Microsoft Surface Duo is an upcoming smartphone by Microsoft. The phone is rumoured to come with a 5.60-inch touchscreen primary display. It also features a 5.60-inch touchscreen as its second display. Microsoft Surface Duo is expected to be powered by an octa-core Qualcomm Snapdragon 855 processor.

It is expected to sport a camera on the front for selfies.

Microsoft Surface Duo based on Android. It bears a glass body.

Connectivity options on the Microsoft Surface Duo are said to include Wi-Fi and USB Type-C. Sensors on the phone are rumoured to include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor.

Vivo Y31s smartphone was launched on 12th January 2021. The phone comes with a 6.58-inch touchscreen display with a resolution of 1080x2408 pixels. Vivo Y31s is powered by an octa-core processor. It comes with 4GB of RAM. The Vivo Y31s runs Android 11 and is powered by a 5000mAh battery.

As far as the cameras are concerned, the Vivo Y31s on the rear packs a 13-megapixel primary camera with an f/2.2 aperture and a second 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 8-megapixel camera on the front for selfies, with an f/2.0 aperture.

The Vivo Y31s runs Funtouch OS 10.5 based on Android 11 and packs 128GB of inbuilt storage. The Vivo Y31s is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Vivo Y31s measures 164.15 x 75.35 x 8.40mm (height x width x thickness) and weighs 185.50 grams. It was launched in Grey, Silver, and Red colours.

Connectivity options on the Vivo Y31s include Wi-Fi, GPS, Bluetooth v5.10, USB Type-C, 3G, and 4G with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, gyroscope, and proximity sensor.

HTC Desire 21 Pro 5G smartphone was launched on 13th January 2021. The phone comes with a 6.70-inch touchscreen display with a resolution of 1080x2400 pixels and an aspect ratio of 20:9.HTC Desire 21 Pro 5G comes with 8GB of RAM. The HTC Desire 21 Pro 5G runs Android 10 and is powered by a 5000mAh battery. The HTC Desire 21 Pro 5G supports Quick Charge 4+ fast charging.

As far as the cameras are concerned, the HTC Desire 21 Pro 5G on the rear packs a 48-megapixel primary camera with an f/1.8 aperture; a second 8-megapixel camera with an f/2.2 aperture; a third 2-megapixel camera with an f/2.4 aperture and a fourth 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 16-megapixel camera on the front for selfies.

HTC Desire 21 Pro 5G based on Android 10 and packs 128GB of inbuilt storage that can be expanded via microSD card. The HTC Desire 21 Pro 5G is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The HTC Desire 21 Pro 5G measures 167.10 x 78.10 x 9.40mm (height x width x thickness) and weighs 205.00 grams. It was launched in Mirage Purple and Star Blue colours.

Connectivity options on the HTC Desire 21 Pro 5G include Wi-Fi, GPS, Bluetooth v5.10, NFC, USB Type-C, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor.

Samsung Galaxy S21 Ultra smartphone was launched on 14th January 2021. The phone comes with a 6.80-inch touchscreen display with a resolution of 1440x3220 pixels at a pixel density of 515 pixels per inch (ppi). Samsung Galaxy S21 Ultra is powered by a 2.2GHz octa-core Samsung Exynos 2100 processor that features 3 cores clocked at 2.8GHz, 4 cores clocked at 2.2GHz and 1 cores clocked at 2.9GHz. It comes with 12GB of RAM. The Samsung Galaxy S21 Ultra runs Android 11 and is powered by a 5000mAh battery. The Samsung Galaxy S21 Ultra supports wireless charging, as well as proprietary fast charging.

As far as the cameras are concerned, the Samsung Galaxy S21 Ultra on the rear packs a 108-megapixel primary camera with an f/1.8 aperture and a pixel size of 0.8-micron; a second 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.4-micron; a third 10-megapixel camera with an f/2.4 aperture and a pixel size of 1.22-micron and a fourth 10-megapixel camera with an f/4.9 aperture and a pixel size of 1.22-micron. The rear camera setup has laser autofocus. It sports a 40-megapixel camera on the front for selfies, with an f/2.2 aperture and a pixel size of 0.7-micron.

The Samsung Galaxy S21 Ultra runs One UI 3.1 based on Android 11 and packs 128GB of inbuilt storage. The Samsung Galaxy S21 Ultra is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Samsung Galaxy S21 Ultra measures 165.10 x 75.60 x 8.90mm (height x width x thickness) and weighs 228.00 grams. It was launched in Phantom Titanium, Phantom Navy, and Phantom Brown colours. It features an IP68 rating for dust and water protection.

Connectivity options on the Samsung Galaxy S21 Ultra include Wi-Fi 802.11 a/b/g/n/ac/Yes, GPS, Bluetooth v5.00, NFC, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, barometer, compass/ magnetometer, gyroscope, proximity sensor, and in-display fingerprint sensor. The Samsung Galaxy S21 Ultra supports face unlock.

As of 15th January 2021, Samsung Galaxy S21 Ultra price in India starts at Rs. 105,999.