Samsung G550fy Flash File 4 File Google Drive Top (2026)

The Samsung Galaxy On5 (SM-G550FY) 4-file flash firmware is essential for deep software repairs, such as fixing boot loops, removing FRP (Factory Reset Protection), or completely restoring the device to its factory state. Unlike a standard single-file firmware, the "4-file" (or repair) firmware splits the data into specific components to ensure a clean installation. Firmware Components (4 Files)

When you download the SM-G550FY package, it typically contains: BL (Bootloader): Contains the bootloader code. AP (System): The main operating system and system files.

CP (Modem): Handles radio frequencies, Wi-Fi, and connectivity.

CSC (Country Specific Code): Contains region-specific settings. Note that using the standard CSC file will wipe all user data, while using the HOME_CSC file may keep it. Firmware Details Device Model: SM-G550FY (Galaxy On5 / On5 Pro).

Region: Common regions include India (INS) and Sri Lanka (SLI).

OS Versions: Available in Android 6.0.1 (Marshmallow) and Android 7.1.1 (Nougat). File Size: Approximately 1.2 GB to 1.3 GB. Download Sources

For fast and reliable downloads, many technicians prefer links hosted on Google Drive due to the lack of speed throttling compared to standard firmware repositories.

Official/Semi-Official: Websites like Sammobile and SamFW provide comprehensive lists of all released versions.

Tools: You can use Odin to flash these files and Samsung Smart Switch for official restores. How to Flash SM-G550FY samsung g550fy flash file 4 file google drive top

Preparation: Charge your device to at least 50% and install the Samsung USB Drivers on your PC.

Download Mode: Power off the device. Hold Volume Down + Home + Power until a warning screen appears, then press Volume Up to enter Download Mode.

Odin Setup: Open Odin and connect your phone. The ID:COM port should turn blue or yellow.

Load Files: Assign the BL, AP, CP, and CSC files to their respective slots in Odin.

Start: Click Start. Once finished, the device will reboot automatically, and Odin will show a "PASS" message.

Samsung Galaxy On5 (SM-G550FY) , the "4-file" flash (often called repair or service firmware) is used to perform a full factory restoration and fix software-related issues like boot loops. Download Resources

While official repair firmware is typically distributed through Samsung's servers, community-shared mirrors on Google Drive are common for older models like the G550FY: Google Drive Link : You can find a community-hosted mirror for 4-file Samsung firmware here Official Firmware Source

: For the latest individual firmware files (INS India region), check the SamMobile G550FY repository Flash File Components (The 4 Files) The Samsung Galaxy On5 (SM-G550FY) 4-file flash firmware

When you extract the full firmware package, you will typically find these four specific files to be loaded into the Odin flashing tool BL (Bootloader) : Reinstalls the device's bootloader. AP (System/Recovery) : The main system file (previously called PDA). CP (Modem) : Contains the baseband and radio firmware. CSC (Consumer Software Customization) : Re-partitions and wipes the device for a clean install Flashing Instructions Prepare the Device : Ensure the battery is at least 30% charged and you have Samsung USB Drivers installed on your PC Enter Download Mode Power off the device. Press and hold Volume Down + Home + Power buttons simultaneously. When the warning screen appears, press to confirm Use Odin Tool Open Odin on your PC as an administrator.

Connect your phone; a blue/yellow box in Odin will indicate it is "Added"

Load each file (BL, AP, CP, CSC) into its corresponding slot in the Odin interface

to begin the process. Once finished, a green "PASS" message will appear Install Official Firmware on Any Samsung Galaxy

Installation Process:

Step 1: Extract Files Create a folder named G550FY_Flash and extract the downloaded Google Drive ZIP file there.

Step 2: Boot Samsung into Download Mode

Turn off the phone.
Press and hold Volume Down + Home + Power simultaneously.
When warning appears, press Volume Up to continue.

Step 3: Launch Odin

Run Odin3 as Administrator.
Connect your phone to PC. Odin should show a blue or yellow box in the ID:COM port section.

Step 4: Load the 4 Files

Click BL → Select the file starting with BL_...
Click AP → Select the file starting with AP_... (This may take 10 seconds to load)
Click CP → Select the file starting with CP_...
Click CSC → Select the file starting with CSC_... (Do NOT use HOME_CSC)

Step 5: Configure Options

Ensure only Auto Reboot and F. Reset Time are checked.
Do NOT check Re-Partition, Phone EFS Clear, or Nand Erase.

Step 6: Start Flashing

Click the Start button.
Wait approximately 3-5 minutes. The progress bar will move, and the phone will reboot automatically.
When you see PASS! in a green background, you can disconnect the cable.

Frequently Asked Questions (FAQ)

2. Claim: “Google Drive top” – what it likely means

Hosted on Google Drive → no waiting time, direct download, less risk of malicious pop-ups compared to ad-heavy file hosts.
“Top” → possibly a user-labeled “best” version (e.g., latest build, tested working, or clean).

Flashing Procedure

Step 1: Extract Files

Use 7-Zip or WinRAR to extract the downloaded G550FY_4File.zip.
You will see 4 files: AP_G550FY...tar.md5, BL_G550FY...tar.md5, CP_G550FY...tar.md5, CSC_G550FY...tar.md5.

Step 2: Boot Your Phone into Download Mode

Power off the phone completely.
Press and hold Volume Down + Home + Power buttons simultaneously.
When a warning screen appears, press Volume Up to continue to Download Mode.

Step 3: Launch Odin as Administrator

Right-click Odin3.exe → Run as Administrator.
You should see a blue or yellow box under “ID:COM” (this means your phone is detected).

Step 4: Load the 4 Files into Odin

Click the BL button → select the BL_G550FY...tar.md5 file.
Click the AP button → select the AP_G550FY...tar.md5 file (this takes the longest to load).
Click the CP button → select the CP_G550FY...tar.md5 file.
Click the CSC button → select the CSC_G550FY...tar.md5 file.
DO NOT tick “Re-Partition” or “Phone EFS Clear”.

Step 5: Configure Odin Options

On the left side, ensure only Auto Reboot and F. Reset Time are checked.
Uncheck “Nand Erase All” and “T Flash”.

Step 6: Start the Flash

Click the Start button.
You will see a green progress bar on the phone and a “SetupConnection” message in Odin.
Wait 3-5 minutes. The phone will restart automatically when Odin shows PASS! in green.

Step 7: First Boot

First boot takes 5-10 minutes. Do not touch the phone.
Set up your device as new. The flash is complete.

Report: Samsung SM-G550FY Flash File (4-File Firmware)

Q4: Can I downgrade from Android 6.0.1 to 5.1.1?

No. Samsung has anti-rollback (knox guard) on the G550FY. Flashing an older bootloader will result in a brick. The file provided here matches the latest bootloader.