Just install antfix.zip
on your recovery.
Copy libbt-vendor.so
file to /system/vendor/lib64/
.
Tested Xiaomi Mi5 (gemini)
adb push libbt-vendor.so /sdcard/
adb shell
su
mount -o rw,remount /system
cp /sdcard/libbt-vendor.so /system/vendor/lib64/
chmod +r /system/vendor/lib64/libbt-vendor.so
mount -o ro,remount /system
If you install library, ANT Tester will print right Built-in firmware version.
If you want actual patch, please check this review request.
i'm not used oreo yet.
if you use official miui or unofficial los15, maybe you need rebuilt binary or fix something..