Samsung Galaxy A21s features a 6.5-inch (720×1600 pixels) resolution with an in-display fingerprint sensor. It is powered by an Octa-core processor, which is powered by Exynos 850. There is up to 4GB of RAM and 64GB of ROM of inbuilt storage, and a microSD card dedicated slot as well.
The A51 is equipped with a quad-camera system, so you can shoot with more perspective. Get ultrahigh resolution photos with its 48MP main camera for crisp and clear pictures day or night. Its 12MP ultrawide camera captures much more in the frame, so nothing is cut out while its 5MP macro camera takes high-res close-up photos. Its 5MP depth camera brings your subject into focus and reduces unwanted background noise from your images for a more professional look. Moreover, the A51’s 32MP front-facing camera takes your selfies to a whole new level and gives you more clear and in-depth face pics.
GSM / 4G LTE Wireless Connectivity
This phone is designed to work on select GSM networks and is 4G LTE capable. LTE is an advanced cellular network data protocol capable of data speeds so fast that they compete with wired broadband Internet providers. With an LTE connection, this phone should have no problem streaming HD video, downloading apps, uploading photos, or anything else that requires a high-speed data connection.
GSM / CDMA / HSPA / EVDO / LTE
LAUNCH Announced 2018, September
Status Available. Released 2018, October
BODY Dimensions 150.9 x 75.7 x 8.3 mm (5.94 x 2.98 x 0.33 in)
Weight 194 g (6.84 oz)
Build Front/back glass, aluminum frame (7000 series)
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) – for China
IP67 dust/water resistant (up to 1m for 30 mins)
Apple Pay (Visa, MasterCard, AMEX certified)
DISPLAY Type IPS LCD capacitive touchscreen, 16M colors
Size 6.1 inches, 90.3 cm2 (~79.0% screen-to-body ratio)
Resolution 828 x 1792 pixels, 19.5:9 ratio (~326 ppi density)
Protection Scratch-resistant glass, oleophobic coating
Wide color gamut
120 Hz touch-sensing
PLATFORM OS iOS 12, upgradable to iOS 12.4
Chipset Apple A12 Bionic (7 nm)
CPU Hexa-core (2×2.5 GHz Vortex + 4×1.6 GHz Tempest)
GPU Apple GPU (4-core graphics)