**

* Serial numbers will be:
  * **Automatically imported**
  * **Assigned to selected items**

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### **Key Benefits**

* Saves time in bulk serial number entry
* Eliminates manual input errors
* Ensures accurate **IMEI tracking**
* Enhances inventory management efficiency

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### **Best Practice Tips**

* Verify Excel data before importing
* Maintain correct serial number format
* Avoid duplicate entries

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### **Final Outcome**

* Mobile serial numbers are **successfully imported from Excel**
* Items are **accurately mapped with serial numbers**
* Purchase process becomes **faster and error-free**


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