Official firmware updates are available from Xiongmai Technology , though these are "update" files rather than full "dump" files. 🛠️ How to Use a Flash Dump
Use a tool like the CH341A Programmer or RT809F to connect to the chip. Download FLASH DUMP DVR 16k AHB7016T 16Mb rar
The software will compare the written data against the file to ensure no errors occurred. ⚠️ Important Considerations Download FLASH DUMP DVR 16k AHB7016T 16Mb rar