I’m trying to install a .zip update and am a bit lost as to how to do it. I accidentally booted into a Android Recovery Mode at one point where the screen was mostly text with red lettering. Is this how i should be installing these types of packages? I’ve tried doing a “adb reboot bootloader” and the screen goes black and never shows anything else, but “fastboot devicecs” responds and lists my device. Installing the .zip with “fastboot update” fails. Is there a su mode i should be in here? Some guidance here would be very helpful.