TL;DR: Make sure you have SIM Manager (previously eSIM Manager) app installed from Play Store and enabled.
When I tried to activate Google Fi services on my Pixel, I always encountered the error code T120. I contacted technical support from Google, but their suggestions didn’t solve my issue. Here are a few of the steps I tried but did not work:
After googling a bit, it strikes me that I’m…
Recently I upgraded a few servers from Ubuntu 16.04 LTS to the latest version of 18.04 LTS. However, I ran into a strange issue that the system will always boot into black screen immediately after the grub menu screen. I spent quite some time digging around, and finally solved this display issue caused by (spoiler alert) deprecated hardware and missing drivers.
After booting up the system, the furthest stage I could get was the grub menu, which is the screen that let me choose if I want to boot the normal Ubuntu or boot into recovery mode. …