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Anycubic Kobra 3

General

  • SWU password: U2FsdGVkX19deTfqpXHZnB5GeyQ/dtlbHjkUnwgCi+w=
  • Ex/Im password: 2YLVrATRvUEnMeXk6Vtc7qxfzYM4TJzrLnEBma8zpUKeGtseGWqp4LXs7e8KeU2u
  • SSH root password: rockchip

Components

Mainboard
  • Kobra 3 Mainboard
    Mainboard for the Kobra 3 (early unit)
  • Kobra 3 Mainboard with SW2
    Cropped image of SW2 and surrounding components (early unit)
  • Kobra 3 mainboard with no SW2
    Cropped image of SW2 and surrounding components (late unit with missing SW2)

Firmware history

2.3.3.1 
{
    "id": 90,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "k3-1.1.0-2.3.3.1-update.swu",
    "firmware_version": "2.3.3.1 ",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1823263180633739265_l5fmjrss.swu",
    "firmware_size": 162339350,
    "firmware_md5": "b4fa7ce85a6c7899ed799d2c22b3e5bf",
    "parent_id": 0,
    "force_update": true,
    "time_cost": 100,
    "update_desc": "1. Optimized the model list page; \n2. Restructured the settings module; \n3. Added a startup self-diagnosis function; \n4. Optimized the resonance time; \n5. Optimized the color mapping; \n6. Fixed some bugs ;",
    "create_date": 1723534995,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}
2.3.3.2 
{
    "md5": "9803baf815ece82c3ea636c46c64efa4",
    "name": "k3-1.1.0-2.3.3.2-update.swu",
    "url": "https://cdn.cloud-universe.anycubic.com/attachment/1826082241870905345_sz3boql8.swu",
    "version": "2.3.3.2",
    "updateinfo": "1. Optimized the model list page;\n2. Restructured the settingsmodule;\n3. Added a boot self-diagnostic function;\n4. Optimized the resonance time;\n5. Optimized the color mapping;\n6. Fixed some bugs;"
    "forceupdate": 1
}
2.3.8 
{
    "id": 119,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "update.swu",
    "firmware_version": "2.3.8",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1900477453028659201_ilsgp06v.swu",
    "firmware_size": 169746243,
    "firmware_md5": "6595a6b8e8af5df2a92f13d1c113b549",
    "parent_id": 0,
    "force_update": false,
    "time_cost": 20,
    "update_desc": "1. Fixed occasional Skip objects function bug\n2. Fixed nozzle wiping error after flow calibration\n3. Fixed video monitoring disconnect issue",
    "create_date": 1741944140,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}
2.3.8.9 
{
    "id": 122,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "update.swu",
    "firmware_version": "2.3.8.9",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1909196710861758465_ildzyita.swu",
    "firmware_size": 171517886,
    "firmware_md5": "3bd674cedada966ced4c4e6e5d9fca8c",
    "parent_id": 0,
    "force_update": false,
    "time_cost": 10,
    "update_desc": "1.Improve video stability\n2.Improve video to 720P\n3.Improve actions before printing\n4.Improve cutting logic before Retraction\n",
    "create_date": 1744023185,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}
2.3.9.3 
{
    "id": 124,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "update.swu",
    "firmware_version": "2.3.9.3",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1914230240231297026_ytyaqhan.swu",
    "firmware_size": 168969785,
    "firmware_md5": "99d27f99591822910be70a8f819ee866",
    "parent_id": 0,
    "force_update": false,
    "time_cost": 10,
    "update_desc": "1. [Improve] File transfer stability\n2. [New] Mono print pause with feed/retract\n3. [New] Print score after completion\n",
    "create_date": 1745223076,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}
2.4.0 
{
    "id": 128,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "K3-C-2.4.0-update.swu",
    "firmware_version": "2.4.0",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1917539550079455233_xe4hyjcv.swu",
    "firmware_size": 168971640,
    "firmware_md5": "e2436e679ce538dc2d54ab194232575f",
    "parent_id": 0,
    "force_update": true,
    "time_cost": 100,
    "update_desc": "1.Fix bug of extrusion while pausing in printing\n2.Fix bug from leveling error\n3.Fix some text errors",
    "create_date": 1746012060,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}
2.4.0.4 
{
    "id": 134,
    "model_id": 20024,
    "machine_version": "1.1.0",
    "peripheral_version": "",
    "firmware_name": "update.swu",
    "firmware_version": "2.4.0.4",
    "firmware_url": "https://cdn.cloud-universe.anycubic.com/attachment/1926958754488213505_lwtlz3si.swu",
    "firmware_size": 168969730,
    "firmware_md5": "213a9367b2bc57c8470dfa70e1e7a236",
    "parent_id": 0,
    "force_update": false,
    "time_cost": 20,
    "update_desc": "1.Purge volume config. in ACS Next\n2.Zone Leveling\n3.More stable file transfers\n*ACSNext >= 1.3.5\n",
    "create_date": 1748257789,
    "min_model_firmware_id": 0,
    "not_support_function": ""
}