realme C21 Black


Triple camera. Real Quality 


Detailed Feature Description (To be used in the ‘Features’ tab) 

Triple Camera. Real Quality. Equipped with a 5000mAh massive battery that guarantees all day play, the fun never has to end with the realme C21! The 89.5% screen ratio, coupled with an impressive 6.5” mini-drop full screen, provides an experience that is both easy on the eye and seamless with every swipe. And with a 13MP AI triple camera, snap away selfies or scenery before testing out multiple effects that push the creative boundaries. The entertainment opportunities are endless on the realme C21.  

5000mAh Massive Battery - Big battery for endless entertainment

Equipped with a 5000mAh massive battery, there’s plenty of opportunity to do more with the realme C21. Whether streaming videos, immersing in the latest video games, capturing all the content desired or scrolling through social media, say goodbye to battery drain and explore the potential of this device with zero interruptions all day long.  


6.5” Big Screen – See more, do more  

The realme C21 has a 89.5% screen ratio, offering up a display that's both easy on the eye and seamless with every swipe. The device also houses an impressive 6.5” mini-drop full screen, which is one of the biggest on the market, making this device the perfect choice for the gamers and content creators among us.  


Instant Fingerprint Sensor - Faster control, better security  

The days of remembering passwords are long gone with the realme C21. Supplying an instantaneous fingerprint sensor, the device can be unlocked in a flash. And, with this added functionality, convenience and security is an ease. 


13MP Triple Camera - Triple the lens, triple the fun  

Explore your photography skills with the realme C21. Supporting an impressive 13MP AI Triple camera, there are plenty of ways to experiment with content creativity. The triple primary, macro and mono lens, coupled with multiple effects including night mode, panoramic view, portrait mode and timelapse, means users can capture all the content they desire.  


NFC Enabled - Google Pay Activation  

The realme C21 is NFC enabled, allowing users to activate Google pay with a single tap. With this feature, paying for everyday items has never been easier.  


realme UI - Clean, light and smooth UI  

The realme UI offers up a richly-designed and high performance operating system based on Android 10. This clean and light UI experience comes with the latest quantum animation engine to improve the screen fluency. And, including Simple Mode for a clearer layout, larger fonts and icons, the realme C21 is an ideal option for those users who need an interface that has comfortable navigation. 


Helio G35 Gaming Processor 

Providing enhanced power, smooth performance and latency optimisation, the user experience caters to the many needs of Aussies, from scrolling socials, through to playing the latest games and snapping away content for days.  


Two Card Slot - Expandable storage 

Equipped with a separate card tray for a Micro SD card, gain the benefits of 256GB expandable storage. Whether a photographer looking to capture impressive images or a gamer seeking all day every day entertainment, the realme C21 can handle all storage needs. 


*Micro SD card to be purchased separately 

Delivery for ‘Metropolitan’ areas unless for unseen circumstances i.e. no severe/major traffic issue should be as stated below

  • Within 24 hours if orders are placed and paid for before 12:00pm* **
  • Within 48 hours for orders placed and paid for after 12:00pm* **

*It is recommended to place your order and make full payment before 10am if you want to secure a delivery time within 24 hours.

**Exceptions apply e.g. Delivery is possible after 6pm until 8pm for VIC

Delivery for ‘Regional’ areas unless for unseen circumstances i.e. no severe/major traffic issue should be as stated below:

  • Within 48 hours if orders are placed and paid for before 12:00pm* **

*Times are not guaranteed although all efforts are made to deliver within given timeframes. In regional areas, it may take up to five days or more for deliveries. 

**In some circumstance, extra delivery services may be required

Placement and fulfilment of orders:

The Retailer may place an order for Products in accordance with the ordering procedures notified by PrePaid Services (PPS) from time to time:

(b) PPS will deliver the ordered Products to the Retailer to the address specified in the order, unless otherwise agreed by PPS.

(c) PPS will use its reasonable endeavours to inform the Retailer if it becomes aware that it is unable to deliver the Products within a reasonable time.

(d) If PPS has not supplied ordered Products within 30 days after the date of the order, the Retailer (as its sole remedy) may cancel the order for those Products by notice in writing to PPS.

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The Optus 4G Plus network is available in all capital cities and hundreds of metro, regional and holiday towns with a compatible device and plan. Coverage varies by device. Check coverage at

Unlocking fees may apply for Prepaid phones and tablets. For unlocking fees, see

Android™ is a trademark of Google Inc.

Coverage: With 3G devices you are able to access our 3G (2100Mhz/900Mhz) Network. With 4G devices and a compatible plan, you are able to access our entire 3G Network and 4G Network (1800Mhz). With 4G Plus devices and a compatible plan, you can access all areas of the Optus Network, including our 3G, 4G & 4G Plus (2300Mhz) Networks. For detailed coverage maps see

Compatibility: If you bring your own device, make sure it's not locked to other networks and is compatible with the Optus network. Refer to your device user guide for specifications.

SIM Starter Kits: Credit expiry and included value will depend on your plan. 

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Any warranty or guarantee offered on our goods or services is in addition to your other rights and remedies as a consumer under Australian law, including those available under the Australian Consumer Law. For example, exceptions apply to cancellation fees if you terminate in accordance with our warranty or guarantee offered on our goods or services or in accordance with your statutory rights including the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

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