This tutorial explains how to create invoices for previous dates in Phoneo Seller CRM using digital, fast, and secure billing. In this video, you will learn how to generate an invoice for an earlier date when a sale was done previously but billing was not created at that time. Phoneo allows mobile shop owners to select a previous date while creating an invoice, ensuring sales records, billing data, and reports remain accurate and properly maintained. This tutorial is useful for mobile shop owners who want to create backdated invoices for new phones, second hand phones, used mobiles, or accessories without affecting current stock accuracy. The video also explains best practices for handling previous date invoices, including correct date selection, GST or non-GST billing, and maintaining clean accounting records. Phoneo Seller CRM helps mobile retailers manage digital invoices, historical sales entries, customer records, and reports with full control and transparency. This tutorial is ideal for mobile phone shops, used mobile dealers, and retail stores that need a reliable way to generate previous date invoices for audit, accounting, or record correction purposes. Tutorial Type: Billing and Invoice Management Topic: Previous Date Invoice / Backdated Invoice Billing Type: GST and Non-GST Software Category: Mobile Shop Management CRM Target Users: Mobile Shop Owners, Retail Staff Business Use Case: Backdated billing and accurate record keeping. How to make previous date invoice Backdated invoice in mobile shop Previous date billing Old date invoice creation GST backdated invoice Non GST previous date billing Phoneo invoice tutorial.