During the process of vulnerability exploitation for smart devices, firmware extraction is the first step in analysis and the first step towards success. In previous analyses, the firmware was stored in TSOP8 package NOR flash, which could be extracted directly using a chip clip or by soldering the flash chip for extraction, followed by using … Read more
Word Count: 1200 Practical Index: ⭐⭐⭐⭐⭐ Introduction: Due to the special nature of the embedded development environment (cross-compilation), we will use some other peripheral tools. Here is a brief description, along with a reintroduction of the various tools used in the entire development environment and a simple application development process. 01 SecureCRT SecureCRT is a … Read more
The Konka LCD TV uses the RTD2995D main chip for its 4K network LCD TVs. This type of motherboard often has faulty EMMC chips. After replacing the EMMC, you need to use a programmer to write the boot program and then upgrade it using a USB drive. Some TVs that fail to upgrade via USB … Read more
RT809H Programmer Tutorial: LeEco X3(928) EMMC Flashing Guide and USB Upgrade Program. Boot Burning Mboot Burning LeEco X3(928) board number MS6A928_MBD_C_H5100 wire connection method: First, solder the CLK, CMD, D0, GND on the motherboard according to the point diagram, disconnect the resistor at the wire connection and short the main chip oscillator. After powering on … Read more
0x00 Introduction Recently, I have been learning about debugging hardware interfaces such as optical modems, routers, and cameras, but I did not make any records. Therefore, I will briefly document the learning process here for future reference. 0x01 Required Tools 1. TTL to USB converter 2. Multimeter 3. TTL to USB converter 4. SecureCRT connection … Read more