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General| Category | Cell Phone |
|---|---|
| Display Size | 5.3 inches |
| Display Resolution | 720 x 1280 pixels |
| RAM | 1.5 GB |
| Internal Storage | 16 GB |
| Expandable Storage | microSD, up to 32 GB |
| Rear Camera | 13 MP |
| Front Camera | 5 MP |
| Battery | 2300 mAh |
| Operating System | Android 6.0 (Marshmallow) |
| SIM | Dual SIM |
| Model | LG-K430DSF |
Provides repair, calibration, and feature description information for the mobile phone model.
Covers security precautions and essential safety guidelines for handling electronic components during repair.
Troubleshooting steps for the XO block, focusing on the VTCXO output frequency for the MT6169 reference.
Procedure to verify MT6169 operating voltages (1.8V and 2.8V) within the DC power supply circuit.
Steps to check DC-DC (MT6328, U4100) output voltages against the SKY77643-31 reference.
Troubleshooting guidelines for GSM RF components, including ASM, PAM, and Transceiver issues.
Troubleshooting procedures for WCDMA RF components, covering ASM, PAM, and Transceiver.
Troubleshooting steps for LTE RF components such as ASM, PAM, and Transceiver.
Procedure to check power signals from the battery connector, power key, and PMIC regulator.
Diagnoses issues related to the audio receiver, speaker, main MIC, sub MIC, and ear MIC.
Troubleshooting steps for LCD display problems, including connector and power checks.
Diagnoses touch screen functionality via power and signal line checks for proper operation.
Troubleshooting for main and VT cameras by examining connectors, power supply, and signal paths.
Troubleshooting steps for USB port connectivity and signal integrity.
Instructions on how to access the hidden service menu using specific shortcut key sequences.
Guide to navigating and performing various device test modes available in the hidden menu.
Overview of available tests within the device menu, including Auto Test and Manual Test options.
Overview of the download tool, DLL files, and USB driver versions necessary for software flashing.
Configuration steps for correctly setting up the USB COM port for device communication during download.
Instructions on establishing the physical connection using a USB D/L cable for software transfer.
Guidelines for configuring the flash tool software to ensure successful firmware download.
Summary of calibration prerequisites including hardware, software versions, and important notices.
Configuration steps for setting up the USB COM port, essential for device calibration.
Diagram illustrating the required cable connections for performing device calibration procedures.
Instructions and interface overview for using the specialized software tool for calibration.
Detailed steps for safely removing the phone's outer battery cover, indicating prying points.
Procedure for disconnecting and removing the internal battery, highlighting specific latch points.
Instructions for removing the rear cover, including screw removal and hook disengagement.
Steps to disconnect all necessary connectors and carefully remove the main PCB from the chassis.
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