Galaxy S
Model: SM-G991B
4 Firmware Packages
Firmware Galaxy S21 (SM-G991B)
Download official full 4-file factory stock firmware (BL, AP, CP, CSC) for Galaxy S21 (SM-G991B). Ready for repair, unbricking, or upgrading via Odin Flash Tool.
Firmware Overview
PDA Build:
G991BXXUJHZF2
CSC Region:
XID
Android:
Android 15
Format:
Full 4-File Odin
Select Region / CSC Code:
Indonesia Firmware
4-File Odin (AP, BL, CP, CSC)
CSC: XID
Android 15
PDA: G991BXXUJHZF2
Choose Download Mirror
BL (Bootloader)
AP (System & Kernel)
CP (Modem & Radio)
CSC (Region Config)
HOME_CSC (No Wipe Data)
File Size:
7.2 GB
Release Date:
25 Sep 2026
Archive Name:
SM-G991B_XID_G991BXXUJHZF2_fac.zip
4-File Odin (AP, BL, CP, CSC)
CSC: XID
Android 14
PDA: G991BXXU3AUIE
Choose Download Mirror
BL (Bootloader)
AP (System & Kernel)
CP (Modem & Radio)
CSC (Region Config)
HOME_CSC (No Wipe Data)
File Size:
6.8 GB
Release Date:
25 Jun 2026
Archive Name:
SM-G991B_XID_G991BXXU3AUIE_fac.zip
4-File Odin (AP, BL, CP, CSC)
CSC: XID
Android 14
PDA: G991BXXU9FWL3
Choose Download Mirror
BL (Bootloader)
AP (System & Kernel)
CP (Modem & Radio)
CSC (Region Config)
HOME_CSC (No Wipe Data)
File Size:
6.8 GB
Release Date:
25 Jun 2026
Archive Name:
SM-G991B_XID_G991BXXU9FWL3_fac.zip
4-File Odin (AP, BL, CP, CSC)
CSC: XID
Android 14
PDA: G991BXXU3AUF6
Choose Download Mirror
BL (Bootloader)
AP (System & Kernel)
CP (Modem & Radio)
CSC (Region Config)
HOME_CSC (No Wipe Data)
File Size:
6.8 GB
Release Date:
25 Jun 2026
Archive Name:
SM-G991B_XID_G991BXXU3AUF6_fac.zip
Samsung Odin Flashing Instructions (4-File)
1. Download Mode
Matikan perangkat Samsung. Tahan tombol Volume Down + Power (atau Volume Up + Down saat menghubungkan kabel USB ke komputer) hingga layar biru Download Mode muncul, lalu tekan Volume Up.
2. Muat File di Odin
Buka Odin3 di komputer. Masukkan file ke masing-masing slot: BL ke slot BL, AP ke slot AP, CP ke slot CP, dan CSC ke slot CSC (gunakan HOME_CSC jika ingin data tidak terhapus).
3. Mulai Flashing
Pastikan port COM terdeteksi warna biru/hijau pada Odin, lalu klik tombol Start. Tunggu hingga proses selesai dan muncul notifikasi PASS! hijau.