Don't know about LG phone but on Samsung there is a button press and hold sequence to recover from black screen though it didn't fire up my S7 as the main board was fried ????
The clever Finns have made a sand battery that heats up to 500 degrees and lasts for months using summer heat from solar and wind to store for the winter looks like a very cheap way of green power when scaled up ????
Yes buy it the impound the delivery ships remove the engines and put them in submarines or buy from somewhere that doesn't have a genocidal maniac in charge very difficult situation for a general masquerading as a PM ????