Samsung Galaxy S21 Ultra (SM-G998B) - DTM - G998BXXU3AUE1 firmware

Samsung Galaxy S21 Ultra firmware G998BXXU3AUE1 is the Android 11 build for the Samsung Galaxy S21 Ultra (model SM-G998B), released by Samsung for Germany (T-Mobile) (DTM). It was built on 1 May 2021, carries the 2021-05-01 Android security patch, has changelist 21556388. The package combines system build G998BXXU3AUE1 (AP/PDA) with CSC build G998BOXM3AUE1 for the DTM region code. SamMobile added this file to the firmware archive on 10 May 2021.

Country
Model	SM-G998B
Product Code	DTM
Security Patch	2021-05-01
OS Version	Android 11
PDA	G998BXXU3AUE1
CSC	G998BOXM3AUE1
Build Date	2021-05-1
Changelist	21556388

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G998BXXU3AUE1 for other regions and carriers

The same G998BXXU3AUE1 build is also available for these SM-G998B regions:

Ireland (Three) (3IE) 2021-05-01
Saudi Arabia (ACR) 2021-05-01
Afghanistan (AFG) 2021-05-01
Kenya (AFR) 2021-05-01
Spain (Orange) (AMO) 2021-05-01
Argentina (ANC) 2021-05-01
Argentina (ARO) 2021-05-01
Spain (Vodafone) (ATL) 2021-05-01
Open Austria (ATO) 2021-05-01
Switzerland (AUT) 2021-05-01
Albania (AVF) 2021-05-01
Bahamas (BAT) 2021-05-01
Bulgaria (BGL) 2021-05-01
France (Bouygues) (BOG) 2021-05-01
United Kingdom (BTU) 2021-05-01
Bolivia (BVO) 2021-05-01
Unknown (BVT) 2021-05-01
Caucasus Countries (CAU) 2021-05-01
Dominican Republic (CDR) 2021-05-01
Guatemala (Tigo) (CGU) 2021-05-01
Chile (Entel PCS) (CHE) 2021-05-01
Chile (Claro) (CHL) 2021-05-01
Chile (Telefonica) (CHT) 2021-05-01
Romania (Vodafone) (CNX) 2021-05-01
Romania (Cosmote) (COA) 2021-05-01
Colombia (Movistar) (COB) 2021-05-01
Colombia (COL) 2021-05-01
Colombia (Comcel) (COM) 2021-05-01
Colombia (COO) 2021-05-01
Greece (Cosmote) (COS) 2021-05-01
Panama (Claro) (CPA) 2021-05-01
Chile (CRC) 2021-05-01
Croatia (T-Mobile) (CRO) 2021-05-01
Argentina (Claro) (CTI) 2021-05-01
Uruguay (Claro) (CTU) 2021-05-01
Jamaica (CWW) 2021-05-01
Germany (DBT) 2021-05-01
Kenya (Zain) (DKR) 2021-05-01
Dominican Republic (Orange) (DOR) 2021-05-01
Austria (3 Hutchison) (DRE) 2021-05-01

Other SM-G998B firmware for Germany (T-Mobile) (DTM)

G998BXXU9EWH5 Android 13 · 2023-08-09
G998BXXSJHZA6 Android 15 · 2026-01-21
G998BXXSIHYK1 Android 15 · 2025-11-05
G998BXXSHHYJ1 Android 15 · 2025-10-02
G998BXXSGHYH1 Android 15 · 2025-08-04
G998BXXSFHYE1 Android 15 · 2025-05-21
G998BXXUEHYD5 Android 15 · 2025-04-15
G998BXXSEGYA2 Android 14 · 2025-01-22
G998BXXSEGXL2 Android 14 · 2024-12-31
G998BXXSEGXK1 Android 14 · 2024-12-03
G998BXXUEGXJE Android 14 · 2024-11-04
G998BXXSDGXI5 Android 14 · 2024-10-07
G998BXXSCGXH7 Android 14 · 2024-08-29
G998BXXUCGXGC Android 14 · 2024-07-31
G998BXXSCGXF5 Android 14 · 2024-06-25
G998BXXSBGXED Android 14 · 2024-06-04
G998BXXUBGXE7 Android 14 · 2024-05-24
G998BXXSBGXDH Android 14 · 2024-05-03
G998BXXUAGXDA Android 14 · 2024-04-17
G998BXXSAFXCL Android 14 · 2024-04-01
G998BXXS9FXBD Android 14 · 2024-02-28
G998BXXS9FXAH Android 14 · 2024-01-30
G998BXXS9FWL9 Android 14 · 2023-12-27
G998BXXS9FWKB Android 14 · 2023-11-30
G998BXXU9FWK2 Android 14 · 2023-11-07
G998BXXS6EWBB Android 13 · 2023-02-23
G998BXXU6EWAF Android 13 · 2023-01-30
G998BXXS5DWA4 Android 13 · 2023-01-06
G998BXXU5DVKF Android 13 · 2022-11-23
G998BXXS5DVK1 Android 13 · 2022-10-31
G998BXXU5DVJC Android 13 · 2022-10-24
G998BXXS5CVIF Android 12 · 2022-09-23
G998BXXS5CVHI Android 12 · 2022-08-29
G998BXXU5CVH7 Android 12 · 2022-08-11
G998BXXU5CVGB Android 12 · 2022-07-21
G998BXXU5CVF9 Android 12 · 2022-06-22
G998BXXU5CVF2 Android 12 · 2022-06-07
G998BXXU5CVDD Android 12 · 2022-04-25
G998BXXU4CVD2 Android 12 · 2022-04-04
G998BXXU4CVC4 Android 12 · 2022-03-07

All SM-G998B firmware for DTM · All Samsung Galaxy S21 Ultra (SM-G998B) firmware

How to flash G998BXXU3AUE1 on the Samsung Galaxy S21 Ultra (SM-G998B)

We recommend updating through Samsung's own tools: over-the-air (Settings › Software update) or Samsung Smart Switch on a PC. Flash the full firmware with Odin only when you are sure about the risks. A wrong region or a failed flash can brick the device, and SamMobile is not responsible for any damage.

Download the firmware package above and extract the ZIP. It contains the AP (PDA), BL, CP and CSC files, plus a HOME_CSC file.
Download and extract Odin on a Windows PC, and install the Samsung USB drivers if the PC does not detect the phone.
Switch the device off and boot it into Download mode (usually Volume Up + Volume Down while connecting the USB cable, or Volume Down + Bixby + Power on older models).
Open Odin. The ID:COM box turns blue when the device is connected.
Load the files in their slots: BL, AP, CP and CSC. Use HOME_CSC to keep your apps and data, CSC to wipe the device.
Leave Re-Partition unticked and click Start. The device reboots when Odin shows PASS. The first boot after a flash can take a few minutes.

Step-by-step PDFs: 5-file firmware and 1-file firmware.

What the build numbers mean

PDA / AP (G998BXXU3AUE1) is the Android system build; its last three characters encode the year, month and revision. CSC (G998BOXM3AUE1) is the region and carrier configuration, and CP is the modem firmware. The product code DTM identifies the region or carrier this package was made for (Germany (T-Mobile)). Flashing a package for a different product code changes carrier features and can be refused by the bootloader, so pick the one that matches the CSC shown under Settings › About phone › Software information.

Samsung Galaxy S21 Ultra (SM-G998B) - DTM - G998BXXU3AUE1 firmware

G998BXXU3AUE1 for other regions and carriers

Other SM-G998B firmware for Germany (T-Mobile) (DTM)

How to flash G998BXXU3AUE1 on the Samsung Galaxy S21 Ultra (SM-G998B)

What the build numbers mean

Flash instructions