How to verify that the modem update worked?

[d2w]

I think fastboot

Dictionary Entry: Fastboot

What is Fastboot? Fastboot is two things (to keep things simple) A way to start up your Fairphone (FP2/FP3/FP4). This allows you to connect to your Fairphone from a computer with Fastboot Software on your computer you use to connect to a Fairphone in fastboot mode. How to start the Fairphone in Fastboot mode Disconnect your Fairphone from your computer Shutdown the Fairphone Press and hold down the Volume down button while pressing the Power button The black startup screen with the logo o…

get’s you a blue LED now
oh and: it’s now possible to boot while charging!