Samsung 1.38 m (55) OLED S90C 4K Smart AI TV (2023) Downloads & Support Hub
Verified support repository for Samsung 1.38 m (55) OLED S90C 4K Smart AI TV (2023) (QA55S90CAKLXL) providing 11 database-indexed packages (8 User Manuals & Guides, 3 Firmware Packages), supporting Tizen. All packages are verified with SHA-256 cryptographic signatures.
📦 Available Download Packages
Filter software packages by technical component category:
OS Upgrade User Manual
OS Upgrade Release Note
OS Upgrade file(USB type) (T-PTMCUABC_OSU_0080.zip)
OS Upgrade Release Note
OS Upgrade file(USB type) (T-PTMCUABC_OS_0090.zip)
Upgrade File(USB type),MAIN (T-PTMCUABC.zip)
Quick Guide
Remote control
Quick Setup Guide
User Manual (English)
e-Manual
🛠️ 1.38 m (55) OLED S90C 4K Smart AI TV (2023) Diagnostics & Maintenance Guide
Hardware maintenance procedures, USB firmware flashing steps, and Smart Hub self-diagnosis for your Samsung Smart TV:
⚡ USB Firmware Upgrade Procedure (Tizen OS)
- Format a USB flash drive (8 GB – 32 GB) to FAT32 on your computer.
- Download the verified firmware ZIP from the repository table above.
- Extract the update folder directly to the root of the USB drive (do not place in subfolders).
- Insert the drive into the port marked USB (HDD) on your 1.38 m (55) OLED S90C 4K Smart AI TV (2023).
- Go to Settings > Support > Software Update > Update Now and select Yes to search USB.
📺 Hardware Self Diagnosis (Picture & Sound Test)
- Press the Home button on your remote and open Settings.
- Navigate to Support > Device Care > Self Diagnosis.
- Run Picture Test to inspect for panel banding, backlight bleeding, or dead pixels.
- Run Sound Test to verify stereo speaker calibration or eARC soundbar pass-through.
- Check Signal Information for HDMI handshake integrity and antenna SNR levels.
🔄 Smart Hub Reset & Power Cycle
- Reset Smart Hub: Go to Settings > Support > Device Care > Self Diagnosis > Reset Smart Hub (PIN:
0000). Clears app stalls without wiping display settings. - Factory Reset: Go to Settings > General & Privacy > Reset to return to initial out-of-box setup.
- Remote Cold Reboot: With the TV powered ON, hold the Power button on the remote for 5 seconds until the TV turns off and the boot logo reappears.
❓ Frequently Asked Questions for 1.38 m (55) OLED S90C 4K Smart AI TV (2023)
How do I install USB firmware updates on 1.38 m (55) OLED S90C 4K Smart AI TV (2023)?
Format a USB flash drive (FAT32), download the verified ZIP from the table above, extract it to the root of the USB drive, insert it into the TV's USB (HDD) port, and navigate to Settings > Support > Software Update > Update Now.
Where can I find user manuals and e-Manuals for 1.38 m (55) OLED S90C 4K Smart AI TV (2023)?
All verified User Manuals, e-Manuals, Remote Control guides, and Quick Setup Guides are listed in the package table above. You can read them directly in the browser or download the verified PDF.
How do I run picture and sound diagnostics on 1.38 m (55) OLED S90C 4K Smart AI TV (2023)?
Press the Home button on your Samsung SolarCell remote, select Settings > Support > Device Care > Self Diagnosis, then choose 'Picture Test' or 'Sound Test' to evaluate panel and speaker health.
How do I reset Smart Hub if apps freeze or refuse to load?
Go to Settings > Support > Device Care > Self Diagnosis > Reset Smart Hub and enter your PIN (default is 0000). This clears app cache and network sockets without erasing your picture calibrations.
Need Hardware Replacement for 1.38 m (55) OLED S90C 4K Smart AI TV (2023)?
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