Samsung Galaxy S20+ 5G G986 UFS / ISP Pinout | Test Point & Firmware Guide

📱 Introduction

If your Samsung Galaxy S20+ 5G (G986) is dead, locked, or stuck in bootloop, you can use the UFS/ISP pinout to connect it directly via EasyJTAG, UFI, or CM2.
This guide provides the tested Samsung S20+ 5G G986 ISP pinout, firmware info, and connection method for data recovery and full flash repair.

⚙️ What Is UFS/ISP Pinout?

The ISP (In-System Programming) pinout allows direct access to your UFS memory chip using a hardware box.
Technicians use it to:

• Remove FRP / KG Lock

• Backup or restore firmware

• Recover data from dead phones

• Fix corrupted partitions

🧰 Tools Required

• UFI Box / EasyJTAG Plus

• Micro jump wires

• Soldering tools

• UFS ISP Pinout diagram (below)

• Original Samsung Galaxy S20+ G986 firmware (available on MobiFirms.com)

🔧 How to Connect Samsung G986 via ISP

1. Remove the phone’s back cover and locate the UFS chip.

2. Identify the test points using the provided diagram.

3. Solder wires to the respective ISP points (CLK, CMD, VCC, GND).

4. Connect to UFI Box or EasyJTAG Plus.

5. Detect the UFS chip and backup or flash firmware as needed.

⚠️ Note: Always use official firmware downloaded from MobiFirms.com to avoid bricking the device.

💾 Download Section

👉

• Stock ROM (Official)

• Boot & Recovery Files

• PIT and CSC Files

🧩 Common Issues Fixed with ISP Pinout

• Device not booting / stuck on logo

• FRP lock / KG lock after factory reset

• IMEI repair and EFS restore

• Full UFS dump and recovery