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Omit soldering the VCC and VCCQ wires. Instead, solder only CLK, CMD, DAT0, and GND , then plug a standard USB cable from your computer into the phone's charging port to supply power.
| Signal | PCB Marking / Location | Point Reference | | :--- | :--- | :--- | | | Small test point or resistor (RP) near CPU/eMMC. | TP503 or side of R602 | | CMD | Test point or resistor pad. | TP502 or side of R601 | | DAT0 | Dedicated test point. | TP501 or side of R600 | | GND | Any large copper area, shield, or negative battery terminal. | Shield frame or TP504 |
sat hunched over his workbench, the blue light of a microscope reflecting in his tired eyes. Before him lay an Go to product viewer dialog for this item.
October 2025 Tested firmware: V20b (Android 10) and V30a (Android 11) Contributors: HwRepair Team, JTAG Community Forum
: High-tier engineering hardware optimized for deep hardware-level bus testing. Critical Programming Parameters lg k41s isp pinout
The primary line used to transfer actual data packets back and forth.
The LG K41S, released in 2020, is a mid-range device running on a chipset with 32GB eMMC 5.1 storage and 3GB RAM . Like many devices of its generation, it is susceptible to firmware corruption, FRP locks, and boot failures.
: Recovery of devices that are completely unresponsive or stuck in a boot loop. User Data Recovery : Direct extraction of the partition from the eMMC.
The (specifically variants like the LM-K410HM ) is a mid-range smartphone running on a MediaTek MT6762 Helio P22 chipset. When the device suffers from a hard brick, broken USB port, severely locked FRP/MDM bypass issues , or fails to communicate via traditional MediaTek bootroom (BROM) modes, hardware intervention is required. Omit soldering the VCC and VCCQ wires
For those looking to replicate this "story" in real life, the (LM-K410) often requires these direct hardware connections to the eMMC when software-based FRP or pattern resets fail. Key ISP Pinout Points (General Guide):
are located near the eMMC chip, often hidden under small shield covers. ISP Signal Description Common Location/Test Point
You have two choices for powering the motherboard during the programming process:
The (specifically variants like the LM-K410HM ) is a budget-friendly smartphone powered by the MediaTek MT6765 Helio P35 chipset. While it usually responds well to USB flashing or Test Point (BROM mode) triggers using tools like UnlockTool or Chimera , a security update (such as Android 11 with late security patches) can block standard USB Brom mode. | TP503 or side of R602 | | CMD | Test point or resistor pad
Once the software recognizes the eMMC storage, select the appropriate operation based on the phone's issue: 1. Removing FRP (Google Account Lock)
Disconnect and safely remove the rear housing, battery connection terminal, and both front-facing and rear cameras to prevent thermal or physical damage to delicate lens filters. 2. EMI Shield Modification
Ensure that the exposed metal tips of your jumper wires do not brush against nearby capacitors, resistors, or the grounded outer metal shields. Share public link