• Device Model: Samsung Galaxy C9 Pro (SM-C900F / SM-C900Y / C900FD / C900FY)
• Regional Variant: Global / International / Asia
• Processor / Platform: Qualcomm Snapdragon 653 (MSM8976 Pro)
• Stock OS: Android 6.0.1 Marshmallow / Android 7.1.1 Nougat / Android 8.0 Oreo
• Target Recovery: TeamWin Recovery Project (TWRP)
• Status: 100% Tested & Verified Working

Prerequisites & Preparation​

1. Samsung USB Drivers: Download and install official Samsung Mobile USB drivers on your PC.
2. Flashing Utility: Download Odin3 (v3.13.1 or v3.14.4).
3. Recovery Tar: Obtain the verified twrp-c9lte-c900f.tar file.
4. Data Cable: Certified USB Type-C data cable connected directly to a motherboard USB port.
5. Battery Level: Keep the device battery charged to at least 50%.
6. Data Backup: Unlocking OEM and formatting data will erase all personal files. Back up your data beforehand.

Step-by-Step Installation Instructions (Nasıl Yüklenir?)​

Step 1: Enable Developer Options & OEM Unlock​

1. Go to Settings > About Device (or About Phone) > Software Information.
2. Tap Build Number 7 times continuously until "Developer mode has been enabled" appears.
3. Return to Settings > Developer Options.
4. Enable USB Debugging.
5. Enable OEM Unlocking (Crucial: Prevents Custom Binary Blocked by FRP Lock error in Odin).

Step 2: Boot into Samsung Download Mode​

1. Power off the device completely.
2. Press and hold Volume Down + Home + Power buttons together until the blue warning screen appears.
3. Press Volume Up once to confirm and enter Download Mode (Odin Mode).

Step 3: Flash TWRP via Odin​

1. Launch Odin3 as Administrator on your PC.
2. Connect your phone via the USB Type-C cable. The ID:COM box in Odin will turn light blue/yellow.
3. Click the AP (or PDA) button and select your twrp.tar file.
4. Go to the Options tab in Odin:
   
   • Keep F. Reset Time checked.
   • Uncheck Auto Reboot (Essential: Prevents Android from booting automatically and replacing TWRP with the stock recovery).
5. Click Start to flash and wait for Odin to display the green PASS! status.

Step 4: First Boot into TWRP Recovery & Format Data​

1. Unplug the USB cable.
2. Force power off / restart by pressing and holding Volume Down + Power.
3. The exact second the screen goes dark, immediately switch fingers and hold Volume Up + Home + Power.
4. Release the buttons once the Samsung logo appears with small blue/yellow recovery text at the top left.
5. The phone will boot into the TWRP interface.
6. In TWRP:
   
   • Swipe to allow modifications.
   • Tap Wipe > Format Data, type yes, and confirm (wipes factory encryption and dm-verity).
   • Go back to the main menu and flash Magisk.zip or no-verity-opt-encrypt.zip via Install to ensure permanent root and prevent bootloops.
7. Go to Reboot > System.