SM-A2070 1 country Android 10

Samsung Galaxy A20s A2070ZCS2BUA3 Firmware

Name: Samsung Galaxy A20s (SM-A2070)
Brand: Samsung
Availability: InStock

Samsung Galaxy A20s A2070ZCS2BUA3 is an Android 10 firmware for China (CHC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build A2070ZHS2BUA3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A2070 is available: A2070ZCS5CWE1.

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Android 10

OS Version

2021-01-28

Build Date

2021-01-01

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A20s use bootloader binary 5 (latest: A2070ZCS5CWE1). If your device already runs binary 5, this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

MODEM/CP Version: A2070ZCS2BUA3

Model	Region	CSC Version	Release date	Size	File name	Download
SM-A2070	CHC China	A2070CHC2BUA3	2021-01-28	3.531 GiB	SM-A2070_2_20210122120834_63m1remfbc_fac.zip

Device specifications

Launched withAndroid 9.0
Display diagonal16.5 cm (6.5")
Display resolution720 x 1560 pixels
Display typeTFT
Rear camera resolution13 MP
Rear camera typeTriple camera
Battery capacity4000 mAh
Weight183 g

Specifications of SM-A207F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

What's new in A2070ZCS2BUA3

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

How to flash A2070ZCS2BUA3

Install Samsung USB Drivers:Download Official Drivers
Download Odin Flash Tool:

A2070ZCS2BUA3 has bootloader binary 2. Your device must run binary 2 or lower: it is the 5th character from the end of your current build number.
CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
The Download Mode key combo depends on the model: see all combos.

Full flashing guide

Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

Frequently Asked Questions

A2070ZCS2BUA3 is Android 10 firmware for Samsung Galaxy A20s, released for China (CHC). It includes the 2021-01-01 security patch. Samsung built it on 2021-01-28.

No. A newer build for SM-A2070 is available: A2070ZCS5CWE1. Install it instead of A2070ZCS2BUA3 unless you need this exact version. The previous build was A2070ZHS2BUA3.

Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 3.531 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A20s must be on bootloader binary 2 or lower.

This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy A20s running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 24 other builds of this model use the same binary, so you can switch between them in both directions.