Samsung SM-S9310 ISP Pinout – 100% Tested & Verified Hardware Repair Guide
The Samsung SM-S9310 (Galaxy S24 – Hong Kong/China variant) by Samsung is a flagship Android smartphone engineered with advanced hardware performance, AI-powered features, Samsung Knox security, encrypted UFS internal storage, and a highly secured boot chain. Due to these strong security layers and restricted low-level access, repairing the device using standard software-based flashing tools can become extremely difficult when it is dead, stuck on the Samsung logo, bootlooped, locked, or completely unresponsive.
To solve such complex hardware issues, the ISP (In-System Programming) Pinout method provides a reliable and professional hardware-level solution. The SM-S9310 ISP Pinout is 100% tested and verified, ensuring stable communication with the internal UFS storage and delivering a high success rate for professional mobile repair technicians.
What Is ISP Pinout?
ISP (In-System Programming) Pinout is a motherboard-level repair technique that allows technicians to directly access the phone’s internal UFS storage without removing the memory chip from the PCB. By connecting to specific ISP test points, technicians can bypass:
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Samsung Knox and secure-boot restrictions
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Corrupted firmware or damaged system partitions
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USB communication and detection failures
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Blocked recovery, fastboot, or Odin access
For the Samsung SM-S9310, ISP access becomes essential when conventional flashing tools fail to revive the device.
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Storage Technology Used
Most Samsung SM-S9310 (Galaxy S24) units are equipped with:
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High-speed UFS internal storage
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Encrypted userdata and metadata partitions
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Samsung Knox & Android Verified Boot (AVB) protection
Because of this modern security architecture, UFS-based ISP access is required for deep-level repair and advanced data recovery.
Common ISP Signals Used
The 100% tested ISP Pinout for Samsung SM-S9310 typically includes the following signals:
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CLK / REF_CLK (Reference Clock)
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RX / TX (UFS Data Lines)
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VCC / VCCQ (Power Supply Lines)
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GND (Ground)
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RESET (if required)
These test points are located directly on the motherboard and must be accessed using precision micro-soldering techniques under a microscope.
When ISP Pinout Is Required
The ISP Pinout method is commonly used in advanced and critical repair cases such as:
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Device completely dead or not powering on
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Phone stuck on Samsung logo
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Endless reboot or severe bootloop
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Corrupted boot, system, vendor, or metadata partitions
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Device not detected by PC via USB
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Failed or interrupted Odin flashing
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Knox security blocking normal access
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Data recovery from non-booting devices
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Phones with damaged USB or power circuitry
Because this pinout is 100% tested, it provides significantly higher reliability compared to generic ISP diagrams.
Supported Operations Using 100% Tested ISP Pinout
With the tested ISP Pinout for Samsung SM-S9310, professional technicians can perform:
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Direct read and write access to UFS memory
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Dead-boot repair
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Restore corrupted boot, system, vendor, and metadata partitions
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Backup and recover important user data
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Repair devices restricted by Knox security
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Recover phones not detected by PC
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Fix devices after failed OTA or firmware updates
This method provides deep hardware-level control that cannot be achieved with standard software-based tools.
Required Tools and Equipment
To safely perform ISP operations on the Samsung SM-S9310, the following tools are recommended:
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Professional UFS ISP-supported box or programmer
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Stable and adjustable DC power supply
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Ultra-fine jumper wires
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High-magnification microscope
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Precision soldering station
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Anti-static (ESD-safe) working environment
UFS ISP repair requires advanced technical expertise. Incorrect wiring or improper voltage can permanently damage the motherboard or storage chip.
Important Safety Guidelines
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Always disconnect the battery before making ISP connections
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Double-check pinout orientation before applying power
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Never exceed recommended UFS voltage levels
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Avoid excessive heat near CPU, PMIC, and UFS areas
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Use only 100% tested ISP Pinout diagrams
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Recommended strictly for experienced technicians
Improper handling may result in irreversible data loss or permanent hardware damage.
Why Use ISP Instead of Software-Based Methods?
Software-based flashing depends on partial device functionality and stable USB communication. ISP Pinout works even when the phone is completely dead or unresponsive, making it the most effective solution for Knox-protected Samsung flagship devices.
For the Samsung SM-S9310, a 100% tested ISP Pinout ensures safer UFS access, higher repair success rates, and reduced risk during advanced hardware servicing.
Conclusion
The Samsung SM-S9310 ISP Pinout – 100% Tested is a professional-grade hardware repair solution designed for advanced mobile repair and data recovery specialists. When Odin, recovery mode, and USB-based flashing methods fail, this verified ISP approach provides direct and secure access to the device’s internal UFS storage.
This solution enables dead-boot recovery, secure partition repair, and reliable data extraction—saving time and delivering consistent, professional repair results