Samsung firmware SGH-T989 / GALAXY S II SGH-T989 2
Extract Odin ZIP file. 4. Open Odin execute file. 5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable) 6. Connect you Samsung phone and wait until you get a blue sign in Odin. 7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC ...