Samsung Galaxy A15 5G (SM-A156E) ISP Pinout Solution

If you're facing issues like dead boot, Samsung Galaxy A15 5G (SM-A156E) ISP Pinout FRP lock, or other firmware-related problems with your Samsung Galaxy A15 5G (SM-A156E)

the ISP (In-System Programming) Pinout method can be an effective solution. This process allows you to access the phone’s eMMC or UFS memory directly without the need to power on the device, which can be crucial for repairing or re-flashing the firmware.

Samsung Galaxy A15 5G (SM-A156E) ISP Pinout

Post Index:Having trouble flashing your Samsung Galaxy A15 5G (SM‑A156E) or dealing with an FRP/MDM lock? The device’s UFS ISP pinout can be useful for authorized repair tasks—such as restoring stock firmware, resetting user locks, or working with UFS dumps

but should only be used by trained technicians or with the device owner’s permission. Below you’ll find the SM‑A156E ISP pinout and guidance on its proper, legitimate use; if you’re unsure, contact Samsung support or an authorized service center to avoid voiding warranties or breaking the law.

1. Tools and Equipment You'll Need

Before starting, ensure you have the following tools for the job:

ISP Toolbox: UFI Box, Easy JTAG, or Medusa Pro (compatible with ISP interface)

Precision Soldering Tools: Fine-tip soldering iron and 0.1mm – 0.3mm jumper wires

Soldering Flux for cleaner and secure connections

Isopropyl Alcohol (IPA 99%) for cleaning components after soldering

Multimeter for continuity testing

Also read: Samsung A26 5G (A266M) ISP Pinout Solution

Magnification Tools (such as a magnifying glass or microscope) for clear visibility of tiny components

PC with compatible ISP software (e.g., UFI or Easy JTAG software)

What is ISP (In-System Programming)?

Samsung Galaxy A15 5G (SM-A156E) ISP Pinout In simple terms, ISP allows you to directly access the EMMC chip of a device without needing to remove it from the board. By identifying the correct pinout and using a compatible EMMC tool like UFI, Easy JTAG, or Medusa Pro, you can interface with the chip directly and perform repairs or operations without powering up the device.

ISP Pinout is especially helpful in situations such as:

The phone is dead (black screen, no boot, no charging)

FRP is locked, preventing the use of ADB, fastboot, or OTG bypass methods

You need to dump firmware from a working device to fix a dead one

Working on boot repairs or restoring lost partitions

The phone is detected as "unknown" in your PC, and EDL mode is not functioning

Samsung Galaxy A15 5G SM-A156E ISP EMMC Pinout Guide:

Disassemble the Phone:

Begin by removing the back cover of your phone.

Take out the battery, fingerprint reader, and camera from the motherboard.

Unscrew and remove the screws securing the motherboard in place, then carefully lift the motherboard out and set it aside in a safe location.

Locate the EMMC Pins:

Look for the TxOp, TxOn, RxOp, and RxOn pins on the device’s motherboard. In some cases, you might need to cut through the steel cover to expose these pins.

Set Up the UFI Box:

Take the UFI box and remove the adapter from it.

The pins on the adapter should match the TxOp, TxOn, RxOp, and RxOn pins you've identified earlier.

Connect the Pins:

Use jumpers to connect the four pins (TxOp, TxOn, RxOp, and RxOn) between the base and the adapter.

Leave the USB connection to supply the VCC and VCCQ power.

Connect the Devices:

Insert the connector into the UFI box and connect the box to your computer.

Reconnect the battery to the motherboard.

Finally, connect the phone to your computer using the USB cable.

Following these steps should allow you to successfully interface with the eMMC chip for flashing, repairing, or extracting data.

Samsung Galaxy A15 5G (SM-A156E) ISP Pinout When dealing with dead boot issues, particularly for devices like the Samsung Galaxy A15 5G SM-A156E, tools like the Easy JTAG Plus and UFI Box dongles are invaluable for mobile repairs. These tools are especially useful in cases where the phone has been improperly flashed and no longer shows the startup logo or responds to power.

Also read: Samsung A06 SM-A065F EMMC ISP Solution

By connecting to the device’s eMMC or UFS chip via ISP (In-System Programming), these dongles allow technicians to restore functionality, reflash firmware, and repair boot issues even when the phone seems completely unresponsive.

Required Tools for ISP Pinout:

Before diving into the repair process, ensure you have the following tools ready on your bench:

Samsung Galaxy A15 5G (SM-A156E) ISP Pinout UFI Box, Easy JTAG, or Medusa Pro (ISP-compatible dongles)

0.1mm – 0.3mm jumper wires for precise connections

Fine tip soldering iron for delicate work

Isopropyl Alcohol (IPA 99%) to clean components

Soldering flux for better connections

Multimeter to check continuity and ensure proper connections

Connecting the UFI Box:

Insert the UFS ISP Adapter into the UFI Box.

Connect the UFI Box to your PC via USB.

Launch UFI Software on your computer.

Navigate to the UFS Tool Box in the software.

Select ISP Mode to begin the process.

🛑 Tips & Precautions:

Always work on an ESD-safe surface to prevent damage to components.

Avoid forcing jumpers into the pins—use magnification and a steady hand for accuracy.

Backup data before making any changes to the phone.

Double-check pinouts before applying power to ensure everything is correctly connected.