TikTok launches an investigation – into itself, we take a look at the report card on the Australian 5G networks and how a smart speaker can get you back on track and motivated to achieve your goals, we take a look at the Arlo Pro 5 2K security camera, DJI has released a drone with a triple camera, Ecovacs makes a price breakthrough with its latest robot vacuum and we’ll answer all your questions in the Tech Guide Help Desk.