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There will have to be at least one more update to enable to the hdmi 2.1 features.
C9's current EDID:
Code:
edid-decode (hex):

00 ff ff ff ff ff ff 00 1e 6d a0 c0 01 01 01 01
01 1d 01 03 80 a0 5a 78 0a ee 91 a3 54 4c 99 26
0f 50 54 a1 08 00 31 40 45 40 61 40 71 40 81 80
d1 c0 01 01 01 01 08 e8 00 30 f2 70 5a 80 b0 58
8a 00 40 84 63 00 00 1e 66 21 50 b0 51 00 1b 30
40 70 36 00 40 84 63 00 00 1e 00 00 00 fd 00 18
78 1e ff 77 00 0a 20 20 20 20 20 20 00 00 00 fc
00 4c 47 20 54 56 0a 20 20 20 20 20 20 20 01 8e

02 03 6a f1 5e 61 60 76 75 66 65 db da 10 1f 04
13 05 14 03 02 12 20 21 22 15 01 5d 5e 5f 62 63
64 3f 40 32 0f 57 07 15 07 50 57 07 01 67 04 03
3d 1e c0 5f 7e 01 6e 03 0c 00 10 00 b8 3c 20 00
80 01 02 03 04 6a d8 5d c4 01 78 80 63 22 28 78
e2 00 cf e3 05 c0 00 e3 06 0d 01 e2 0f 33 eb 01
46 d0 00 2a 18 03 51 59 99 aa 6f c2 00 a0 a0 a0
55 50 30 20 35 00 40 84 63 00 00 1e 00 00 00 c0

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: GSM
    Model: 49312
    Serial Number: 16843009
    Made in: week 1 of 2019
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 160 cm x 90 cm
    Gamma: 2.20
    RGB color display
    First detailed timing is preferred timing
  Color Characteristics:
    Red  : 0.6396, 0.3300
    Green: 0.2998, 0.5996
    Blue : 0.1503, 0.0595
    White: 0.3125, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.082 Hz   9:5    31.467 kHz  28.320 MHz
    DMT 0x04:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
  Standard Timings:
    DMT 0x04:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
    GTF     :  1152x864    60.000 Hz   4:3    53.700 kHz  81.624 MHz
    DMT 0x23:  1280x1024   60.020 Hz   5:4    63.981 kHz 108.000 MHz
    DMT 0x52:  1920x1080   60.000 Hz  16:9    67.500 kHz 148.500 MHz
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   60.000 Hz  16:9   135.000 kHz 594.000 MHz (1600 mm x 900 mm)
                 Hfront  176 Hsync  88 Hback 296 Hpol P
                 Vfront    8 Vsync  10 Vback  72 Vpol P
    DTD 2:  1360x768    60.015 Hz  85:48   47.712 kHz  85.500 MHz (1600 mm x 900 mm)
                 Hfront   64 Hsync 112 Hback 256 Hpol P
                 Vfront    3 Vsync   6 Vback  18 Vpol P
  Display Range Limits:
    Monitor ranges (GTF): 24-120 Hz V, 30-255 kHz H, max dotclock 1190 MHz
    Display Product Name: 'LG TV'
  Extension blocks: 1
Checksum: 0x8e

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans PC formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  97:  3840x2160   60.000 Hz  16:9   135.000 kHz 594.000 MHz
    VIC  96:  3840x2160   50.000 Hz  16:9   112.500 kHz 594.000 MHz
    VIC 118:  3840x2160  120.000 Hz  16:9   270.000 kHz 1188.000 MHz
    VIC 117:  3840x2160  100.000 Hz  16:9   225.000 kHz 1188.000 MHz
    VIC 102:  4096x2160   60.000 Hz 256:135 135.000 kHz 594.000 MHz
    VIC 101:  4096x2160   50.000 Hz 256:135 112.500 kHz 594.000 MHz
    VIC 219:  4096x2160  120.000 Hz 256:135 270.000 kHz 1188.000 MHz
    VIC 218:  4096x2160  100.000 Hz 256:135 225.000 kHz 1188.000 MHz
    VIC  16:  1920x1080   60.000 Hz  16:9    67.500 kHz 148.500 MHz
    VIC  31:  1920x1080   50.000 Hz  16:9    56.250 kHz 148.500 MHz
    VIC   4:  1280x720    60.000 Hz  16:9    45.000 kHz  74.250 MHz
    VIC  19:  1280x720    50.000 Hz  16:9    37.500 kHz  74.250 MHz
    VIC   5:  1920x1080i  60.000 Hz  16:9    33.750 kHz  74.250 MHz
    VIC  20:  1920x1080i  50.000 Hz  16:9    28.125 kHz  74.250 MHz
    VIC   3:   720x480    59.940 Hz  16:9    31.469 kHz  27.000 MHz
    VIC   2:   720x480    59.940 Hz   4:3    31.469 kHz  27.000 MHz
    VIC  18:   720x576    50.000 Hz  16:9    31.250 kHz  27.000 MHz
    VIC  32:  1920x1080   24.000 Hz  16:9    27.000 kHz  74.250 MHz
    VIC  33:  1920x1080   25.000 Hz  16:9    28.125 kHz  74.250 MHz
    VIC  34:  1920x1080   30.000 Hz  16:9    33.750 kHz  74.250 MHz
    VIC  21:  1440x576i   50.000 Hz   4:3    15.625 kHz  27.000 MHz
    VIC   1:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    VIC  93:  3840x2160   24.000 Hz  16:9    54.000 kHz 297.000 MHz
    VIC  94:  3840x2160   25.000 Hz  16:9    56.250 kHz 297.000 MHz
    VIC  95:  3840x2160   30.000 Hz  16:9    67.500 kHz 297.000 MHz
    VIC  98:  4096x2160   24.000 Hz 256:135  54.000 kHz 297.000 MHz
    VIC  99:  4096x2160   25.000 Hz 256:135  56.250 kHz 297.000 MHz
    VIC 100:  4096x2160   30.000 Hz 256:135  67.500 kHz 297.000 MHz
    VIC  63:  1920x1080  120.000 Hz  16:9   135.000 kHz 297.000 MHz
    VIC  64:  1920x1080  100.000 Hz  16:9   112.500 kHz 297.000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 8
      Supported sample rates (kHz): 192 96 48 44.1 32
      Supported sample sizes (bits): 24 20 16
    AC-3:
      Max channels: 6
      Supported sample rates (kHz): 48 44.1 32
      Maximum bit rate: 640 kb/s
    Dolby Digital+:
      Max channels: 8
      Supported sample rates (kHz): 48 44.1 32
      Supports Joint Object Coding
    MAT (MLP):
      Max channels: 8
      Supported sample rates (kHz): 48
    DTS:
      Max channels: 6
      Supported sample rates (kHz): 96 88.2 48 44.1
      Maximum bit rate: 1536 kb/s
    DTS-HD:
      Max channels: 8
      Supported sample rates (kHz): 192 176.4 96 88.2 48 44.1
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 1.0.0.0
    Supports_AI
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 300 MHz
    Extended HDMI video details:
      HDMI VICs:
        HDMI VIC 1:  3840x2160   30.000 Hz  16:9    67.500 kHz 297.000 MHz
        HDMI VIC 2:  3840x2160   25.000 Hz  16:9    56.250 kHz 297.000 MHz
        HDMI VIC 3:  3840x2160   24.000 Hz  16:9    54.000 kHz 297.000 MHz
        HDMI VIC 4:  4096x2160   24.000 Hz 256:135  54.000 kHz 297.000 MHz
  Vendor-Specific Data Block (HDMI Forum), OUI C4-5D-D8:
    Version: 1
    Maximum TMDS Character Rate: 600 MHz
    SCDC Present
    Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6, 8, 10 and 12 Gbps on 4 lanes
    Supports 12-bits/component Deep Color 4:2:0 Pixel Encoding
    Supports 10-bits/component Deep Color 4:2:0 Pixel Encoding
    Supports Mdelta
    Supports Auto Low-Latency Mode
    VRRmin: 40 Hz
    VRRmax: 120 Hz
  Video Capability Data Block:
    YCbCr quantization: Selectable (via AVI YQ)
    RGB quantization: Selectable (via AVI Q)
    PT scan behavior: No Data
    IT scan behavior: Supports both over- and underscan
    CE scan behavior: Supports both over- and underscan
  Colorimetry Data Block:
    BT2020YCC
    BT2020RGB
  HDR Static Metadata Data Block:
    Electro optical transfer functions:
      Traditional gamma - SDR luminance range
      SMPTE ST2084
      Hybrid Log-Gamma
    Supported static metadata descriptors:
      Static metadata type 1
  YCbCr 4:2:0 Capability Map Data Block:
    VIC  97:  3840x2160   60.000 Hz  16:9    67.500 kHz 297.000 MHz
    VIC  96:  3840x2160   50.000 Hz  16:9    56.250 kHz 297.000 MHz
    VIC 102:  4096x2160   60.000 Hz 256:135  67.500 kHz 297.000 MHz
    VIC 101:  4096x2160   50.000 Hz 256:135  56.250 kHz 297.000 MHz
  Vendor-Specific Video Data Block (Dolby), OUI 00-D0-46:
    Version: 1 (12 bytes)
    Supports 2160p60
    DM Version: 4.x
    Colorimetry: P3-D65
    Low Latency: Only Standard
    Target Max Luminance: 700 cd/m^2
    Target Min Luminance: 0.00006200 cd/m^2
    Unique Rx, Ry: 0.70703125, 0.29296875
    Unique Gx, Gy: 0.17187500, 0.79687500
    Unique Bx, By: 0.13281250, 0.04687500
  Detailed Timing Descriptors:
    DTD 3:  2560x1440  119.998 Hz  16:9   182.996 kHz 497.750 MHz (1600 mm x 900 mm)
                 Hfront   48 Hsync  32 Hback  80 Hpol P
                 Vfront    3 Vsync   5 Vback  77 Vpol P
Checksum: 0xc0

VIC 118: 3840x2160 120.000 Hz 16:9 270.000 kHz 1188.000 MHz

Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6, 8, 10 and 12 Gbps on 4 lanes

The C9 is advertising to devices that it can do 4K/120Hz and 48Gbps (12Gbps x 4 lanes). Do you any evidence that EDID was updated to this before the rest of the firmware was ready?
 

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2,102 Posts
Is it true that there will be a big update coming to the c9 in July?
Expected updates - in the FAQ thread - but we do not know when:
- support for HDCP 2.3;
- support for Dolby Atmos in Apple TV/Airplay WebOS app;

There will have to be at least one more update to enable to the hdmi 2.1 features.
There are no expected updates regarding HDMI 2.1 capabilities or features.
The 2019 series are practically the most compatible HDMI 2.1 devices on the market (with small caveats) - probably for a few years - until the 48Gbps TX/RX ports and repeaters will become cheaper.
 

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209 Posts
C9's current EDID:
Code:
edid-decode (hex):

00 ff ff ff ff ff ff 00 1e 6d a0 c0 01 01 01 01
01 1d 01 03 80 a0 5a 78 0a ee 91 a3 54 4c 99 26
0f 50 54 a1 08 00 31 40 45 40 61 40 71 40 81 80
d1 c0 01 01 01 01 08 e8 00 30 f2 70 5a 80 b0 58
8a 00 40 84 63 00 00 1e 66 21 50 b0 51 00 1b 30
40 70 36 00 40 84 63 00 00 1e 00 00 00 fd 00 18
78 1e ff 77 00 0a 20 20 20 20 20 20 00 00 00 fc
00 4c 47 20 54 56 0a 20 20 20 20 20 20 20 01 8e

02 03 6a f1 5e 61 60 76 75 66 65 db da 10 1f 04
13 05 14 03 02 12 20 21 22 15 01 5d 5e 5f 62 63
64 3f 40 32 0f 57 07 15 07 50 57 07 01 67 04 03
3d 1e c0 5f 7e 01 6e 03 0c 00 10 00 b8 3c 20 00
80 01 02 03 04 6a d8 5d c4 01 78 80 63 22 28 78
e2 00 cf e3 05 c0 00 e3 06 0d 01 e2 0f 33 eb 01
46 d0 00 2a 18 03 51 59 99 aa 6f c2 00 a0 a0 a0
55 50 30 20 35 00 40 84 63 00 00 1e 00 00 00 c0

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: GSM
    Model: 49312
    Serial Number: 16843009
    Made in: week 1 of 2019
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 160 cm x 90 cm
    Gamma: 2.20
    RGB color display
    First detailed timing is preferred timing
  Color Characteristics:
    Red  : 0.6396, 0.3300
    Green: 0.2998, 0.5996
    Blue : 0.1503, 0.0595
    White: 0.3125, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.082 Hz   9:5    31.467 kHz  28.320 MHz
    DMT 0x04:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
  Standard Timings:
    DMT 0x04:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
    GTF     :  1152x864    60.000 Hz   4:3    53.700 kHz  81.624 MHz
    DMT 0x23:  1280x1024   60.020 Hz   5:4    63.981 kHz 108.000 MHz
    DMT 0x52:  1920x1080   60.000 Hz  16:9    67.500 kHz 148.500 MHz
  Detailed Timing Descriptors:
    DTD 1:  3840x2160   60.000 Hz  16:9   135.000 kHz 594.000 MHz (1600 mm x 900 mm)
                 Hfront  176 Hsync  88 Hback 296 Hpol P
                 Vfront    8 Vsync  10 Vback  72 Vpol P
    DTD 2:  1360x768    60.015 Hz  85:48   47.712 kHz  85.500 MHz (1600 mm x 900 mm)
                 Hfront   64 Hsync 112 Hback 256 Hpol P
                 Vfront    3 Vsync   6 Vback  18 Vpol P
  Display Range Limits:
    Monitor ranges (GTF): 24-120 Hz V, 30-255 kHz H, max dotclock 1190 MHz
    Display Product Name: 'LG TV'
  Extension blocks: 1
Checksum: 0x8e

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans PC formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  97:  3840x2160   60.000 Hz  16:9   135.000 kHz 594.000 MHz
    VIC  96:  3840x2160   50.000 Hz  16:9   112.500 kHz 594.000 MHz
    VIC 118:  3840x2160  120.000 Hz  16:9   270.000 kHz 1188.000 MHz
    VIC 117:  3840x2160  100.000 Hz  16:9   225.000 kHz 1188.000 MHz
    VIC 102:  4096x2160   60.000 Hz 256:135 135.000 kHz 594.000 MHz
    VIC 101:  4096x2160   50.000 Hz 256:135 112.500 kHz 594.000 MHz
    VIC 219:  4096x2160  120.000 Hz 256:135 270.000 kHz 1188.000 MHz
    VIC 218:  4096x2160  100.000 Hz 256:135 225.000 kHz 1188.000 MHz
    VIC  16:  1920x1080   60.000 Hz  16:9    67.500 kHz 148.500 MHz
    VIC  31:  1920x1080   50.000 Hz  16:9    56.250 kHz 148.500 MHz
    VIC   4:  1280x720    60.000 Hz  16:9    45.000 kHz  74.250 MHz
    VIC  19:  1280x720    50.000 Hz  16:9    37.500 kHz  74.250 MHz
    VIC   5:  1920x1080i  60.000 Hz  16:9    33.750 kHz  74.250 MHz
    VIC  20:  1920x1080i  50.000 Hz  16:9    28.125 kHz  74.250 MHz
    VIC   3:   720x480    59.940 Hz  16:9    31.469 kHz  27.000 MHz
    VIC   2:   720x480    59.940 Hz   4:3    31.469 kHz  27.000 MHz
    VIC  18:   720x576    50.000 Hz  16:9    31.250 kHz  27.000 MHz
    VIC  32:  1920x1080   24.000 Hz  16:9    27.000 kHz  74.250 MHz
    VIC  33:  1920x1080   25.000 Hz  16:9    28.125 kHz  74.250 MHz
    VIC  34:  1920x1080   30.000 Hz  16:9    33.750 kHz  74.250 MHz
    VIC  21:  1440x576i   50.000 Hz   4:3    15.625 kHz  27.000 MHz
    VIC   1:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    VIC  93:  3840x2160   24.000 Hz  16:9    54.000 kHz 297.000 MHz
    VIC  94:  3840x2160   25.000 Hz  16:9    56.250 kHz 297.000 MHz
    VIC  95:  3840x2160   30.000 Hz  16:9    67.500 kHz 297.000 MHz
    VIC  98:  4096x2160   24.000 Hz 256:135  54.000 kHz 297.000 MHz
    VIC  99:  4096x2160   25.000 Hz 256:135  56.250 kHz 297.000 MHz
    VIC 100:  4096x2160   30.000 Hz 256:135  67.500 kHz 297.000 MHz
    VIC  63:  1920x1080  120.000 Hz  16:9   135.000 kHz 297.000 MHz
    VIC  64:  1920x1080  100.000 Hz  16:9   112.500 kHz 297.000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 8
      Supported sample rates (kHz): 192 96 48 44.1 32
      Supported sample sizes (bits): 24 20 16
    AC-3:
      Max channels: 6
      Supported sample rates (kHz): 48 44.1 32
      Maximum bit rate: 640 kb/s
    Dolby Digital+:
      Max channels: 8
      Supported sample rates (kHz): 48 44.1 32
      Supports Joint Object Coding
    MAT (MLP):
      Max channels: 8
      Supported sample rates (kHz): 48
    DTS:
      Max channels: 6
      Supported sample rates (kHz): 96 88.2 48 44.1
      Maximum bit rate: 1536 kb/s
    DTS-HD:
      Max channels: 8
      Supported sample rates (kHz): 192 176.4 96 88.2 48 44.1
  Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
    Source physical address: 1.0.0.0
    Supports_AI
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 300 MHz
    Extended HDMI video details:
      HDMI VICs:
        HDMI VIC 1:  3840x2160   30.000 Hz  16:9    67.500 kHz 297.000 MHz
        HDMI VIC 2:  3840x2160   25.000 Hz  16:9    56.250 kHz 297.000 MHz
        HDMI VIC 3:  3840x2160   24.000 Hz  16:9    54.000 kHz 297.000 MHz
        HDMI VIC 4:  4096x2160   24.000 Hz 256:135  54.000 kHz 297.000 MHz
  Vendor-Specific Data Block (HDMI Forum), OUI C4-5D-D8:
    Version: 1
    Maximum TMDS Character Rate: 600 MHz
    SCDC Present
    Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6, 8, 10 and 12 Gbps on 4 lanes
    Supports 12-bits/component Deep Color 4:2:0 Pixel Encoding
    Supports 10-bits/component Deep Color 4:2:0 Pixel Encoding
    Supports Mdelta
    Supports Auto Low-Latency Mode
    VRRmin: 40 Hz
    VRRmax: 120 Hz
  Video Capability Data Block:
    YCbCr quantization: Selectable (via AVI YQ)
    RGB quantization: Selectable (via AVI Q)
    PT scan behavior: No Data
    IT scan behavior: Supports both over- and underscan
    CE scan behavior: Supports both over- and underscan
  Colorimetry Data Block:
    BT2020YCC
    BT2020RGB
  HDR Static Metadata Data Block:
    Electro optical transfer functions:
      Traditional gamma - SDR luminance range
      SMPTE ST2084
      Hybrid Log-Gamma
    Supported static metadata descriptors:
      Static metadata type 1
  YCbCr 4:2:0 Capability Map Data Block:
    VIC  97:  3840x2160   60.000 Hz  16:9    67.500 kHz 297.000 MHz
    VIC  96:  3840x2160   50.000 Hz  16:9    56.250 kHz 297.000 MHz
    VIC 102:  4096x2160   60.000 Hz 256:135  67.500 kHz 297.000 MHz
    VIC 101:  4096x2160   50.000 Hz 256:135  56.250 kHz 297.000 MHz
  Vendor-Specific Video Data Block (Dolby), OUI 00-D0-46:
    Version: 1 (12 bytes)
    Supports 2160p60
    DM Version: 4.x
    Colorimetry: P3-D65
    Low Latency: Only Standard
    Target Max Luminance: 700 cd/m^2
    Target Min Luminance: 0.00006200 cd/m^2
    Unique Rx, Ry: 0.70703125, 0.29296875
    Unique Gx, Gy: 0.17187500, 0.79687500
    Unique Bx, By: 0.13281250, 0.04687500
  Detailed Timing Descriptors:
    DTD 3:  2560x1440  119.998 Hz  16:9   182.996 kHz 497.750 MHz (1600 mm x 900 mm)
                 Hfront   48 Hsync  32 Hback  80 Hpol P
                 Vfront    3 Vsync   5 Vback  77 Vpol P
Checksum: 0xc0

VIC 118: 3840x2160 120.000 Hz 16:9 270.000 kHz 1188.000 MHz

Max Fixed Rate Link: 3 and 6 Gbps per lane on 3 lanes, 6, 8, 10 and 12 Gbps on 4 lanes

The C9 is advertising to devices that it can do 4K/120Hz and 48Gbps (12Gbps x 4 lanes). Do you any evidence that EDID was updated to this before the rest of the firmware was ready?

Interesting - was hoping Nvidia would announce when they are launching their latest video cards that hopefully has HDMI 2.1 on them.

Also helps confirm that these are truly HDMI 2.1 ports.
 

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2,084 Posts
Interesting - was hoping Nvidia would announce when they are launching their latest video cards that hopefully has HDMI 2.1 on them.

Also helps confirm that these are truly HDMI 2.1 ports.
The HDMI 2.1 changes happened two or three firmware updates ago.
 

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502 Posts
Is it true that there will be a big update coming to the c9 in July?
Source? And what should be included in this update?
Afaik no, there's no 'big update' coming, especially not in July. This would mean that there is already a corresponding test version available, which is not the case.

Maybe, in about 6 months maybe a year there will be no more updates......
Not true, I just got another update on my 5 year old EF9500 OLED.
What he probably wanted to say: there will be no more major updates very soon. Security updates and smaller updates will be available for quite a while as for all other models.

There will have to be at least one more update to enable to the hdmi 2.1 features.
All HDMI 2.1 features are already available on the TV, no update is required for this.
But as soon as the first HDMI 2.1 devices are available on the market, it will of course still have to be seen whether everything will work as intended.
I expect that there will be one or two bug fixes necessary.

Expected updates - in the FAQ thread - but we do not know when:
[...]
- support for Dolby Atmos in Apple TV/Airplay WebOS app;
Afaik no firmware update is required for the Apple TV app to make Atmos available. This should be possible through a simple app update.
 

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464 Posts
Is it true that there will be a big update coming to the c9 in July?
Source? And what should be included in this update?
Afaik no, there's no 'big update' coming, especially not in July. This would mean that there is already a corresponding test version available, which is not the case.
Someone in cx owner thread mentioned it. I did not save the post so I couldn't find it now. The update should include the fix for the current dolby vision raised black issue, low hdr brightness issue and near-black gamma shift issue caused by vrr on the cx. I assume an update should arrive around the same time for the c9 since both the cx and the c9 have that vrr issue.
 

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298 Posts
Hi All

I recently upgraded to a 77" C9 from my 65" C7, from Jan this year. Fantastic TV size. I however have noticed a couple of issues I've been trying to diagnose. I was wondering if anyone else has experienced this, and if these are an issue with the TV?

Firstly I've noticed a intermittent flicking/flashing of the picture. I've noticed this on different inputs, i..e HDMI 1 and HDMI4. I was using the APS (power save mode) picture setting, but changed it to "ISF" mode as still experienced it.
I don't see it related to HDMI cable, because most of the time it works fine. Putting the TV on Standby will sometimes resolve it, other times not.
Here is an example.. I have several examples, I have included a link to 1 below, and timestamps where I am seeing the issue.

SKY TV HDMI 4 Input
8-9 seconds - 1 Flicker/Flashing
23-24 seconds – 1 Flicker/Flashing
43-44 seconds – 1 Flicker/Flashing

https://www.youtube.com/watch?v=wLtaFDZ5vnE



I am also seeing a pattern of dots sometimes when the TV is on, this is also intermittent and not always present. Most visible on a Black background since the dots will appear to be "RED", however you can still see these dots when the TV is playing content, but they will change colour based on what is being displayed, i.e. "White". but much harder to see.
Now this looks like an HDMI issue, but as you can see in my example below, I can replicate this issue with the onboard apps on the TV so nothing is playing via HDMI. Infact in the example below you will see I have disconnected all INPUTS.

(Red) dots flashing example
https://www.youtube.com/watch?v=d-eamu-NHBI


Hope someone can advise, if these are an issue with the TV which I need LG to diagnose/fix? I never experienced these issues with the 65C7.

Technician has come out and confirmed/diagnosed the issues. They suspect a panel issue. And will now present to LG for either repair or replacement.
If given the choice of repair or replacement, (apparently there are no 77C9 in NZ) so likely to be replacement with a CX. Would you choose repair C9 or replacement with the CX? Since the HDMI capability on the CX is lower than C9.
 

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Technician has come out and confirmed/diagnosed the issues. They suspect a panel issue. And will now present to LG for either repair or replacement.
If given the choice of repair or replacement, (apparently there are no 77C9 in NZ) so likely to be replacement with a CX. Would you choose repair C9 or replacement with the CX? Since the HDMI capability on the CX is lower than C9.
Can you imagine a scenario where you would need some technical functionality this “lower HDMI capability” doesn’t provide? Just take the CX for the free upgrade...
 

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Technician has come out and confirmed/diagnosed the issues. They suspect a panel issue. And will now present to LG for either repair or replacement.
If given the choice of repair or replacement, (apparently there are no 77C9 in NZ) so likely to be replacement with a CX. Would you choose repair C9 or replacement with the CX? Since the HDMI capability on the CX is lower than C9.
There is no capability loss
 

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Just updated to the latest fw and everything seems like the beightness has been bumped up by 5-6 points? Its still set to 50 though. Everything seems a bit washed up in SDR and DV. Anyone else seeing this? And would be wrong to bring brifhtness less than 50? Im stickler for accuracy so not sure if im just imagining thing or if theres an issue, would bringing brightness down be better or worse and inaccurate? I dont have anything to calibrate the tv so looking for general settings and hope LG fixes the brightness soon!
Placebo.

There is no change to brightness levels from previous firmware to the latest one. I calibrated my display again just a week before the latest firmware dropped and then did it again because I reset the TV back to factory settings. The values that I input before is identical to the values I input in the latest firmware. All verified with test patterns of course and several real life content that I know very well.
 

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Expected updates - in the FAQ thread - but we do not know when:
- support for HDCP 2.3;
I posted this a while ago.
But LG Germany confirmed to me that
the C9 already supports HDCP 2.3.

I have sent an E-Mail to LG Germany regarding HDCP 2.3:

This is the answer:

Thank you very much for contacting LG Electronics Deutschland GmbH

Basically, with the introduction of HDMI 2.1, we also implemented the HDCP standard 2.3. This means that any device (both C9 and CX) with the HDMI 2.1 port can comply with the HDCP 2.3 standard.
Sounds like that the C9 and CX already support HDCP 2.3 even though it is not specifically in
the HDMI Diagnostic screen.

Perhaps someone else want to verify this by contacting LG.
 

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I posted this a while ago.
But LG Germany confirmed to me that
the C9 already supports HDCP 2.3.

Sounds like that the C9 and CX already support HDCP 2.3 even though it is not specifically in
the HDMI Diagnostic screen.
Their replay is very vague because the C9 had HDMI 2.1 features/specs added in stages - and HDCP 2.3 was not between them, regardless of what they say - I doubt that the new HDCP 2.3 encryption certificates are present inside the firmware because the TV should be able to use them against a compatible source - hence, the current HDCP 2.2 level should be replaced by the HDCP 2.3 level

Did the 04.80.03 update change the HDCP level? I can't verify right now.

The CX is in the same situation.
 

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Someone in cx owner thread mentioned it. I did not save the post so I couldn't find it now. The update should include the fix for the current dolby vision raised black issue, low hdr brightness issue and near-black gamma shift issue caused by vrr on the cx. I assume an update should arrive around the same time for the c9 since both the cx and the c9 have that vrr issue.
I suspect you're confusing things. For the CX an update with bugfixes was announced (not officially though afaik), but for the C9 nothing is known yet. I don't even know if LG has even recognized the issue as such for the 2019 models.
It is also not said that a bugfix for the 2019 models will come automatically, just because a bugfix for the 2020 models is coming. The past has shown that older models can get a bugfix much later or even not at all.

Have you already tried contacting LG about this?
 

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DTS capability is lost. On the other hand it would get an 120 hz bfi upgrade.
Which has nothing to do with HDMI 2.1 40 vs 48Gpbs.
 

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Looks like you were referring to just the boded HDMI part while devoker666 probably thought you were answering the question "Would you choose repair C9 or replacement with the CX?"
Yes that’s what I was originally responding to.
 

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Looks great to me but I’ve only owned it for a day. I haven’t been looking for trouble. John said it’s as good as they get. It was manufactured in January.


Sent from my iPhone using Tapatalk
My C9 last year calibrated by jrref, no tinting I could notice. Last couple years have been kind if one is willing to be patient to get a good sample, and there are plenty of them.
 
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