> d) Many companies limit or block apps or certain data, or data totally so employees can't utilize it.

The products companies are using to constrain their networks as well as remotely-used company equipment are becoming sophisticated enough that they can surgically slice out access, at the connection level, to things predetermined to be non-essential for your work role. These constraints are challenging to bypass to say the least, and doing so can silently trip audit flags. The security tools use AI to analyze atypical usage, so they "learn" as they go. For instance, I cannot access *this* site anymore, after doing it several times. I have to use a personal device.

That's a really long-winded way for me to say...

TL;DR An AM radio nearby on 670, or newfangled radio on 104.3-HD2, is the easy solution when you cannot use the app or web site.