Samsung Galaxy S20

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• Smartphones (Global Market)
• Smartphones (Russian market)

2022: A dangerous vulnerability that allows you to gain full control over the device

On April 6, it became known that specialists from a company Kryptowire specializing in mobile safety and privacy found serious vulnerability in some models. phones Samsung The vulnerability CVE-2022-22292 was discovered in the phone application.

Vulnerabilities are subject smartphones to management,, Android 9 10 11 and 12. In particular, in the flagship smartphones Samsung S21 Ultra 5G and Plus S10 and budget. Samsung A10e More. here

2021: Correcting errors in cryptographic key storage protection

On February 25, 2022, it became known that the Galaxy S8, Galaxy S9, Galaxy S10, Galaxy S20 and Galaxy S21 phones unreliably store cryptographic keys.

Samsung has been alerted to this issue and released a number of fixes between August and October 2021.

Source: www.samsung.com

Researchers at Tel Aviv University have discovered problems with how the phones of the models listed above store cryptographic keys through the ARM TrustZone system.

A vulnerability (CVE-2021-25444) in devices allows cybercriminals to gain access to encryption information that the phone must protect using special equipment.

Samsung smartphones have a tiered environment surrounding the TrustZone (or TZOS) operating system, which works in conjunction with Android and performs cryptographic functions.

Ideally, protection should be sufficient, but how cryptographic functions were implemented inside TZOS was a weak, poorly designed link in the security chain. ^[1]

2020

Samsung promised to return half the cost of the Galaxy S20

Samsung has launched an attraction of unprecedented generosity. The company promises to buy out the Galaxy S20 smartphone for half the cost two years after use, paying with real money rather than a discount on the new one. Depending on the modification, it will be possible to get from $500 to $800. In addition to the obvious condition - not earlier than two years later, there are several important restrictions. Of course, the smartphone should be in "good" condition - fully functional, with an entire screen, without serious scratches and chips. But the most important thing is that the smartphone should be bought directly from Samsung through the Samsung website^[2].

The ability to add a buyback option appears only at the very end of the purchase process smartphone on the Samsung website. Moreover, at the moment the option is available only to the North American market. There is an opinion that if this has a positive effect on the sales of the Galaxy S20, then the share may be extended to other markets. And, of course, when buying a smartphone from any retail network or operator, no buyback program is offered. And the classic trade-in involves paying not with money, but with a discount on the purchase of another smartphone.

Announcement

On February 11, 2020, the official presentation of the flagship smartphones Galaxy S20, S20 + and S20 Ultra from Samsung took place. One of the notable innovations is the Space Zoom function , which combines hybrid optical zoom and digital zoom using artificial intelligence. On S20 and S20 +, the image can be enlarged by 30 times, on S20 Ultra - by 100 times.

 The S20 has two wide-angle 12-megapixel cameras built in , as well as a 64-megapixel telephoto lens. The S20 + also additionally has a camera built in to capture 3D objects . The S20 Ultra has two  12 and 108 megapixel wide-angle cameras , as well as a 48 megapixel telephoto lens. The phones support 8K video recording.

In Multi-frame mode , the Galaxy S20 can shoot several photos and videos at once, for example, in Live Focus mode, approaching or at a wide angle, simultaneously with all main cameras and use AI to recommend the best of them.

All three devices in the flagship line are equipped with 128 GB of internal storage and run on a new Guardian Chip processor, which is said to be able to protect the smartphone from malicious attacks. The battery capacity is 4000, 4500 or 5000 mAh, depending on the model.^[3]

Comparison of Samsung Galaxy S20 with competitors

The Galaxy S20 features a 6.2-inch AMOLED display that supports 120Hz refresh rate and HDR10 + standard. As in the past generation of smartphones, an ultrasonic fingerprint scanner is built into the bottom of the screen. New Samsung smartphones will go on sale on the Russian market at the following prices:  

• 69,990 rubles. for the version of Galaxy S20 in gray, blue, red colors;
• 79,990 rubles. for Galaxy S20 + in gray, black, red;
• 99,990 rubles for Galaxy S20 Ultra in gray and black.

Notes