Tegra X1 operating temp is -25C to 80C. Switch APU is a heavily underclocked tegra X1 (which originally runs at 2.2ghz max) due to battery saving needs (it's a hybrid handheld after all), the temps you see are 100% safe and won't cause any issue...
I hope this post helps someone in the future.
In my case, even though I had the "no sd card" screen, the console was damaged. When I completely uninstalled the chip I had a blue screen, meaning there was a problem with the CPU.
Checking...
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.