"[Research] 1-day black-screens without using 3rd party software"

#PokemonGO: Hello travelers,​Building a research mega-thread to gather information regarding the black-screens appearing today on many people. Will recap all information I've been seeing around TSR in a structured way, i fyou have anything additional just add a comment and I'll update.​EDIT1: So far feedback of people with similar profiles have been either affected or not affected, no pattern of usage among the affectedEDIT2: Updated adding more parameters of analysis as suggested on comments. So far, not a single "pattern" identified, seems more as Niantic head-banging keyboard mistake than anything else.​Description: 1-day black-screen appearing in the past 6 hours to a random sample of people fitting certain criteriaDevice: iPhone / Android <-- Both randomly affectedConnection to other devices: No other device / Switch / Plus / Gotcha <-- All randomly affected3rd party software: No other software / CalcyIV / PokeGenie <-- All randomly affectedPrevious black-screen: No previous black-screen (also appearing to people having a black screen before)Adventure Sync: No sync, regular Sync, Sync with Apple Watch, Sync with Fit Bit... <-- All randomly affectedRecurrent: Appears after reloging, just once (not reappearing after first time)Name change: Never / Once / Multiple times <-- All randomly affectedLogin method: PTC, Google, Facebook <-- All randomly affected​ via /r/TheSilphRoad https://www.reddit.com/r/TheSilphRoad/comments/9yfg05/research_1day_blackscreens_without_using_3rd/?utm_source=ifttt