SamFw
SamFw
Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991B. This firmware for the region with CSC code is SIO (SIO - Slovenia). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is G991BXXU2AUC8 and Android version is R(Android 11). This firmware size is 6.92 GB.
This firmware is official from Samsung Cloud Server. Of course, we recommend you are using official Samsung tool like Samsung Smart Switch or Samsung Kies. Samfw.com will not responsible for any damage caused by using the files on this website
| Device | Version | Bit/SW REV. | FA | Change list |
|---|---|---|---|---|
| SM-G991B / Galaxy S21 5G | G991BXXU5AVD1 | 5 | FAR0 | CL24116225 |
| SM-G991B / Galaxy S21 5G | G991BXXU4AUL1 | 4 | FAR0 | CL23342197 |
| SM-G991B / Galaxy S21 5G | G991BXXU3AUF1 | 3 | FAR0 | CL21875223 |
| SM-G991B / Galaxy S21 5G | G991BXXU2AUD3 | 2 | FAR0 | CL21561395 |
| SM-G991B / Galaxy S21 5G | G991BXXU1AUA3 | 1 | FAR0 | CL20796681 |
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