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Updated with phone photo

I got a proper photo from my phone that I added to the repository now and set it as the default file to be tested with the script.

0.505 Filename: ../../testfiles/unreadable.dng
0.505 Timestamp: Mon Aug 25 22:32:35 2025
0.505 Camera: Samsung SM-S908U ID: 0x0
0.505 Normalized Make/Model: =Samsung/SM-S908U= CamMaker ID: 59
0.505 UniqueCameraModel: =SM-S908U=
0.505  DNG Version: 1.7.0.0
0.505
0.505 EXIF:
0.505   MinFocal: 0.0 mm
0.505   MaxFocal: 0.0 mm
0.505   MaxAp @MinFocal: f/0.0
0.505   MaxAp @MaxFocal: f/0.0
0.505   CurFocal: 6.4 mm
0.505   MaxAperture @CurFocal: f/0.0
0.505   FocalLengthIn35mmFormat: 23 mm
0.505   LensMake:
0.505   Lens:
0.505
0.505
0.505 Makernotes:
0.505   DriveMode: -1
0.505   FocusMode: -1
0.505   MeteringMode: -1
0.505   AFPoint: -1
0.505   ExposureMode: -1
0.505   ExposureProgram: -1
0.505   ImageStabilization: -1
0.505   Lens:
0.505   LensFormat: 0,  LensMount: 43,  FocalType: 0, Undefined
0.505   LensFeatures_pre:
0.505   LensFeatures_suf:
0.505   MinFocal: 0.0 mm
0.505   MaxFocal: 0.0 mm
0.505   MaxAp @MinFocal: f/0.0
0.505   MaxAp @MaxFocal: f/0.0
0.505   MinAp @MinFocal: f/0.0
0.505   MinAp @MaxFocal: f/0.0
0.505   MaxAp: f/0.0
0.505   MinAp: f/0.0
0.505   CurFocal: 0.0 mm
0.505   CurAp: f/0.0
0.505   MaxAp @CurFocal: f/0.0
0.505   MinAp @CurFocal: f/0.0
0.505   TeleconverterID: 0
0.505   Teleconverter:
0.505   AdapterID: 0
0.505   Adapter:
0.505   AttachmentID: 0
0.505   Attachment:
0.505
0.505 ISO speed: 1000
0.505 Shutter: 1/24.0
0.505 Aperture: f/1.8
0.505 Focal length: 6.4 mm
0.505 Flash exposure compensation: 0.00 EV
0.505 Embedded ICC profile: no
0.505 Baseline exposure: 3.250
0.505 Number of raw images: 1
0.505 Thumb size:  4000 x 3000
0.505 Full size:   4000 x 3000
0.505 Image size:  4000 x 3000
0.505 Output size: 3000 x 4000
0.505 Image flip: 6
0.505 Raw colors: 3
0.505 Makernotes WB data:               coeffs                  EVs
0.505   As shot                   1.75043 1 1.91402 0    0.81  0.00  0.94  0.00
0.505
0.505 Camera2RGB matrix (mode: 1):
0.505 1.6887    -0.6238 -0.0649
0.505 -0.1948   1.3616  -0.1668
0.505 0.0022    -0.6410 1.6387
0.505
0.505 XYZ->CamRGB matrix:
0.505 0.0000    0.0000  0.0000
0.505 0.0000    0.0000  0.0000
0.505 0.0000    0.0000  0.0000
0.505
0.505 camRGB -> sRGB Matrix:
0.505 1.6887    -0.6238 -0.0649
0.505 -0.1948   1.3616  -0.1668
0.505 0.0022    -0.6410 1.6387
0.505
0.505 DNG Illuminant 1: D65
0.505 DNG Illuminant 2: Illuminant A
0.505 DNG color matrix 1:
0.505 0.8750    -0.1953 -0.1211
0.505 -0.4834   1.3740  0.0791
0.505 -0.1016   0.2666  0.4365
0.505
0.505 DNG color matrix 2:
0.505 1.7568    -0.9531 -0.1338
0.505 -0.3125   1.3408  0.0078
0.505 0.0068    0.1621  0.5195
0.505
0.505 DNG calibration matrix 1:
0.505 1.0322    0.0000  0.0000
0.505 0.0000    1.0000  0.0000
0.505 0.0000    0.0000  0.9814
0.505
0.505 DNG calibration matrix 2:
0.505 1.0322    0.0000  0.0000
0.505 0.0000    1.0000  0.0000
0.505 0.0000    0.0000  0.9814
0.505
0.505 DNG forward matrix 1:
0.505 0.6611    0.1611  0.1426
0.505 0.2363    0.7979  -0.0342
0.505 0.0059    -0.3340 1.1533
0.505
0.505 DNG forward matrix 2:
0.505 0.5020    0.2393  0.2236
0.505 0.0820    0.8564  0.0615
0.505 -0.1064   -0.7002 1.6309
0.505
0.505 Derived D65 multipliers: 1.920283 0.999304 1.578794