The link above is from Blink’s website. This covers dang near everything people need for setting up, operating, and troubleshooting their Blink system. You do have to read the information however. Sadly nowadays, most people don’t read, investigate, or search for their own answers. Instead, they simply say…ok google, alexa, etc. and bam, the smart device gives then the answer.
Instead of handing people answers on an immediate silver platter, ask them instead the following. With the research you have done so far, what were your results? You’ll be surprised at the answers you get.