Iphone 12 pro max apple logo flashing

Hi apple company please reply our questions regarding the apple logo flashing when power on and restarting. Please answer as if this is a software issue that can truly fix by an update or this is a hardware issue so that we go to where we by this and change a new one that no issue. Because if this is a hardware issue, may be sooner or later this problem will worse that turns the iphone that not turning on. I have a trust on you so i love iphones so don't disappoint as for as to more love your phones. So please explain on what's going on for as to understand. Thank you

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