Galaxy S21 5G SM-G991B/DS Binary 9 Firmware

Download the latest Galaxy S21 5G SM-G991B/DS Firmware U9 Package, featuring the Security Patch Level from 2024-03-01 (March 1, 2024). This update is essential for bypassing the FRP lock, reverting from root access, and switching back from custom ROMs to the original firmware. Keep your device secure and up-to-date with this crucial download.

Galaxy S21 5G SM-G991B/DS Binary 9 Android 14 Brazil ZTO G991BXXS9FXBH

Model / Device SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
 Android Version Android 14 U
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXS9FXBH
CSC G991BOWO9FWK4
Modem CP Version / Baseband G991BXXS9FXBD
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2024-03-16
Security Patch Level 2024-03-01 (March 1, 2024)
Size 7.4GB
[quads id=2]
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9FXAJ:
Model / Device SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 14 U
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXS9FXAJ
CSC G991BOWO9FWK4
Modem CP Version / Baseband G991BXXU9FWK2
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2024-02-15
Security Patch Level 2024-02-01 (February 1, 2024)
Size 7.4GB
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXU9FWK4:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 14 One UI 6
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXU9FWK4
CSC G991BOWO9FWK4
Modem CP Version / Baseband G991BXXU9FWK2
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2023-12-22
Security Patch Level 2023-11-01 (November 1, 2023)
Size 7.4GB
Download Google Drive
SM-G991B U9 Panama TPA G991BXXU9FWK2:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Panama
Language Multi-Language
Android Version Android 14 U
Operator / Carrier Clear TPA (without logo, operator apps)
AP/PDA G991BXXU9FWK2
CSC G991BOXM9FWK2
Modem CP Version / Baseband G991BXXU9FWK2
Product code TPA
Build / Release Date 2023-11-26
Security Patch Level 2023-11-01 (November 1, 2023)
Size 7.7GB
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9EWJQ:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 13 T
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXS9EWJQ
CSC G991BOWO9EWJP
Modem CP Version / Baseband G991BXXS9EWJH
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2023-11-20
Security Patch Level 2023-11-01 (November 1, 2023)
Size 7.1GB
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9EWJH:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 13 T
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXS9EWJH
CSC G991BOWO9EWI6
Modem CP Version / Baseband G991BXXS9EWJH
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2023-11-01
Security Patch Level 2023-10-01 (October 1, 2023)
Size 7.1GB
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9EWI3:
Model SM-G991B/DSBinary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 13 T
Operator / Carrier Clean ZTO (without logo, operator apps)
AP/PDA G991BXXS9EWI3
CSC G991BOWO9EWF2
Modem CP Version / Baseband G991BXXS9EWI3
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2023-09-24
Security Patch Level 2023-09-01 (September 1, 2023)
Size 7GB
Download Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9EWH1:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android Version Android 13 T
Operator / Carrier Clean ZTO (no logo, carrier apps)
AP / PDA G991BXXS9EWH1
CSC G991BOWO9EWF2
Modem CP Version / Baseband G991BXXS9EWG9
Product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build / Release Date 2023-08-14
Security Patch Level 2023-08-01 (August 1, 2023)
Size 7 GB
Download Qiwi Google Drive
SM-G991B/DS U9 Brazil ZTO G991BXXS9EWF3:
Model SM-G991B/DS Binary 9 U9, S9, Bit 9
Region / Country Brazil
Language Multi-Language
Android version Android 13 T
Operator / Carrier Clean ZTO (no logo, carrier apps)
AP / PDA G991BXXS9EWF3
CSC G991BOWO9EWF2
Modem CP Version / Baseband G991BXXS9EWF3
product code ZTO
Model References SM-G991BZARZTO, SM-G991BZIJZTO, SM-G991BZIRZTO, SM-G991BZVRZTO, SM-G991BZWRZTO, SM-G991BZAJZTO, SM-G991BZVJZTO, SM-G991BZWJZTO
Build Date 2023-06-21
Security Patch Level 2023-07-01 (July 1, 2023)
Size 7 GB
Download Google Drive

Downgrade Firmware For SM-G991B/DS:

SM-G991B/DS Binary 9 Firmware

Pre-requirements:

  • Compatible Device: Galaxy S21 5G SM-G991B/DS
  • Charging: Ensure your mobile is charged to at least 50%.
  • Computer: A PC or laptop is necessary to perform this installation.
  • Backing Up Your Android Phone: Before proceeding, back up your device. Visit here for instructions.
  • Samsung USB Driver: Essential for connectivity, download and install from Samsung’s developer site.
  • Downloading Odin: For the installation process, download the latest version of Odin from here.

How To Install Stock Firmware:

  1. Download the Galaxy S21 5G SM-G991B/DS Binary 9 Firmware files, then extract them on your computer.
  2. Turn off your smartphone completely.
  3. To enter Download Mode, simultaneously press and hold the Volume Down, Home, and Power buttons for 5-8 seconds until the screen changes.
  4. In Download Mode, a warning sign with a yellow triangle will appear. Press the Volume Up button to continue.
  5. Open Odin on your PC and connect your smartphone via USB.
  6. Odin will display “Added” in the lower-left corner once the device is successfully connected.
  7. Select the Firmware.tar file by clicking on the PDA button in Odin.
  8. Press the Start button in Odin to initiate the firmware flashing process.
  9. The flashing process should be completed within 30-50 seconds.

To verify the installed firmware, navigate to Settings, select About Phone, then Software Information. Locate the firmware number listed as “Baseband version.”

Follow Detail Guide

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