Dvr-5608l-n Firmware Update -
If your old password does not work, the firmware may have enforced a factory reset. Try logging in using the default manufacturer credentials (often found in the manual) and immediately create a new, strong password.
Because this model is often an OEM (Original Equipment Manufacturer) product, "firmware updates" are not always straightforward. Here is a detailed feature breakdown and guide regarding the firmware update process for the DVR-5608L-N. dvr-5608l-n firmware update
Из глубокого уважения к трудам ребят из segger, и по причине недоверия чайнам, лично у меня джей-линк фирменный, чего и вам советую.
У них есть дешевая версия EDU на 60 гринов.