Realme C21 Review – How to Extend the Battery Life of Your Realme C21 Smartphone


Currently, the Realme C21 has a lot to offer when it comes to features. It has a great camera, a 5.5-inch screen, and a battery life that you will be hard pressed to find elsewhere in this price range. This smartphone is also available at a very affordable price, making it a great option for anyone.

Screen size

Among the many smartphone models, the Realme C21 comes with a lot of features. It is also equipped with a high-quality display. The screen size is 6.5 inches with a resolution of 720 x 1600 pixels. This gives users an ideal viewing experience.

The Realme C21 comes with a powerful battery that provides good battery backup. It also has undergone stringent testing measures. The battery has been awarded the TUV Rheinland Smartphone High Credibility Certificate.

The Realme C21 also comes with a fingerprint scanner. It is built into the back of the device. It is fast and works without any errors. It also has a magnetic field sensor. The casing of the device has a fine texture and is made of matt plastic.

The Realme C21 comes with 4GB of RAM and 64GB of internal storage. It has a microSDXC slot, which gives users the option to expand the storage. The smartphone also comes with a dual SIM card slots.

Camera setup

Having a decent camera setup for your mobile is important. With Realme C21, you will be able to capture important moments in your life. The camera has a range of lenses that will allow you to take quality photos in good lighting conditions. You can also take 1080P resolution photos from both the front and back cameras. However, this camera system is still pretty basic.

Realme C21 comes with a rear camera that supports HDR and panorama. The first lens has a 13 megapixel resolution and f/2.2 aperture. The second lens has a 2 megapixel resolution and f/2.4 aperture. You can also choose from Grid Lines and Portrait Distortion Correction.

Realme C21 also supports Wi-Fi, Bluetooth 5.0 and GPS. The phone also comes with a physical fingerprint reader on the rear. You can also use the phone to capture 1080P videos at 30 frames per second.

The Realme C21 comes with a 6.5-inch HD+ display. The display has good viewing angles. The phone is equipped with IPS LCD technology.

Battery life

Having an affordable smartphone with great features can be a winning combination. With a 5000mAh battery, Realme C21 is expected to give you a full day of power backup. While this may sound impressive, you need to be aware that battery life can be affected by several factors, including phone software, hardware, and battery capacity. Here are some tips for extending the battery life of your phone.

First, check the battery usage. If you’re noticing low battery life, close the apps that are consuming your battery. You may also want to try out Battery Saving Mode, which limits the number of apps running in the background.

Secondly, you should turn off Wi-Fi and Bluetooth. While you’re at it, you may also want to turn on Auto-Brightness. In addition, you may want to turn on Dark Mode, which can darken the background of almost all apps.

Finally, the Realme C21’s battery is capable of fast charging. The charger is also capable of charging the phone from 30% to 100% in just two hours and forty-five minutes.


Among the latest entry-level smartphones from the brand, Realme C21 is an affordable mid-range device with good specs at a budget price. It comes with a powerful chipset and a 5000 mAh battery. Its price has dropped significantly over time and is now available at a price of Rs 7,999 in India. The device is available in two variants, 32GB and 64GB, in Cross Blue and Cross Black color.

The Realme C21 has an elegant geometric design. Its back is made of plastic, while the front features a full-view waterdrop notch. The smartphone also has a dual SIM slot. It is powered by a 2.3 GHz octa-core CPU. The device runs on Android v10.

The primary camera of Realme C21 features a 13 MP f/2.2 Wide Angle sensor. The camera has phase detection autofocus, 4x digital zoom, HDR, and touch-to-focus. The camera also supports Normal, Slo-mo, and HD video recording modes.

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