Attempting to flash a genuine G960F firmware via Odin will result in a or SECURE CHECK FAIL error, followed by a hard brick.

The instant the screen goes black, quickly switch your grip to to boot directly into TWRP. In TWRP, swipe to allow modifications. Select Wipe > Advanced Wipe . Check Dalvik / ART Cache , System , Vendor , Data , and Cache . Swipe to wipe. Do not reboot yet. Step 3: Flash the Converted G960F ROM

The primary reason you cannot flash G960F firmware onto an SCV38 is the processor: SCV38 (Japan - AU/KDDI): Qualcomm Snapdragon 845 SM-G960F (International): Samsung Exynos 9810

Unzip the downloaded SM-G960F firmware package on your computer. You will see five files starting with the following prefixes: Contains the system partition and core software. BL: Bootloader files. CP: Modem/Radio firmware.

One complication adding to this confusion is that many SCV38 phones report their model number as "SM-G960F" in some software contexts. This misidentification creates significant confusion for users trying to determine which firmware to use. For example, in a user's situation, their phone's back cover and settings showed SM-G960F, but the IMEI query showed SCV38. When they typed *#1234# into their dialer, they saw a mismatch: the AP version was G960FXXSFFUB3, while the BL version was SCV38KDU1CTC2.