[G4 Android Development] berndbb:
So I maybe the last one using a H818p, but challenging the need of having to by a new device I tried to update.

I finally succeeded this way:

1.

Install LGup from here: LGUP - NEW!!! - INSTALL KDZ - MM or LP - FACTORY RESET/UPGRADE249803/

The last link given there worked for me.

It says there: "Install LGUP_8994_DLL_Ver_0_0_3_23 first and then LGUP_Install_Ver_1_14_3"

I did it the other way round, but installing the DLL_Ver_0_0_0_23 msi file was crucial for me. Without it, LGup gave me an unknown device error and nothing was possible.

2. LGup will tell you to install the LG USB Driver. I found different versions in several places, e.g. LG Mobile Drivers and Software

3.

For my H818p, I used this tot-file.

4.

Then hold your breath:

a) you fire up LGup

b) you choose below if you want to just upgrade or a clean install. I just upgraded from MM Android 6.0.

c) you select your tot file by clicking the three dots right beside the marked "BIN-File"-entry

d) the update starts

After the upload to your device, it reboots automatically.

I feared to be caught in a boot loop, I waited felt 5 minutes watching the boot logo and just decided to remove the battery when suddenly out of nothing a white screen with a green android logo appeared.

It counts from nearly 20 percent to 100 again and doing further upgrade stuff.

So have your battery loaded properly and be patient!

What do you get:

Don't expect too much. I am glad that everything seems to work as before.

Although LGup identifies the device as a 815, I still can setup two sim-card-slots. Using the second, the phone complained about not being able to reach my mobile provider (vodafone.de). At least a notification said so, even after further reboots.

Pressing the notifcation leads you to the settings, where you can select your provider. Pressing the option for automatic selection made the notification go away.

Strangely enough, I had mobile internet connection even before doing this.

The problem doesn't occur using sim-card slot 1 and vanished today putting the sim card back in slot 2 a second time.

The camera works as I know it to do before the update. I did a shot in the dark night with a simple, weak light turned on. The Autofocus was quick and the result is very pleasing given the hard conditions.

I will check Bluetooth today but all my setting including Bluetooth and icons changed are preserved, so I expect nothing bad here too.

I had to choose between easy home and LG 4.0 homescreen and did the latter. All background pictures and folders were as I left them.

What I didn't get:

Trying to use the search function in the settings app leads to a crash of the app.

Still no VoLTE or Wifi-Calling. No advantages in terms of battery consumption I can tell of.

To sum things up:

One application I was stuck to version 4.475.0 (TomTom AmiGO - GPS Navigation) now runs with the newest version and there is a new animation when you leave the lock screen and some new symbols. If you press the little square for browsing through the recently closed apps, there is more room for the last chosen and less for the rest, so you better see what you are selecting.

That's all I discovered.

If I don't run into troubles, I will leave it as it is because I don't want to push my luck further.

You want to play around and risk the life of your device? Go for it. Otherwise, if you don't need Android 7.0 explicitly, I recommend staying at MM Android 6.0.