All unsaved data lost after waking phone up..Settings?

[OldRoutard]

For advice about SD cards read here:

List of compatible micro SD / SDXC cards for FP3

ATTENTION!! This wiki is just a list by FP3(+)-users. It is there to share experience with MicroSD cards. It is nothing official by Fairphone. Fairphone does not sell any of these cards. This topic is closed to avoid replies, so that the topic can be bumped on the top of the recent topic when edited. Please open a new topic in case of questions or to start a discussion. Which MicroSD cards do work and which do not? Fairphone does not have the capacity to test MicroSD cards and is not in …

and here:

A little guide to... using SD cards

Android 6 introduced new options for using an SD card in your phone. When you format an SD card or insert a new SD card, you’ll have two options: Internal/phone/adopted storage or external/portable storage. The option that most closely matches older Android versions is the external option. There are a couple of things to take into account when choosing which option works best for you: TL;DR: Formatting as internal will allow you to store apps on it and have it encrypted with the system interna…