# IMEI / Serial Number Wise Billing
**YouTube:** [Serial Number/IMEI wise billing for electronic goods](https://www.youtube.com/watch?v=v53GY_ALXGk)
## Serial Number/IMEI wise billing for electronic goods
This tutorial explains how to perform **IMEI/Serial Number-wise Billing** in Logic ERP. It covers both **purchase entry with serial numbers** and **sales billing using IMEI scanning**, ensuring accurate tracking of items like mobile devices.
***
### **Objective of This Feature**
* Track items using **IMEI / Serial Numbers**
* Ensure **accurate inventory control**
* Enable **quick billing via serial scanning**
* Improve **traceability of high-value items**
***
### **Create Purchase Entry with IMEI Numbers**
* Open **Purchase Voucher**
* Enter:
* Account Name
* Bill Number
* Bill Date
* Enter item
* System opens **Serial Number Entry Window**
**Manual Serial Entry**
* Define:
* Lot Number
* Quantity
* Enter **IMEI / Serial Numbers** one by one
> Note: If the setup doesn’t open in Purchase, go to **Purchase Voucher Configuration** and set **“Lot Number As”** to **“Serial Number.”**
For reference, please [Click Here.](/logic-erp-learning-hub-tutorials-and-best-practices/setups/configurations/purchase-voucher-configurations/other-settings-2/lot-no-as.md#how-to-configure-lot-numbers-in-purchase-for-various-business-scenarios-in-logic-erp-software)
***
### **Auto Generate Serial Numbers (Alternative Method)**
**Retrieve Purchase Voucher**
* Select existing **Purchase Voucher**
* Choose items for Serial Entry.
**Define Parameters**
* Press **F2 Key**
* Start Mobile Number
* Start Row
* Quantity
**System Behavior**
* Automatically generates **serial numbers for remaining items**
> **Note:** If you see the prompt **“Entry/Modification Not Allowed in this option”** while saving, go to **Global Admin → Other Options → Other Settings** and enable **“Mobile/Serial No. Entry Module.”**
***
### **Configure Sales for IMEI-Based Billing**
* Open **Sale Voucher Configuration**
* Select **Sale Bill Series**
* **Go to:** Other Settings 2
* **Set Item Code Column As** = Serial/Mobile Number
* Click **Save**
* **Important Note:**
* Go to **Sale Bill → Touch Screen Configuration**
* Open **Other Options → 1**
* Ensure the **Serial Number** option is checked
***
### **Create Sale Bill Using IMEI Scan**
* Open **Sale Bill Window**
* Scan or enter **IMEI Number**
**System Behavior**
* Automatically fetches:
* Item Details
* Rate
* Other configurations
***
### **Add Retail Customer (If Required)**
* Name
* Contact Number
**Create Customer**
* Save details to proceed
**Process Payment**
* Choose **Payment Option**
**Multiple Payment Modes**
* Example:
* Partial via **Card**
* Remaining via **Cash**
***
### **Key Benefits**
* Ensures **complete item traceability**
* Speeds up **billing through scanning**
* Reduces **manual errors**
* Ideal for **mobile & electronics businesses**
***
### **Best Practice Tips**
* Always verify IMEI numbers during purchase
* Use barcode scanners for faster billing
* Maintain accurate serial mapping
***
### **Final Outcome**
* Items are tracked **IMEI-wise from purchase to sale**
* Billing becomes **fast and automated**
* Inventory remains **accurate and traceable**
* Business operations become **more efficient and controlled**
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