The Legend of Heroes: Trails of Cold Steel IV

CUSA20034.savepatch

1. Unpack Save data (Required)

Target File: user.dat

import loh_trails
unpack = loh_trails.loh_trails_decompress(savedata)
savedata = unpack

2. Fix custom CRC32 (Required)

Target File: user.dat

import loh_trails
import ubinascii
trails_crc = loh_trails.loh_trails_crc32(savedata, 0x10)
print("New CRC:", ubinascii.hexlify(trails_crc))
savedata[12:16] = trails_crc

3. Compress Save data (Required)

Target File: user.dat

import loh_trails
compressed = loh_trails.loh_trails_compress(savedata)
savedata = compressed