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    Samsung Galaxy On5 (SM-G550T) - TMB - G550TUVU2AQC4 firmware

    Samsung Galaxy On5 firmware G550TUVU2AQC4 is the Android 6.0.1 build for the Samsung Galaxy On5 (model SM-G550T), released by Samsung for USA (T-Mobile) (TMB). It was built on 23 March 2017, carries the 2017-03-01 Android security patch, has changelist 8180604. The package combines system build G550TUVU2AQC4 (AP/PDA) with CSC build G550TTMB2AQC4 for the TMB region code. The download is 1.3 GB and has MD5 checksum 0adf0ae465ef7f1c48edb987be8dd239, so you can verify the file after downloading. SamMobile added this file to the firmware archive on 21 August 2026.

    Country
    Model SM-G550T
    Product Code TMB
    Security Patch 2017-03-01
    OS Version Android 6.0.1
    PDA G550TUVU2AQC4
    CSC G550TTMB2AQC4
    Build Date 2017-03-23
    Changelist 8180604
    File size 1.3 GB (1,424,336,741 bytes)
    MD5 0adf0ae465ef7f1c48edb987be8dd239
    Join to Download Fast download

    How to flash G550TUVU2AQC4 on the Samsung Galaxy On5 (SM-G550T)

    We recommend updating through Samsung's own tools: over-the-air (Settings › Software update) or Samsung Smart Switch on a PC. Flash the full firmware with Odin only when you are sure about the risks. A wrong region or a failed flash can brick the device, and SamMobile is not responsible for any damage.

    1. Download the firmware package above and extract the ZIP. It contains the AP (PDA), BL, CP and CSC files, plus a HOME_CSC file.
    2. Download and extract Odin on a Windows PC, and install the Samsung USB drivers if the PC does not detect the phone.
    3. Switch the device off and boot it into Download mode (usually Volume Up + Volume Down while connecting the USB cable, or Volume Down + Bixby + Power on older models).
    4. Open Odin. The ID:COM box turns blue when the device is connected.
    5. Load the files in their slots: BL, AP, CP and CSC. Use HOME_CSC to keep your apps and data, CSC to wipe the device.
    6. Leave Re-Partition unticked and click Start. The device reboots when Odin shows PASS. The first boot after a flash can take a few minutes.

    Step-by-step PDFs: 5-file firmware and 1-file firmware.

    What the build numbers mean

    PDA / AP (G550TUVU2AQC4) is the Android system build; its last three characters encode the year, month and revision. CSC (G550TTMB2AQC4) is the region and carrier configuration, and CP is the modem firmware. The product code TMB identifies the region or carrier this package was made for (USA (T-Mobile)); our list of Samsung CSC codes maps every code to its country and carrier. Flashing a package for a different product code changes carrier features and can be refused by the bootloader, so pick the one that matches the CSC shown under Settings › About phone › Software information.