[Android Software/Hacking General [Developers Only]] BL0P:
I removed the line when it cals sdkCheck function. It said "checking Android ... ignoring".

systemrw: Initiating procedure...

systemrw: Device is in Android mode. Ignoring
systemrw: Current device: samsung
systemrw: Current SELinux status: Enforcing
systemrw: Current slot is: 0
systemrw: Your super partition is located at: /dev/block/sda26
systemrw: Adjusting permissions...
systemrw: Attempting to disable dm-verity and verification...
Successfully disabled verification. Reboot the device for changes to take effect.
Successfully disabled verity. Reboot the device for changes to take effect.
systemrw: Dumping super partition to: /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Please wait patiently...

18432000+0 records in
18432000+0 records out
9437184000 bytes (8.7 G) copied, 74.531798 s, 121 M/s

systemrw: Successfully dumped super partition to: /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Unpacking embedded partitions from /data/local/tmp/systemrw_1.32/img/super_original.bin
systemrw: Nested partitions were successfully extracted from super

systemrw: Current size of system.img in bytes: 5935972352
systemrw: Current size of system.img in MB: 5660
systemrw: Current size of system.img in 512-byte sectors: 11593696

systemrw: NO 'shared_blocks feature' detected @ system.img

systemrw: Shrinking size of system.img back to minimum size...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/system.img to 1419922 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/system.img is now 1419922 (4k) blocks long.

systemrw: Custom size of system.img in bytes: 5831729152
systemrw: Custom size of system.img in MB: 5561
systemrw: Custom size of system.img in 512-byte sectors: 11390096

systemrw: Increasing filesystem size of system.img...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/system.img to 1423762 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/system.img is now 1423762 (4k) blocks long.

=================================================

systemrw: Current size of vendor.img in bytes: 1443549184
systemrw: Current size of vendor.img in MB: 1376
systemrw: Current size of vendor.img in 512-byte sectors: 2819432

systemrw: NO 'shared_blocks feature' detected @ vendor.img

systemrw: Shrinking size of vendor.img back to minimum size...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img to 345051 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img is now 345051 (4k) blocks long.

systemrw: Custom size of vendor.img in bytes: 1429057536
systemrw: Custom size of vendor.img in MB: 1362
systemrw: Custom size of vendor.img in 512-byte sectors: 2791128

systemrw: Increasing filesystem size of vendor.img...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img to 348891 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/vendor.img is now 348891 (4k) blocks long.

=================================================

systemrw: Current size of product.img in bytes: 1175060480
systemrw: Current size of product.img in MB: 1120
systemrw: Current size of product.img in 512-byte sectors: 2295040

systemrw: NO 'shared_blocks feature' detected @ product.img

systemrw: Shrinking size of product.img back to minimum size...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/product.img to 282114 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/product.img is now 282114 (4k) blocks long.

systemrw: Custom size of product.img in bytes: 1171267584
systemrw: Custom size of product.img in MB: 1117
systemrw: Custom size of product.img in 512-byte sectors: 2287632

systemrw: Increasing filesystem size of product.img...
Resizing the filesystem on /data/local/tmp/systemrw_1.32/img/product.img to 285954 (4k) blocks.
The filesystem on /data/local/tmp/systemrw_1.32/img/product.img is now 285954 (4k) blocks long.

=================================================

systemrw: Joining all extracted images back into one single super image...
systemrw: Please wait and ignore the invalid sparse warnings...

Invalid sparse file format at header magic
Invalid sparse file format at header magic
Invalid sparse file format at header magic
Invalid sparse file format at header magic

systemrw: Successfully created patched super image @
systemrw: /data/local/tmp/systemrw_1.32/img/super_fixed.bin

systemrw: Congratulations! Your image(s) should now have R/W capability
systemrw: Please reboot into bootloader and flash the file(s) manually

It says "flash the file(s) manually". What should I do now?