Phone and appliance bills get kept for warranty claims, so a letterhead with room for the IMEI or serial number next to the invoice details saves an argument later.
What to include
- Shop name, logo and the brands you sell or service
- GSTIN for invoices
- Address, phone and store timings
- Space for invoice number, IMEI/serial number and warranty period
Where it is used
- Retail invoices for phones, accessories and appliances
- Warranty and repair service bills
- Letters to brand distributors
Why Sahayak Docs
- Free — every design and download, no sign-up, no watermark
- Ready-made designs for your industry, editable down to every element
- PDF letter pads in A4, A5, A3, Letter and Legal, plus header & footer PNGs
- Works in the browser on computer, tablet and phone
Frequently asked questions
Can I add space for IMEI or serial number?
Yes — the letter pad’s blank writing area is where the invoice table, including IMEI or serial number, goes.
See electronics shop letterhead designsor read: How to make a professional letterhead (step by step)