Samsung A26 5G (A266M) ISP Pinout Solution

The Samsung A26 5G (A266M) ISP pinout solution involves accessing the device’s EMMC chip for advanced repairs like firmware recovery, FRP bypass, and boot issues

The ISP points are typically located near the EMMC under the motherboard’s metal shield, requiring precision to avoid damaging surrounding components. Tools like UFI Box, Easy JTAG, or Medusa Pro are essential for interfacing with the chip via TxOp, TxOn, RxOp, and RxOn pins. Connecting these pins properly allows you to bypass the boot sequence, recover data,

Post Index:or restore partitions even when the device is unresponsive. Careful preparation and the right soldering technique are critical to successfully completing the repair process, ensuring that the phone is brought back to working condition without causing further damage.

Samsung A26 5G (A266M) ISP Pinout

If your Samsung Galaxy A26 5G (A266M) is unresponsive, trapped in a boot loop, or FRP-locked and you can’t access Fastboot or Recovery, this guide provides a chip-level repair approach. It presents the EMMC ISP pinout for the A266M and explains how to interface with the phone’s internal storage using tools such as UFI, Easy JTAG, or Medusa. With the ISP pinout you’ll be able to dump firmware, attempt FRP bypasses, repair boot issues, and recover data—along with practical connection tips and common troubleshooting steps drawn from hands-on experience.

⚙️ What is ISP (In-System Programming)?

In simple terms,Samsung A26 5G (A266M) ISP Pinout lets you access the EMMC chip directly without removing it from the motherboard. By locating the correct pinout points on the board, you can connect tools like UFI, Easy JTAG, or Medusa Pro to communicate with the chip.

The ISP Pinout method is especially useful in situations such as:

The phone is completely dead (no display, no boot, no charging).

FRP lock prevents access via ADB, Fastboot, or OTG bypass.

You need to extract firmware from a working device to fix a dead one.

You’re performing a boot repair or restoring lost partitions.

Also read: Oppo A3x ISP EMMC Ways Pinout Solution

The phone is recognized as “unknown” on a PC and EDL mode isn’t working.

Samsung Galaxy A26 5G (A266M) ISP EMMC Pinout Image:

Now, let’s get into the technical part. The Samsung A26 5G (A266M) ISP Pinout features a hardware layout that’s similar to some BBK-manufactured models, though the exact ISP pin locations may differ slightly. You can locate the ISP connection points close to the EMMC chip, typically found beneath the metal shielding on the motherboard.

💡 Tip: Always use a microscope or at least a 10x magnifier to accurately locate the ISP points—don’t rely solely on reference diagrams; visually verify the layout on your board.

When dealing with dead boot issues on devices like the Samsung Galaxy A26 5G (A266M), tools such as Easy JTAG Plus and UFI Box are highly effective for chip-level repair. They’re particularly useful when a phone has been incorrectly flashed, no longer shows the startup logo, and doesn’t respond to power or charging.

Required Tools for ISP Pinout:

Before you begin, ensure your workspace is properly equipped with the following essential tools:

UFI Box, Easy JTAG, or Medusa Pro for EMMC communication

0.1mm–0.3mm jumper wire for precise connections

Fine-tip soldering iron for accurate soldering on tiny pads

Isopropyl alcohol (IPA 99%) for cleaning the board

Soldering flux to ensure smooth, clean joints

Multimeter to check continuity and verify connections before powering up

How to Connect ISP to the EMMC Box:

Begin by removing the back cover of your phone. Detach the battery, fingerprint sensor, and camera from the motherboard.

Samsung A26 5G (A266M) ISP Pinout Unscrew and carefully lift out the motherboard, then place it safely on a non-static surface.

Locate the TxOp, TxOn, RxOp, and RxOn pins for the EMMC on the board. In some cases, you may need to gently remove or cut through the metal shield to access these points.

Prepare your UFI Box (or Easy JTAG/Medusa) and remove its adapter. Make sure the adapter’s pin layout matches the identified EMMC pin locations.

Use jumper wires to connect the four key pins—TxOp, TxOn, RxOp, and RxOn—between the motherboard and the adapter. Allow the USB connection to supply VCC and VCCQ power lines.

Insert the adapter into the UFI Box and then connect the UFI Box to your computer.

Also read: Oppo A40 EMMC Ways ISP Pinout

Finally, reconnect the battery, then connect the phone to the computer via USB to establish communication for flashing, data recovery, or repair.

✅ If the connection is properly established, the EMMC chip details will appear in your tool’s interface window, confirming successful communication.