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Selling Your Phone Made Easy—Express Shipping Covered for Free! Canstar Blue Award Winner 2024 - Best Rated Trade-In Company 3640+ Google Reviews
Selling Your Phone Made Easy—Express Shipping Covered for Free! Canstar Blue Award Winner 2024 - Best Rated Trade-In Company 3640+ Google Reviews
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Mobile Guru

Australian Owned

Australian Owned

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Get Real Cash

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Free Express Shipping

Get Paid in 24h

Get Paid in 24h

Sell Samsung Galaxy S21 Ultra 5G
Home/Samsung Phones, Samsung Galaxy S21, Sell Samsung S Series/Sell Samsung Galaxy S21 Ultra 5G
Sell My Samsung Galaxy S21 Ultra 5G
5
Award Winning Mobile TradeIn Company By Canstar Blue 2024 By Product Review 2025
Mobile Guru USP
Australian Owned
Same day Payment*
Free Express Shipping Australia Post

Sell Samsung Galaxy S21 Ultra 5G

($10 - $240)
Storage
128GB
256GB
512GB
Condition
Mint

Good

Fair

Faulty/Dead

Clear selection

How Our Samsung Galaxy S21 Ultra 5G Trade In Process Works

We have a simple 3-step Samsung Galaxy S21 Ultra 5G trade-in process designed to save you time and hassle:

Get Your Quote

Select from various options given on-screen and choose its condition. You will instantly see the trade-in value offered.
Step 1

Send Your Device
Send your Samsung Galaxy S21 Ultra 5G securely by using Auspost or drop it at a our location for assessment.
Step 2
Receive Payment

After we confirm on your Samsung Galaxy S21 Ultra 5G condition, your payment will be processed within 24 hours*.
Step 3

Get the Highest Possible Quote when Selling Your Samsung Galaxy S21 Ultra 5G

We pay the highest possible price to you for selling your Samsung Galaxy S21 Ultra 5G. Every device is checked by our team to confirm its condition, and the quote you receive is honoured in full. There are no hidden fees and no last-minute changes; only clear, reliable payment for your device.

FAQs

Our team inspects every Samsung Galaxy S21 Ultra 5G against the condition you selected when requesting a quote. We inspect the screen, body, battery, and internal functions to ensure they match the provided description.

Learn how we verify the conditions of your device.

Yes, every shipment comes with a tracking number so you can follow your package until it reaches us safely.

You will receive the payment within one business day after we confirm the condition of your Samsung Galaxy S21 Ultra 5G.

The value depends on the type and extent of damage. Even damaged Samsung Galaxy S21 Ultra 5G are accepted, and we’ll revise our offer after assessment if needed.

Yes, Mobile Guru’s Samsung Galaxy S21 Ultra 5G trade in offer lets you sell a device for instant cash. Unlike traditional trade in programs, we pay instant cash—there’s no store credit or waiting involved.

Yes, we buy Samsung Galaxy S21 Ultra 5G devices with battery problems. Please remember that the initial quote may be revised depending on the severity of the issue.

Yes, repaired or refurbished Samsung Galaxy S21 Ultra 5G are accepted, provided they are fully owned and not locked

Yes, water-damaged Samsung Galaxy S21 Ultra 5G devices are also accepted. The quote will be revised depending on the level of the damage.

Yes, light wear, such as scratches, small dents and cracked back glass condition, is acceptable. The trade-in value of your Samsung Galaxy S21 Ultra 5G will be adjusted based on the overall condition of the device.

Yes, absolutely. Our Samsung Galaxy S21 Ultra 5G trade in process gets you quick cash for your phone, no matter its condition.

Voices of Satisfaction: Customer Reviews That Shine

Discover how easy selling phones can be through the words of people who have already sold to Mobile Guru.

Why Sell with Us?

Award Winning Mobile Trade In Company By

Canstar Blue
Canstar Blue 2024
Product Reviews 2025
Product Review 2025
Sell Mobile with Australian Owned Company

Australian Owned and Operated

Sell old mobile and beatable price

We Beat Any Price by $20*

Sell your mobile and get free postage

Free Express Shipping
Australia Post

Best Google Reviews Rated Trade In Service
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Hear From Our Customers!

Reduce Electronic Waste By
Encouraging Reuse

There are more than 23 million unused phones in Australia. Your old device can always be used by someone else

SELL NOW ​

Any Questions? Read Our FAQ

Selling your phone with Mobile Guru is quick and easy. Once you select your device model, storage, and condition on our website to get an instant quote, send it in using our free Express Shipping label or drop it off locally. After it’s inspected, we process the payment within 24 hours.

Your phone’s value depends on the model, storage size, condition, and current market demand. Pop your device details into our website for an instant quote based on the information provided.

Your quoted price is locked in for 14 days once you submit your sell order, so you’re all good there. If the phone matches the condition you selected, you’ll get the quoted amount. If not, we’ll flick you a revised offer after inspection, and you can decide what to do next.

Yes, we accept phones with cracked screens, battery issues, software faults, or even devices that won’t turn on. Make sure you’re upfront about the condition when getting your quote so there are no surprises.

It’s a pretty quick turnaround. Get your quote instantly and send your phone with our free Express Shipping. Once your device is checked over, the payment usually lands within 24 hours. Easy as.

Once your phone passes inspection, we’ll process your payment within 24 hours via bank transfer or PayPal. You can choose your preferred method when placing the order.

Yes, it’s all safe and above board. Mobile Guru is a licensed Australian second-hand dealer (SHD-0016601) with a secure process from start to finish. Your data is properly wiped during inspection, so you’re covered.

Before sending it off, back up your data, sign out of your iCloud or Google accounts, remove your SIM card, and do a factory reset. That way, everything’s sorted, and your info stays safe.

Nope, shipping’s on us. We’ll send you a free Australia Post Express label, or you can drop it off if that works better. We’re located at 36 Park St, South Melbourne.

No stress at all. If you don’t accept the revised offer, we’ll send your phone back to you free of charge, no dramas.

Once we receive your phone, our team inspects it carefully and refurbishes eligible devices for resale. Anything that doesn’t meet resale standards is responsibly recycled to help reduce e-waste. You can also browse our range of quality refurbished devices at Mobile Guru.

Yep, you can track it the whole way. We’ll send you the tracking details with your free Express Shipping label. If you need updates, our support team is always happy to help.

We use AusPost Express Shipping, which is generally pretty reliable. If something goes wrong in transit, just get in touch with our support team, and we’ll work with Australia Post to sort it out.

Nope, you don’t need the box, charger, or cables to get paid. Quotes are based on your phone’s model, storage, and condition. If you include accessories, we can recycle them responsibly for you as well.

No stress. Every device goes through a professional data wipe during inspection. If your phone is still linked to an account, we’ll reach out and help you get it sorted so we can process your payout.

No worries, first use the search bar to double-check. If you still can’t find it, give us a call on 1300 362 017 or email hello@mobileguru.com.au. We buy a wide range of tech and can usually sort a fair custom quote.

Once your device is checked at our Melbourne hub, payment is usually processed within 24 hours. You can choose to get paid via bank transfer or PayPal when placing your order.

Yes, Mobile Guru is 100% Australian-owned and operated. Our head office and main processing centre are based in South Melbourne, and we’re a licensed Second-Hand Dealer (SHD-0016601). Everything is handled locally by our team.

We’ll beat any genuine written trade-in quote by $20. Just make sure it’s from a legitimate Australian business, for the same model and condition, and dated within the last 7 days. Send us the quote or screenshot, and we’ll take care of the rest.

It’s a simple three-step process.

  • Get an Instant Quote: Search your device using the bar or browse by model. Select storage and condition to see your live offer.
  • Send Your Device: Create a Sell Order, and we’ll email you a free Australia Post Express label for shipping the device to our Melbourne hub.
  • Get Paid: Once we check your device, payment is usually processed within 24 hours via bank transfer or PayPal.

To keep your quote accurate, match your phone to one of these four conditions:

  • Brand New: Factory-sealed, never opened, activated or contract-free.
  • Mint: Like new, no visible marks
  • Good: Light scratches from normal use
  • Fair: Noticeable wear, but fully working
  • Faulty/Dead: Cracked screen or hardware issues

Not 100% sure? No stress, we’ll check it when it arrives. If anything doesn’t match, we’ll send a revised offer. If you don’t want to go ahead, we’ll return your phone free of charge.

Yes, your data is safe. We recommend doing a factory reset before sending your device. If you forget, no worries, every phone is professionally data-wiped during inspection to make sure your personal info is fully removed.

Yes, you can! Add each device to your order, and you’ll get a single prepaid shipping label for everything. For bulk orders (5+ devices or over $5,000), get in touch with us on 1300 362 017 for a custom quote and priority processing.

Yes, Mobile Guru is a fully Australian-owned business with a Second-Hand Dealer Licence (SHD-0016601). Everything is handled locally and securely, with thousands of positive reviews from customers across Australia.

Absolutely. You get competitive pricing, a Price Beat Guarantee (we’ll beat any genuine quote by $20), free express shipping, and fast 24-hour payment after inspection. It’s a simple way to get value without the hassle.

Your quote is locked in for 14 days. As long as your device arrives within that timeframe and matches the condition you selected, your price stays the same.

We don’t do traditional trade-ins or store credit. Instead, you sell your phone for cash and can use that money however you like, including buying a refurbished device from Mobile Guru if you’re upgrading.

Once your device is received and inspected, payment is usually processed within 24 hours via bank transfer or PayPal, depending on your selection.

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ABOUT US

Mobile Guru is a 100% Australian owned business and a licensed second hand dealer (SHD-0016601) dedicated to the full lifecycle of your tech. Whether you are selling through our Buy Back Program or purchasing from our expertly refurbished range, we provide a secure and sustainable way to access high-quality devices with Australia’s first 24 month warranty.

Second Hand Dealers License:
SHD-0016601

INFORMATION

SELL NOW

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Contact Details

© Copyright | All Rights Reserved |

Mobile Guru is a 100% Australian owned business and a licensed second hand dealer (SHD-0016601) dedicated to the full lifecycle of your tech. Whether you are selling through our Buy Back Program or purchasing from our expertly refurbished range, we provide a secure and sustainable way to access high-quality devices with Australia’s first 24 month warranty.

Contact Details

Second Hand Dealers
License: SHD-0016601

© Copyright – | All Rights Reserved

Sell My Samsung Galaxy S21 Ultra 5G
Sell Samsung Galaxy S21 Ultra 5G
Please Select Options
$10 – $240
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