NEW
Brand New: Never used and come with their full Australian Manufacturer's Warranty. Some might have been opened for quality checks, but they have never been activated.
EX-DEMO
Like New: 100% Fully Functional The device is in 'As New' condition with very faint to no marks on the device.
EXCELLENT
Minimal Sign Of Wear A refurbished device that is 100% fully functional Screen in good condition, with very minor scratches/scuffs not visible at arm's length.
VERY GOOD
A refurbished device that is 100% fully functional Scratches may be visible on the screen from arm's length, plus minor dents. Exceptional value.
We know that battery health is one of the biggest concerns for most people, and that's why we have the Mobile Monster Battery Health Guarantee.
Every device we sell is tested thoroughly though our Mobile Monster 72 Point Check process. As part of our 72-Point Check, we test the batteries of the device, to ensure that your device is still in its peak performance of at least 80% battery health.
Battery Health (min 80%)
Sensors
Microphone 
WiFi
Charger/Jack 
Carrier Signal
Speaker
Water Damage
Camera
Mobile Data
Screen
Bluetooth
Get the most out of your Netflix subscription with the beautiful 6.8-inch HDR 10+ 2x Dynamic AMOLED display on the Samsung S21 Ultra 5G. Your favourite show will look better than ever.
Turn your Samsung S21 Ultra 5G into your mobile canvas with its large 6.8-inch display and, for the first time on an S series phone, S Pen support. Draw, paint, take quick notes, and control your phone with the precision and elegance of the S Pen.
Enjoy an ultra-smooth scrolling experience without sacrificing your battery life with the adaptive display on the Samsung S21 Ultra 5G. This ultra phone’s refresh rate tops out at a buttery smooth 120hz and can go as low as 10hz when needed to save battery life.
Since we get so many questions about battery life, you will be happy to know that this Samsung has improved battery life compared to its previous predecessors it generally lasts an hour longer per day. With OzMobiles you also get a battery health guarantee for all of our used Samsung phones.
That’s not all that good about buying refurbished, it’s also good for your pocket, and the planet being up to 40% less than the cost of a new one. All of our used Samsung phones come locally sourced too, so you will get the real deal – no shonky aftermarket parts from Overseas sellers on random marketplaces. This Ultra phone's features and price point make it one of the most popular devices we sell and hard to find.
Zoom into the heart of the action with the amazing 100x space zoom on your Samsung S21 Ultra 5G. Take crisp and quality pictures and videos of your favourite superstars in concerts, events, etc. from anywhere in the hall.
Breeze through any task, app, or game with the ultra-capable Exynos 2100. With these cutting-edge processors, you can be sure of top-notch performance every day. With the cost of our second hand Samsung phones, you don’t need to feel as bad if you drop it but remember to purchase our extended warranty which covers you for a small fee if you happen to accidentally damage used Samsung phones bought at 0zmobiles.
Take beautiful, crisp, clear, and quality photos and videos with the incredible 108MP main sensor on this 6.8-inch beast. The versatility of this ultra phone’s camera system is next level. It packs a 12MP ultrawide, a 10MP 3x telephoto lens, and a 10MP 10x optical zoom, offering up to a 100x space zoom telephoto camera. and an astounding 108MP sensor. It’s safe to say, whatever the angle or distance, this superb camera system has you covered.
With the OzMobiles 72-point Blancco test to ensure 100% quality and peace of mind, our refurbished Unlocked Samsung S21 Ultra 5G has only genuine manufacturer parts and is locally sourced in Australia. All of our devices including our second hand Samsung phones come with a 12-month warranty as standard, but you can add on an extra 12 months warranty. At this price point, they won’t last long!
If you’re worried about warranty coverage, fret not! We cover manufacturing faults, both software and physical that may occur with your device, this includes battery performance issues. The length of the warranty period is 12 months from the purchase of the device.
Please note, however, that this does not cover any damage that is caused by mishandled use or liquid damage - so be careful! If you also get your device repaired by any unauthorised third party, this will void your warranty.
As an added plus, for the extra careful you, we also offer the Mobile Monster Extra Care for iPhones which gives you an additional 12 months of warranty coverage for your newly purchased iPhone. It offers the same coverage as our standard warranty, but for an additional 12 months so you can have peace of mind knowing you are covered.
All our devices come with 12 month Mobile Monster warranty for extra piece of mind.
If you’re worried about warranty coverage, fret not! We cover manufacturing faults, both software and physical that may occur with your device, this includes battery performance issues. The length of the warranty period is 12 months from the purchase of the device.
Please note, however, that this does not cover any damage that is caused by mishandled use or liquid damage - so be careful! If you also get your device repaired by any unauthorised third party, this will void your warranty.
As an added plus, for the extra careful you, we also offer the Mobile Monster Extra Care for iPhones which gives you an additional 12 months of warranty coverage for your newly purchased iPhone. It offers the same coverage as our standard warranty, but for an additional 12 months so you can have peace of mind knowing you are covered.
Simply add Mobile Monster Extra Care before purchasing your device, it's that easy!
Step into the wild world of second-hand phones! How can you tell if you're scoring a sweet deal? Easy peasy! Our prices reign supreme in the market. Spot a better offer? We'll crush it by $10! Get hyped for a phone-buying frenzy!
Battery health stressing you out? No worries, we've got your back with the Battery Health Guarantee! Every device we sell goes through our epic 72 Point Check process. And guess what? As part of this check, we meticulously test the batteries to ensure they're rocking peak performance with at least 80% battery health.
No warranty worries at Mobile Monster! We cover manufacturing faults, software, and physical issues, including battery performance. Warranty lasts 12 months from purchase. Note: Mishandled use, liquid damage, or unauthorized repairs void warranty.
We've got you covered if your device isn't up to par, doesn't match the description, or if you've had a change of heart. Check out our awesome options available within 30 days of purchase
The Mobile Monster Circular Economy
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Why Use Us
✓ Price Match Guarantee
✓ Sell multiple devices
✓ Risk free service
✓ Drop-off option
✓ FAST 24-HOUR payment
✓ Your privacy is SAFE
How It Works
- Select your phone, condition, and quantity
- Fill In Your Details
- Send us your phone and receive fast payment!
Who We Are
Mobile Monster provides a simple and easy way for you to sell and trade in your phone for cash. We pay cash for working and non-working smartphones and iPhones.
