If anyone accidentally applies this update with TWRP installed you can recovery from the endless TWRP bootloop. See this post from midmadn
The update probably didn't even install.
It should have just triggered a TWRP bootloop.
Power off or pull battery for a sec.
Hold vol down and power button - as soon as you see LG logo - release and immediately re-press power...
If you're on AT&T v4, you still cannot flash to U v4?
There is a lot of misinformation being thrown out. If you are on AT&T v4 or Tmobile v4 then yes you can flash U v4.
In fact, you can flash from a lower version to higher, or the same ver...
Just got the prompt as well for a new update (Ver G935UUEU4API3). Going to research now to see if this pushes the Bootloader to a new version.
I was under the impression the 4 just before API denotes the bootloader version. If you follow the r...