This resource gives both general tips and guidance about what to consider when choosing a Smartphone (including a checklist of questions to ask a vendor or supplier), as well as advice for parents/carers to discuss with their children about Smartphone use, and has specific step-by-step guides to individual makes of devices in relation to how to enable safety features.
And it provides guidance for parents/cares to share with their children about what to do in various scenarios they may come across, to help keep their children safer.
The link below relates to advice specific to tablet devices: