📱 Full Tutorial: How to Flash
Samsung Firmware Using ADB & Odin (No Fastboot)
If you're a Samsung user trying to
unlock features, fix boot issues, or install new firmware, you've probably
searched for Samsung fastboot commands. But unlike Nokia or Xiaomi, Samsung
phones do not support Fastboot mode. Instead, they use Download Mode (Odin
Mode) along with the Odin Flash Tool.
In this guide from Salinda Mobile
Trincomalee, I’ll show you step-by-step how to flash Samsung devices using ADB
and Odin.
🔧 What You Need
- A
Samsung phone
- A
Windows PC
- USB
cable
- Latest
Samsung USB Drivers
- Odin
Tool (Download from XDA or official Samsung forums)
- Samsung
firmware (.tar.md5 files) from trusted sources like SamMobile or Frija
- ADB
and Fastboot tools (for ADB commands only)
🔹 Step 1: Enable Developer
Options
- Go
to Settings > About phone > Software Information
- Tap
Build Number 7 times until you see “Developer mode enabled”
- Go
back to Settings > Developer Options
- Turn
on USB Debugging
- Also
enable OEM Unlocking (if you plan to unlock bootloader)
🔹 Step 2: Use ADB Commands
Connect your phone to your PC with USB
cable.
Open CMD or Terminal in the ADB folder,
then run:
adb devices
Confirms device connection.
adb reboot download
Reboots into Download Mode (Odin Mode).
adb reboot recovery
Reboots into stock recovery mode.
🔻 Step 3: Enter Samsung Download
Mode Manually
If ADB doesn't work, use the hardware
method:
- Power
off your Samsung phone.
- Press
and hold:
- Volume
Down + Power (on newer models), or
- Volume
Down + Bixby + Power (on older models)
- Connect
USB cable while holding buttons.
- Press
Volume Up to continue to Download Mode.
⚙️ Step 4: Flash Firmware Using Odin
- Download
the correct firmware for your device.
- Extract
it. You’ll get .tar.md5 files.
- Open
Odin as Administrator.
- Load
files into their respective slots:
|
Odin Button |
File Example |
|
BL |
BL_*.tar.md5 |
|
AP |
AP_*.tar.md5 |
|
CP |
CP_*.tar.md5 |
|
CSC |
CSC_.tar.md5 or HOME_CSC_.tar.md5 |
Use CSC to wipe data (clean install), or
HOME_CSC to retain your data.
- Make
sure Auto Reboot and F. Reset Time are checked.
- Click
Start and wait for Odin to say PASS.
🚪 Optional: Unlock Bootloader
(If Supported)
⚠️ Only works on select Samsung models.
- Enable
OEM Unlocking in Developer Options.
- Power
off and enter Download Mode.
- Long-press
Volume Up to unlock bootloader.
- Your
phone will factory reset and reboot.
✅ Done! Your Samsung device is now
flashed or reset.
You can use this method to:
- Fix
boot loops
- Downgrade
or upgrade firmware
- Restore
stock ROM
- Unbrick
a soft-bricked Samsung phone
📱 All ADB & Fastboot
Commands for Samsung Phones (2025 Guide)
Are you searching for Samsung Fastboot
commands to flash firmware or unlock your device?
In this post, I will explain all the ADB
commands you can use with Samsung, and what to use instead of Fastboot.
❌ No Fastboot Mode on Samsung Devices
Most Android devices use Fastboot mode,
where you can use commands like:
fastboot devices
fastboot flash boot boot.img
fastboot oem unlock
However, these do NOT work on Samsung.
If you try:
adb reboot bootloader
Samsung devices will just reboot — no
Fastboot screen will appear.
✅ ADB Commands That Work on Samsung
To use these, enable Developer Options
> USB Debugging on your Samsung phone.
Then, connect the phone via USB and open
Command Prompt or Terminal in your ADB folder.
adb devices
Show connected Android devices
adb reboot
Restart your Samsung phone
adb reboot recovery
Reboot to Recovery Mode
adb reboot download
Reboot into Download Mode (Odin Mode)
adb shell
Open Android shell (for advanced users)
adb push <file> /sdcard/
Send a file from PC to phone storage
adb pull /sdcard/<file>
Copy file from phone to PC
🔻 What to Use Instead of
Fastboot?
Since Fastboot is not supported, here’s
what Samsung uses:
|
Task |
Samsung Method |
|
Flash Firmware |
Odin Tool + .tar.md5 |
|
Unlock Bootloader |
OEM Unlock + Download Mode |
|
Boot to special modes |
ADB Reboot or Hardware Keys |
|
Device communication |
ADB Commands |
⚙️ Samsung Flashing Tools
- Odin
Tool – Flash stock firmware
- Frija
/ SamFirm – Download official firmware
- Samsung
USB Drivers – Required for PC to detect phone
- ADB
& Fastboot Platform Tools – For basic ADB access
📝 Summary
- ✅
Samsung uses ADB and Download Mode, not Fastboot
- ❌
fastboot commands will not work
- ✅
Use Odin Tool to flash .tar.md5 firmware
- ✅
Use ADB to reboot to recovery, download mode, or transfer files
💬 Need help? Leave a comment or
contact Salinda Mobile Trincomalee if you're unsure which firmware to use or
face any issues during flashing.
Stay connected for more tutorials on
mobile flashing, unlocking, and repairs!