PinOUT Samsung Galaxy A03s A037F ISP EMMC
Samsung Galaxy A03s (A037F) ISP PinOUT guide for EMMC repair. Learn exact test point connections for dead boot, data recovery, and firmware flashing using ISP method safely
The Samsung Galaxy A03s A037F ISP EMMC PinOUT is an essential solution for mobile technicians dealing with dead boot, stuck logo, or corrupted firmware issues. Using the ISP (In-System Programming) method, technicians can directly access the EMMC chip without removing it from the motherboard, saving both time and risk.
Post Index:By connecting the correct CMD, CLK, DAT0, VCC, and GND points, the device memory can be read, repaired, or flashed using professional tools. This method is especially useful when USB flashing fails or the phone is completely unresponsive, making ISP PinOUT a reliable and advanced repair technique for the Galaxy A03s.
You can easily obtain the Samsung Galaxy A03s (SM-A037F) ISP Pinout connection by following the complete step-by-step guide provided below, including reference images. Using the EMMC ISP Pinout, you can perform tasks such as FRP bypass, user data reset, and software repair on the device with tools like EasyJTAG Plus Box, UFI Box, or other compatible ISP tools.
With this method, removing Pattern Lock, Screen Lock, or Fingerprint Lock on the Samsung Galaxy A03s A037F becomes simple and effective. Both beginner technicians and experienced Android software professionals can successfully use this process. However, make sure that the USB cable is functioning properly and the battery has sufficient charge. If the USB is not detected or the battery is completely drained, the connection may fail and the process will not work as expected.
By using the Samsung Galaxy A03s A037F EMMC ISP Pinout, you can perform multiple advanced operations, including:
Flashing or restoring the stock firmware
FRP lock removal
MDM lock and lost mode removal (Device Lock, No Download Mode, No Recovery Mode)
Direct FRP removal using EasyJTAG Plus or UFI Box
In this guide, we provide a tested and verified pinout image and test point reference to ensure safe and successful operations. If you face any issues or have questions during the process, feel free to leave a comment, and we will try our best to assist you.
Samsung Galaxy A03s (SM-A037F) – Device Overview
The Samsung Galaxy A03s SM-A037F is an entry-level Android smartphone from Samsung’s popular Galaxy A lineup. The device measures 164.2 × 75.9 × 9.1 mm and weighs approximately 196 grams, offering a solid and comfortable grip.
This smartphone is powered by the MediaTek MT6765 Helio P35 chipset, paired with the PowerVR GE8320 GPU. It features an octa-core processor and runs on Android 11, delivering stable performance for everyday tasks.
Also read: Samsung Galaxy A23 SM-A235F ISP Pinout Diagram
The Galaxy A03s comes with a 6.5-inch HD+ display featuring a resolution of 720 × 1600 pixels, which is suitable for browsing, video playback, and basic gaming. Samsung offers this device in 3GB or 4GB RAM variants, along with 32GB or 64GB internal storage, expandable up to 1TB via microSD card.
Camera & Battery
For photography, the device includes a 5MP front (selfie) camera. On the back, it features a triple-camera setup consisting of:
13MP main wide camera
2MP macro lens
2MP depth sensor
The rear camera supports auto-focus and LED flash, making it capable of handling basic photography needs.
Powering the Galaxy A03s is a large 5000mAh battery, which supports 15W fast charging, ensuring long usage time throughout the day.
What Is Samsung Galaxy A03s A037F ISP Pinout?
ISP (In-System Programming) is a method used to communicate directly with a device’s internal memory chip (eMMC or eMCP) without removing it from the motherboard. This technique allows technicians to bypass the CPU and directly access the storage chip.
Compared to JTAG, ISP provides faster data access, but it requires advanced soldering skills. In mobile forensics and repair, ISP is commonly used to read or repair eMMC data, recover dead phones, or remove certain types of locks.
Samsung Galaxy A03s A037F ISP eMMC Pinout
The ISP method connects directly to the eMMC memory pins, which include:
DAT0
CLK
CMD
GND
VCC
VCCQ
These connection points are used to establish communication between the motherboard and a professional repair box such as UFI Box or Easy JTAG Plus.
Hardware Procedure (ISP Method)
Remove the back cover of the phone carefully.
Disconnect the battery, fingerprint sensor, and camera flex cables.
Unscrew and remove the motherboard, placing it safely on a clean surface.
Locate the six eMMC ISP points on the motherboard.
Remove or cut the metal shielding to expose the ISP pins.
Take the adapter from the UFI Box and identify the matching pin layout.
Solder DAT0, CLK, CMD, and GND using jumper wires.
Leave VCC and VCCQ unconnected (they will be powered via USB).
Insert the adapter into the UFI Box and connect it to the computer.
Reconnect the phone battery and plug in the USB cable.
Dead Boot Repair & Professional Tools
For repairing dead boot issues, flashing errors, or severe software damage, professional tools are required. The two most reliable tools in the market are:
Also read: ISP Pinout Samsung Galaxy A33 A336E
Easy JTAG Plus
UFI Box
These tools are widely used to recover phones that fail to boot after incorrect firmware installation. They can also help with advanced repair tasks. However, note that not all locks are removable. Certain locks such as PIN, pattern, password, FRP, and MDM may or may not be supported depending on the device security level.
How to Remove Samsung Galaxy A03s A037F FRP Lock Using UFI Dongle
Launch the UFI Box software on your computer.
Select Direct eMMC (ISP) mode.
Click on Identify eMMC and wait for the device to be detected.
Navigate to the User Partition tab.
Open Special Tasks and choose Factory Reset.
Once completed, disconnect all cables.
Reassemble the phone completely.
Power on the device and complete the setup.
FRP lock removal process completed successfully.