Sell My Samsung Galaxy A21s

Samsung Galaxy A21s Trade-In at The Big Phone Store

Got a Galaxy A21s you’re no longer using? 💸 Trade it in today with The Big Phone Store and turn it into quick cash! With free tracked postage and no hidden fees, our process is simple and hassle-free. 🚀 Start your trade-in today! 🔄💰

Why Trade In Your Samsung Galaxy A21s with The Big Phone Store?

The Galaxy A21s is a great device, and trading it in is the smart way to get value from your unused tech. Whether it’s Like-New, lightly used, or shows signs of wear, we’ll offer a competitive price based on its condition.

With over 25 years of experience in the UK tech trade-in market, The Big Phone Store is trusted for reliable service, fast payments, and a seamless process.

How to Trade In Your Galaxy A21s

Trading in your Galaxy A21s is as easy as:

1. Get an Instant Quote: Search for “Galaxy A21s” on our trade-in page and answer a few quick questions about its condition.

2. Send Your Phone: Use our free tracked postage and secure packaging, which are provided at no cost to you.

3. Inspection: Once your phone arrives, we’ll inspect it to ensure it matches your description.

4. Get Paid: Choose between bank transfer or PayPal, and receive your payment quickly.

Why Trade In Your Galaxy A21s?

• Fast Cash: Turn your device into money for upgrades or other purchases.

• Eco-Friendly Choice: Help reduce e-waste by giving your phone a second life.

• Hassle-Free Process: We take care of everything, so you don’t have to.

Why Choose The Big Phone Store for Your Trade-In?

• Same-Day Payments: Devices received before 12 p.m. (Mon–Fri) are inspected and paid the same day.

• Trusted Experts: With decades of experience, we’re a reliable partner for tech trade-ins.

• Sustainability Commitment: All devices are refurbished or responsibly recycled to minimise environmental impact.

• Fair Valuations: Our prices are competitive and based on current market trends.

• Top-Rated Service: Proudly endorsed by Which? and MoneySavingExpert for value and reliability.

Preparing Your Galaxy A21s for Trade-In

Follow these steps to get your phone ready for trade-in:

1. Back-Up Your Data: Save all important files, photos, and contacts to the cloud or an external device.

2. Log Out of Accounts: Sign out of your Google and Samsung accounts to avoid delays.

3. Factory Reset Your Device: Remove all personal data and restore the phone to factory settings.

4. Clean Your Phone: A quick wipe can make it more presentable for inspection.

Checking Your Galaxy A21s’ Condition

To get the best price, review your phone’s condition:

• Physical Condition: Look for cracks, scratches, or signs of wear.

• Battery Health: Devices with a strong battery often receive higher valuations.

• Storage Capacity: Phones with larger storage sizes typically fetch better prices.

Providing accurate details ensures you receive the best price without delays.

Reset Instructions for Your Galaxy A21s

To factory reset your Galaxy A21s:

1. Go to Settings > General Management > Reset > Factory Data Reset.

2. Confirm your choice and let the reset process complete.

Can I Trade In a Broken Galaxy A21s?

Yes! We accept broken Galaxy A21s devices, including those with cracked screens, faulty batteries, or other issues. Even if the phone can’t be refurbished, we’ll recycle it responsibly. Visit our Sell My Broken Phone page for a quick valuation.

Payment Options

We offer flexible and secure payment methods:

• Bank Transfer: Receive your payment directly into your bank account.

• PayPal: A fast and convenient option for online payments.

• Store Credit: Use your trade-in value toward upgrades or accessories.

How Long Does the Trade-In Process Take?

• Trade-Ins Before 12 p.m. (Mon–Fri): Payments are processed the same day, with funds clearing the next working day.

• Trade-Ins After 12 p.m.: Inspection is completed the next working day, and payments follow soon after.

• PayPal Payments: May take up to 24 hours to clear.

Most trade-ins are completed within 2–3 working days. For more details, check our Terms & Conditions.

Trade in Other Mobile Phones & Devices

Ready to clear out your old devices? At The Big Phone Store, you can sell my phone in just a few clicks and get paid fast. 

Whether you're upgrading or simply decluttering, we offer a hassle-free phone trade-in process with competitive prices and free shipping.

Trade In Today, Upgrade with Certified Refurbished Devices

Upgrading after your trade-in? Explore our range of refurbished phones, including top picks like refurbished iPhones, other Apple refurbished & refurbished samsung products. 

All devices are tested, restored to full working order, and backed by a warranty, giving you top performance without the high price. Sell smart, shop refurbished, and save big.

Which Galaxy Models Can You Sell?

If you’ve upgraded to the latest Galaxy, don’t let your old one gather dust. Trade it in for the best price today! We offer fast payments, free delivery, and data-safe processing for every trade-in.

Start by selecting your model below:

🔁 Want to Trade In Something Else?

Browse our full Samsung Trade-In Hub or explore the complete Trade-In Catalogue for more phone models and fast trade-in offers.

Looking to Sell Your Samsung Device?

Here are some models we accept:
Sell Samsung Galaxy A20e
Sell Samsung Galaxy A20s
Sell Samsung Galaxy A21
Sell Samsung Galaxy A22 5G
Want to explore all Samsung selling options? Visit our Sell My Samsung page or view the full Trade-Ins Collection .