Your Xiaomi Redmi K40, with its stunning AMOLED display, powerful Snapdragon 870 processor, and excellent camera system, has been a reliable companion. If you're thinking about upgrading, The Big Phone Store offers a quick, easy, and rewarding way to trade in your device. Whether your phone is in perfect condition or has some wear and tear, we provide competitive prices and a smooth trade-in process.
Best Price Guarantee: We promise 100% of your quoted price or we’ll return your Redmi K40 at no cost—no hidden fees, just great value.
Instant Quote: Use our easy-to-use valuation tool to get a quote for your Xiaomi Redmi K40 in just seconds.
Eco-Friendly Trade-In: Trading in your device helps reduce e-waste and supports sustainable recycling, benefiting both you and the planet.
Trading in your Xiaomi Redmi K40 is a simple and hassle-free process:
Visit our Sell My Phone page, search for your Xiaomi Redmi K40, and provide some details about its condition. You’ll receive a competitive quote instantly.
Once you accept our offer, we’ll provide a pre-paid postage label. Pack your phone and drop it off at your nearest post office—no need to worry about shipping costs!
(Need more shipping options? We offer additional choices at checkout.)
As soon as we receive your phone and confirm its condition, we’ll process your payment the same day. Choose between a bank transfer or PayPal for fast, secure payment.
Cash or Credit Toward Your Next Device: Whether you're after cash or want to apply the trade-in value toward your next tech purchase, your Redmi K40 still holds value.
Support Sustainability: Even if your phone has seen better days, it can be refurbished or used for parts, helping reduce e-waste.
Upgrade Affordably: Use your trade-in value to lower the cost of your next device, making your upgrade easier on the budget.
Top Trade-In Prices: We monitor the market daily to offer the best possible trade-in value for your Xiaomi Redmi K40.
Trusted and Transparent Service: With decades of experience and a 5-star Trustpilot rating, we are known for our fair, honest, and reliable trade-in process.
Certified Pre-Owned Devices: If you're looking to buy, all of our pre-owned phones are fully tested and refurbished to meet the highest quality standards.
In-Store Option: Prefer to trade in person? Visit us at Unit 9, Waddens Brook Lane, Wolverhampton, WV11 3SF, Monday to Saturday, 9 a.m. to 5:30 p.m. Just bring your ID and proof of address for a seamless trade-in experience.
Before sending in your phone, make sure to:
Unlink all accounts and reset your phone to remove personal data.
Remove your SIM card before packing your device.
Clean your phone to ensure it’s in its best possible condition.
For added peace of mind, we offer a free Permanent Data Removal Service to securely wipe all personal information before trading in your device.
Corporate Volumes Welcome: If you're managing multiple devices for a business or public sector organisation, The Big Phone Store offers tailored trade-in solutions for large volumes. Our process ensures value, efficiency, and professionalism at every stage.
Trading in your Xiaomi Redmi K40 with The Big Phone Store is a fast, easy, and eco-friendly way to get value for your old phone. With competitive prices, fast payments, and a focus on sustainability, we ensure a smooth trade-in experience. Start your trade-in today and upgrade with confidence!
