Samsung A31 ISP Pinouts | eMMC Test Points | UFS / ISP Pinout Diagram | Hardware Repair Guide

Описание: In this video we provide the Samsung A31 ISP pinouts / eMMC pinouts for professional data repair work such as firmware write, dead boot repair, FRP remove (authorized), userdata dump, boot repair, and testing.

These ISP points help technicians perform direct data access to eMMC/UFS using boxes & tools like UFI, EasyJTAG, Medusa Pro, MRT, Hydra, and similar.
No voice-over used — visuals only for clarity.

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🔧 30 Step-by-Step Hardware Repair / ISP Guide

Disassemble Samsung A31 carefully.

Remove back cover.

Disconnect battery.

Remove mainboard from body.

Protect flex cables.

Remove shields if required.

Locate UFS/eMMC memory chip.

Check board revision (important for orientation).

Identify ISP pads near memory.

Clean pads with IPA before wiring.

Map CLK, CMD, DAT0, VCC, VCCQ, Ground.

Verify no corrosion on pad area.

Prepare wires for ISP connection.

Match with UFI/EasyJTAG pinout layout.

Connect Ground first.

Connect VCC/VCCQ with controlled power.

Connect CLK, CMD, DAT0 lines.

Do not miswire (risk short).

Connect USB cable to box.

Use correct software module.

Identify storage.

Read eMMC/UFS info.

Backup important partitions.

Repair dead boot (if required).

Write firmware partitions (if needed).

Disconnect safely.

Remove wires.

Reassemble mainboard.

Complete phone assembly.

Final boot test.

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#SamsungA31 #ISPPinout #eMMC #UFS #DataRepair #EasyJTAG #UFIBOX #DeadBootRepair #HardwareRepair #TestPoint