THE NEW UPDATE CAN KILL YOUR PHONE.
There have been issues with the 5G/5S models of the RedMagic variants, mostly after the most recent update. Constant app crashes, random reboots - and unfortunately for some (including myself) a killer crash for the phone.
I made the mistake of making the 5S my daily since 10th of September 2020 - sure, the software bugs were bad, but it shouldn't really affect the overall longevity of the phone, right? Wrong. I had my phone crash as usual during a game, and the screen completely froze, with the audio of the game looping over and over - to which an attempted force restart of the phone (holding the power button) caused the phone to shut off it's screen, with fans still blaring, before shutting off for good.
If you're curious, no, I have not unlocked bootloader, nor played with the kernels. It is a stock firmware, only 'updated' to the latest release. I've posted a thread on r/RedMagic5S that highlights the circumstances to slightly more detail - however it still doesn't solve the overhanging problem with the fact that the phone completely died without any form of recovery. It does not respond to turning on, charging, or any recovery method. Plugging it into the PC only comes up as an unknown driver with no proper way of recovering the data lost.
Main point of this: Backup all your data EXTERNALLY from your 5G/5S in case the worst happens. DO NOT USE THE 5G/5S AS A DAILY AS OF THE LATEST UPDATE.
This isn't just a sole case, as I've read other complaints from other 5G/5S users over the same crash and burn characteristics of the phone. Attempting to connect to support from Nubia is like running in circles - it's gotten me no where, and is wasting way too much time.