Good to know. Thank you

Thanks for the info. Sorry to show my ignorance but when should we want to use safe mode?

I installed a 128g micro sd card (sandisk extreme A2) and after rebooting a few times the phone asked me to format the card, which i did. Phone rebooted a few times more, settled down but no sign of the extra storage on the phone till a few hours later. This morning/today it's disappeared again. Any...