Samsung 1.38 m (55) QLED Q70D 4K Smart TV (2024) (QA55Q70DAULXL) Upgrade File(USB type),MAIN (T-NKM2DUABC_T-PTMLDUABC.zip) Firmware – Version 1400.0_1400.0 for Samsung Smart TV (Tizen OS)
Firmware package • 3 GB • Released Apr 09, 2026 • Compatible with Samsung Smart TV (Tizen OS)
QA55Q70DAULXL
Samsung 1.38 m (55) QLED Q70D 4K Smart TV (2024)
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Model Code:
QA55Q70DAULXL - File Package: Firmware package (v1400.0_1400.0)
- Compatibility: Samsung Smart TV (Tizen OS)
Download verified 1.38 m (55) QLED Q70D 4K Smart TV (2024) (QA55Q70DAULXL) USB firmware update package (1400.0_1400.0). This genuine Samsung Tizen OS software update provides picture engine improvements, audio processing refinements, Smart Hub stability patches, app performance optimizations, and security updates. Installable via FAT32 USB flash drive directly on your Samsung TV.
Quick flashing overview for 1.38 m (55) QLED Q70D 4K Smart TV (2024)
- Format USB Drive: Prepare a USB flash drive formatted to FAT32 and extract the firmware archive directly to the root directory.
- Connect to TV: Plug the USB drive into the USB (1) or USB HDD (5V 1A) port on your 1.38 m (55) QLED Q70D 4K Smart TV (2024).
- Execute Update: On your TV remote, navigate to Settings > Support > Software Update > Update Now and select Yes to confirm USB detection.
Need the Complete Samsung TV Firmware Update Guide?
Read the installation guide for prerequisites, download steps and common troubleshooting checks.
Platform Note: These instructions apply to systems running Samsung Smart TV (Tizen OS). Verify compatibility before proceeding.
Compatibility and scope
🛠️ Need Hardware Repair or Diagnostic Assistance?
If your 1.38 m (55) QLED Q70D 4K Smart TV (2024) is experiencing physical damage, battery degradation, screen flickering, charging port faults, or motherboard issues that cannot be resolved through software or user manuals, contact support assistance:
📋 Package Specifications & Build Details
Listed package metadata for 1.38 m (55) QLED Q70D 4K Smart TV (2024):
QA55Q70DAULXL
1400.0_1400.0
T-NKM2DUABC_T-PTMLDUABC.zip
📺 USB Drive Installation & Flashing Instructions
Download Upgrade File(USB type),MAIN (T-NKM2DUABC_T-PTMLDUABC.zip)
Package listed for 1.38 m (55) QLED Q70D 4K Smart TV (2024) • Version 1400.0_1400.0 • Released Apr 09, 2026:
Samsung Smart TV USB Installation Guide
Check the device model and manufacturer instructions before upgrading firmware on your 1.38 m (55) QLED Q70D 4K Smart TV (2024) using a USB flash drive:
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📁 Upgrade File,MAIN Version History & Available Releases
Listed ReleasesListed releases for Upgrade File,MAIN appear below. Check version support before installing or rolling back:
| Version | Status | File Size | Release Date | Action |
|---|---|---|---|---|
| vT-NKM2DUABC-0090-2123.9 |
Latest Release
|
3 GB | May 06, 2026 | View Version → |
| vT-PTMLDUABC-0090-2123.9 |
Previous Release
|
3 GB | May 06, 2026 | View Version → |
| v1400.0_1400.0 |
Previous Release
(Viewing Now)
|
3 GB | Apr 09, 2026 | Active Page |
| v0090 |
Previous Release
|
318 KB | - | View Version → |
| v1.0 |
Previous Release
|
563 KB | - | View Version → |
Experiencing Hardware Damage or Component Failure on 1.38 m (55) QLED Q70D 4K Smart TV (2024)?
If firmware updates or power resets do not resolve display banding, backlight failure, or port connectivity faults, compare original panel, power supply board, and mainboard repair costs or locate an authorized Samsung service center.
Ready to Repair 1.38 m (55) QLED Q70D 4K Smart TV (2024)?
Browse Samsung service-center listings and contact the provider to confirm services, parts and opening hours.
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