Airplane and Doze without wakeup when screen off - General Questions and Answers

I'm using my tablet as a car navigation device. I may leave my car parked for up to a week sometimes.
Ideally, I'd like to turn the device off when I stop my car (cable unplugged or screen off) and then turn the device on when I start my car (cable plug in, screen on). Since it takes a while to boot up (and I don't know how to autoboot when the cable is plugged in on a LG g pad 8.0), I don't want to actually turn off the tablet.
Therefore, I have installed "Automate" to enable airplane mode when screen is off and turn off airplane mode when screen is on. I also have Greenify and enabled Aggressive Doze. However, even doing this, I notice that while the screen is off, the phone will still come out of doze periodically. Also eventhough airplane mode is on, Gsam Battery stats show the phone radio is on the entire time (but not data).
Is there a way to force it to doze and not wake up until I tell it to?
Also, for some reason, as it keeps going into airplane mode and back out, I will get a message saying the sim card has been removed and it will force me to reboot. If I don't go into airplane mode at all, I dont get the message. It's only from switching it on and off.

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Airplane Mode and Restarts

Just started using Polaris this week, but finding a problem with Airplane Mode...
When I go to bed at night Airplane mode goes on. Some nights Backup kicks in and restarts the phone afterwards. On Artemis, no problem, phone comes back up in Airplane mode. On Polaris, the phone always comes on with Phone on, so the next text message/email wakes me up!
Any idea how to make it stop turning the phone on when the unit restarts? I need my sleep!
Not a solution but why not put it on Silent? That's what I do and so far I've been sleeping like a baby.
Or you could try switching Phone off in the com manager instead of switching Airplane mode on.
Thanks, can't put it on silent as then my alarm won't wake me up...
Will try the Phone setting, see if that works...
Yes, that works, but it's a PITA beacuse I can use Long End Key Press to toggle Airplane mode, but need to use Comm Manager to turn Phone on and Off.
Found it:
HKLM\Software\HTC\CommManager\UseMSFlightMode
Defaults to 1, in which case Phone always comes back on after reset, set to 0, state before reset is respected.
Y don't you put a pin code on your sim card?
first you'll have a good protection if you lose your phone (no surprise call oversees...)
and if the polaris restarts the it wound connect to the gsm/umts without you entering the pin...
Hope it helps..
Thanks, but I'm too lazy to put a PIN in every time I restart...
In any case, the regedit above fixed the problem perfectly.

WiFi not turning off

Something new - under Wifi Settings/Advanced - I have Wi-Fi set to sleep when display is off..
This doesn't seem to be the case. My WiFi is Always on.
I would imagine that the icon would disappear like it does when WiFi is turned off.. but when the phone is asleep and then wakes up, the WiFi connection is still there.
Anything I can try to fix this? I have tried changing the WiFi sleep policy to the other 2, then changing it back to display power - didn't work.
I did have to reboot the phone last night because I couldn't get WiFi to turn off, but I don't have a problem today with turning it on or off.. just won't go to "sleep"
It may be turning off and you just don't notice it. Cause I know that as soon as I turn on the display again its maybe half a second and then the wifi is back on. So you may be missing the switch.
I also notice that I have to leave the display off for a good two or three mins for it to turn off.
Sent from my SAMSUNG-SGH-I897 using XDA App
Is there a way to find out how long you are connected to an Access Point?
I am noticing a big difference in battery drain when WiFi is turned completely off, then when it is in the "Sleep" mode.

Any apps to auto boot/shut down? Need help..

Whats up XDA.
So I have a galaxy tab sch-i800 running on cyanogenmod 9. I plan to fit my tablet into the dashboard of my car. I have everything worked out except how I'm going to turn it on and off. since I won't be able to access the power button I need a way for it to power on/off by its self, that way its not occasionally dead when I start my car.
At first I planed to use tasker to turn the tablet on when plugged in (or when I start my car, it turns on). and then turn off after an hour of inactivity (or an hour after I've turned off my car).
But now that I'm looking at tasker it won't let me use the command "turn on" (even though I'm rooted) and I don't see a turn off command.
Is there any apps out there that can help do exactly what I want?
I have noticed that 4.2 and higher automatically boots the device when it is plugged in, I'm on 4.0, would upgrading screw up cyanogenmod?
Thanks!

[Q] Wireless Charging - How do I keep my screen turned off?

Stock S6 (T-Mobile, 64GB, White). I have two different QI chargers (one is the TYLT Vu Wireless Charger (Qi) and the other is a CHOE stadium). The phone charges fine with both chargers, but the screen keeps turning on while charging and I can't seem to find a setting to disable this.
As soon as I put it on the charger, the screen turns on, so I hit the power button. Usually it turns back on within 5 seconds, so I hit the power button again. It will then stay off for a while, but if I wake up in the middle of the night the screen is back on again. Any ideas what is causing this?
I have noticed that the screen tends to turn on when I get a notification or when the "searching for GPS" pops up on the lock screen, but in both cases the display will dim but it will not turn all the way off.
Edit - forgot to mention that I get the same results regardless of whether or not the phone is in a case.
I got the same thing with portable battery packs... very annoying.
Also mine keeps getting off and on all the time.
Strange - my screen turns off fine if it's plugged charging via USB. It's only wireless charging that has issues on mine.
The screen always wakes up when it starts or stops charging. Do you have the developer option turned on to leave the scree on when charging? If so, when it wakes up at the end of charging, it will never turn back off. If you don't have this option enabled, then I don't have a good reason.
Thank you thank you! I just enabled developer options (after accidentally finding Flappy Android) and the "keep screen on while charging" option was turned on by default. Doing a test charge now, but it appears as if the screen is staying off.
Awesome!

Always on display, not always on

I like the always on display, but when i have the phone connected with the charger, i noticed that during the night i don't see the time anymore after a few hours.
I can't find a setting to get the display always on.
Does somebody know a solution?
Solved:
Displays dies after a couple of hours when "not disturb" mode is on
when this mode is off and speakers are silenced, always on display stays on.
Also if can detect via the proximity sensor if the phone is face down or in a pocket or purse. It will turn off

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