DFT / DT Pro Tool

DFT / DT Pro Tool — Samsung & Multi-Brand Unlock Specialist

4 min read

What is DFT / DT Pro Tool?

DFT (Device Flash Tool) and DT Pro Tool are Samsung and multi-brand unlock/flash specialist tools. DFT is widely used in the repair industry for its strong Samsung operations, including direct unlock, FRP bypass, IMEI repair, and firmware flash. DT Pro extends the capabilities to additional brands.

Samsung Operations — Deep Detail

Function	Technical Method
Direct Unlock	Removes carrier/network lock by patching MSL (Master Subsidy Lock) data in phone's security partition. Works via Samsung Download mode (Odin protocol) for Exynos and Diag mode for Snapdragon variants
FRP Bypass	Samsung-specific: Download mode combination firmware flash method, ADB sideload through Setup Wizard, direct frp partition erase via Odin. Covers One UI through latest security patches
IMEI Repair	Samsung EFS partition write (Exynos) or NV item edit (Snapdragon). Restores original IMEI, WiFi MAC, Bluetooth MAC
Flash	Samsung Odin protocol: AP (system), BL (bootloader), CP (modem), CSC (region), HOME_CSC (region without data wipe). Supports full flash and selective partition flash
EFS Backup/Restore	Full EFS partition dump and restore — critical for preserving IMEI and certificates
Knox Reset	Samsung Knox warranty bit (0x1) reset to (0x0)

Multi-Brand Operations (DT Pro)

Xiaomi/Redmi/POCO: FRP, Mi Account, IMEI, flash (EDL + Fastboot)
Huawei/Honor: Unlock codes, FRP, flash, bootloader
Oppo/Realme/OnePlus: FRP, IMEI, flash (MTK + QC)
Vivo: FRP, IMEI, flash
Tecno/Infinix/ITEL: FRP, IMEI, flash (MTK BROM + SPD)
LG: Direct unlock, read codes, flash KDZ/TOT

DFT/DT Pro uses a credit-based system for pay-per-use operations.

How to Use DFT/DT Pro: Step-by-Step

Purchase DFT/DT Pro credits from Code-GSM
Download the software from the official website and install
Log in with your account credentials
For Samsung (DFT): Put phone in Download mode (Vol Down + Power) → connect USB → click Read Info → select Unlock/FRP/IMEI
For multi-brand (DT Pro): Select brand/chipset tab → connect phone in the required mode → detect → select operation → execute

Tips

DFT is the Samsung-specific module — uses Download mode for all Samsung operations
DT Pro extends coverage to other brands (Xiaomi, Huawei, Oppo, etc.) via MTK/QC/SPD protocols
For Samsung MSL patch operations: ensure the phone firmware is up to date
Install Samsung USB drivers from the Samsung website or through KIES

Browse DFT/DT Pro at Code-GSM

How to Enter Samsung Download Mode

Samsung Download Mode (required for DFT operations) is entered as follows:

Samsung Generation	How to Enter Download Mode
Galaxy S20/S21/S22/S23/S24, A52+, A72+, Z series	Power OFF → hold Vol Down → plug USB cable → hold Vol Down until Download Mode screen, then press Vol Up to confirm
Galaxy S10, S9, S8, Note 10/9/8	Power OFF → hold Vol Down + Home + Power simultaneously → confirm with Vol Up
Galaxy A30, A50, A70, A20, M series (older)	Power OFF → hold Vol Down + Power → confirm with Vol Up
Galaxy Tab (all)	Power OFF → hold Vol Down + Power (for models with Home button: Vol Down + Home + Power)

Troubleshooting DFT / DT Pro

Problem	Solution
Samsung not detected by DFT (no COM port in Odin)	Install Samsung USB drivers. Use a USB 2.0 port directly (not via hub). Use the official Samsung USB cable. Try Samsung Smart Switch installation which includes all drivers
Direct unlock fails — "Service unavailable"	Some Samsung models require a specific firmware version for direct unlock. Update or flash the latest firmware via Odin, then retry. Alternatively use combination firmware method
DT Pro doesn't detect non-Samsung device	Install chipset-specific drivers (MTK VCOM for MTK, Qualcomm 9008 for QC). Put the device in the correct mode (BROM/EDL/ADB) before connecting
"EFS read failed"	Ensure device is in correct mode. Some Samsung models need the EFS backup done while in Download Mode, others in ADB mode. Check DFT's device compatibility notes

Frequently Asked Questions

Q: What is the difference between DFT and DT Pro?
A: DFT (Device Flash Tool) focuses specifically on Samsung operations using the Odin/Download mode protocol. DT Pro extends coverage to multi-brand Android devices (Xiaomi, Huawei, Oppo, etc.) using MTK, Qualcomm, and SPD protocols.

Q: Can DFT/DT Pro bypass Samsung FRP without combination firmware?
A: On some models — yes, via ADB sideload method. On others, combination firmware flash is required. DFT detects which method is compatible with your firmware version automatically.

Q: Does flashing via DFT trigger Samsung Knox?
A: Flashing non-official firmware trips Knox. However, flashing official Samsung firmware via Odin/DFT for purposes of FRP/unlock does not necessarily trip Knox if using HOME_CSC (region change without wipe).

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