: This repository hosts the dvr-ahb700xt8-3520d_v4.03b_dump_eeprom_not_passwor_by_h2h.rar file. Note that this version is specifically labeled "NOT PASSWORD," meaning it can be used to bypass existing lockouts.

This dump file is designed for motherboards with the following specifications: : AHB700XT8-3520D Version : V4.03B Chipset : Hisilicon Hi3520D SoC

: Typically compatible with Winbond chips like the 25Q128 series often found in these Chinese-manufactured CCTV units. How to Use the Dump File

You can find the specific EEPROM dump file at the following verified community repair sites:

: Provides a generalized list of firmware compatible with Hisilicon SoC-based recorders like the Hi3520D . Hardware Compatibility