In this post, you’ll get the tested and working Samsung Galaxy S25 FE SM-S731B UFS ISP pinout image, That helps you to flashing firmware, reprogramming the UFS chip, FRP bypass, MDM or erase user lock, and repair dead boot, etc easily.
What is Samsung S25 FE UFS ISP Pinout?
ISP (In-System Programming) allows flash chip to be programmed without removing it from the PCB. It uses a specific pinout and protocol to communicate with computer.
Read more: Samsung Galaxy S24 Ultra SM-S928B EDL Test Point
A test point is a copper points on a PCB that allows you to boot the phone into the emergency download mode to perform flashing, unlocking or repairing the phone.
Samsung Galaxy S25 FE SM-S731B ISP PinOUT Diagram Image:
The Samsung S25 FE ISP and Test Point enables you to carefully boot into Flash Mode. So, follow the below methods to successfully boot to Samsung Galaxy S25 FE SM-S731B ISP Mode.
Also read: How to Enter Download or EDL Mode on Oppo Phone
More: QPST Tool – Qualcomm QPST Flash Tool Download Latest All Version
UFS ISP Pin Labels You Need:
- RXOP – Receive Out Positive
- RXON – Receive Out Negative
- RST – Reset
- TXOP – Transmit Out Positive
- TXON – Transmit Out Negative
- GND – Ground
Tip: You can use a microscope or a 10x magnifier to identify the points correctly.
Do read: Vivo T2 5G Test Point
Required Tools for ISP Pinout Method
Make sure your workstation includes:
- UFI Box, Easy JTAG Plus, or Medusa Pro
- 0.1mm – 0.3mm jumper wires
- Fine-tip soldering iron
- Soldering flux
- Isopropyl Alcohol (IPA 99%)
- Multimeter
- Microscope or magnifier
Also read: Redmi Note 14 Pro ISP Pinout
How to Connect ISP to UFS or EMMC Box
- Open the back panel of the Samsung S25 FE.
- Disassemble the phone.
- Locate the eMMC chip area on the PCB.
- Find & Solder to ISP Points
- Use the above diagram to identify these pins: CLK, TXON, TXOP, GND, and RXON, RXOP.
- Samsung S25 FE ISP PinOUT to Hard Reset, FRP Bypass or Flash firmware.
Read more: Vivo Y28e and Y28s 5G Emmc ISP Pin
- Or, you can use the test points.
- Connect to UFI or Easy JTAG,
- In the UFI or Easy Jtag Software:
- Click Identify UFS
- Bypass FRP: Navigate to: User Partition – Special Task – Reset FRP
- Fix Dead Boot: Select the firmware & click flash.
- That’s it.
Also: Samsung Galaxy F15 5G SM-E156B UFS ISP PinOut
Warning: Incorrectly shorting test points can damage the Samsung S25 FE. Proceed with caution!
