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Auto/background sync stops after battery dies

I've noticed that once phone is powered off/on after shutting down with battery dead that neither automatic sync nor background sync happens despite being ticked. I have to cycle the setting to kick it into life. Anyone else seen that?

WibblyW said:
I've noticed that once phone is powered off/on after shutting down with battery dead that neither automatic sync nor background sync happens despite being ticked. I have to cycle the setting to kick it into life. Anyone else seen that?
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Are you sure that this simply isn't they power save feature kicking in?
This can be configured using various settings from within
Settings > Power > Power save
Sent from my HTC Desire S using XDA App

Power save works fine when the battery gets below 15% (in my case). The problem is it doesn't seem to come out of power save mode properly on its own when the phone has power in it again. I find the background and auto sync settings have been reticked, but they don't seem to be effective until I un-tick/re-tick them manually.

WibblyW said:
Power save works fine when the battery gets below 15% (in my case). The problem is it doesn't seem to come out of power save mode properly on its own when the phone has power in it again. I find the background and auto sync settings have been reticked, but they don't seem to be effective until I un-tick/re-tick them manually.
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Oh, must admit that I have not noticed this, although I do use tasker application to enable and then disable my various radios and sync settings based on time in order to save battery
Sent from my HTC Desire S using XDA App

This is happening on my Desire S too.
Have you found a solution as of yet?

frosticus said:
This is happening on my Desire S too.
Have you found a solution as of yet?
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Nope. There's a LOT about the Desire S that kinda half works properly. I find its implementation really kind of sloppy. Definitely NOT a phone I go round recommending to anyone.
To ben_pyett's comment I considered Tasker. Apart from the fact that there are lots of comments that some of it's functionality is broken in 2.3 because Google messed with their APIs, when I thought about it I was pricipally going to get it to try and fix/work around all the stuff that doesn't work well in the Desire S, rather than add functionaliy. E.g.
- Auto display brightness always has the brightness too high (esp in dim ambient light) and there's no way to adjust its 'gain'
- Cycling Buetooth and WiFi and GPS availability (using various strategies based on location and time) only to mitigate poor battery life in the standard product
- Getting it to out of power save mode properly
- Stopping it making the SMS received notification noise when it was just receiving a txt delivery receipt
Sadly there's other stuff Tasker can't 'fix'.
I find myself rebooting the phone manually every two or three days when it begins to exhibit weird behaviour. It might be crashing and rebooting between those times too. I used to have a SIM PIN activated, but it would prompt for that before allowing me to even get calls after a crash, so I missed important calls before I noticed it was in that state. Now with the SIM PIN disabled it might still be crashing but I don't spot it at least.
I was a Blackberry user for years, and should never have changed. At least the BB was stable and all its features seemed to work properly (and had excellent battery life even with WiFi and Bluetooth on 24/7). I though the extra Google integration with Android was attractive and would be worth it. How wrong I was. :-(

Need HELP: 2.3.6 bug?

Updated SR with the OTA 2.3.6 update... everything "appeared" to go perfectly. However, I just noticed my "Brightness" control in Display Settings is now greyed-out... can't change the display brightness. To further add to the mystery, when I plug into the AC power, the Brightness control is functional; however, as soon as I disconnect from AC power, the Brightness control goes back to being greyed out and cannot be adjusted.
Anyone else run into this after the 2.3.6 update? I was rooted with stock recovery when I did the update... after update, remained rooted and everything worked perfectly.. EXCEPT when I noticed the Brightness control was greyed-out. Any suggestions on how I can regain display brightness control when running on battery power? Thx

Do you have it set to "auto"?
Sent from my SAMSUNG-SGH-I727 using xda premium

Gr8Danes said:
Do you have it set to "auto"?
Sent from my SAMSUNG-SGH-I727 using xda premium
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Yes, I had Automatic Brightness checked... but couldn't uncheck it once the control got disabled. After a full re-charge, the Brightness option is no longer greyed-out under battery power Does anyone know if this functionality gets disabled when battery gets below 15%? What's odd however is that when it got disabled, the screen went to full brightness...then couldn't be managed, so counterintuitive on what it should be doing under low battery conditions! One would think it would dim to 10% brightness first, then disable the Brightness functionality (if in fact the stock ROM/kernel does disable brightness function at low battery conditions).

You might have the power management settings turned on....you can set it to automatically do things after the battery drops below a certain point (such as 20, 15, 10%). Sounds like what might have happened. I haven't noticed any changes due to the update.

Power mgmt was and still is off. It just happened again. Seems like when battery drops below 10%, the Brightness option gets greyed - out and cannot be used. I don't have any other power mgmt apps loaded, so it must be new to 2.3.6. Can anyone else (on OTA 2.3.6) confirm when battery level drops below 10%, your Brightness contol gets greyed-out?
Sent from my SAMSUNG-SGH-I727 using XDA App

I had that with the 2.3.6 update. Below 10% I couldn't adjust brightness with the stock setting, or with any 3rd party app. it started out full dim, then at around 5% went full bright. The battery saver feature was disabled. I've returned the phone, and I'm not updating my new Skyrocket.

I used the cwmable package from Mikey and silver03wrx and this is not an issue. Its the same 2.3.6 update just rooted and of course in .zip form.
Sent from my SAMSUNG-SGH-I727 using Tapatalk

[Q] Power Saving Mode question

Have a Rogers SGS2 LTE. I have power saving mode enabled in the settings. It comes on at 30%, and shuts of wifi and bluetooth if not connected, dims the screen and reduces the screen time-out to 15 seconds.
My question is this. Last night it went on at about 9 pm which was fine, and power lasted til I went to bed. In the morning after charging, the time-out is still at 15% and the bluetooth is still off. Does the power-saving mode not change the settings back to the original once the power is over the threshold, in my case 30%?
Secondly, if I'm using a product like Juice Defender, should I be disabling the built-in power-saving mode and letting JD do it's work.
Thanks
Harry

i just got a Skyrocket and also noticed the green mode doesnt undo itself upon charging, on 2.3.6. Annoying! i changed my setting to 10%

Ideally you should only have one app managing low power conditions. Avoids any chance of conflict. If you're going to stick with juice defender, use it by itself.
Keep in mind sometimes settings get messed up. Once or twice over a long span isn't too bad. Something messing up more than that likely has an app forcing undesirable settings.
Sent from my páhhōniē

how to get full brightness on low battery?

when my battery is low the tablet dims. how do I remove this setting?

I would like to know this too. I realize it's a safeguard because a complete battery drain sucks for this type of battery, right? But a forced always dark kind of sucks compared to a warning forced dark that you could change back.. feels... Appley.

Hi you two, all you have to do is go into settings and then you should see 'Power Saving mode' Under storage and above battery. Simply turn on power saving mode momentarily and then you can untick the screen power saving mode and then turn off power saving mode if you wish to.
This is on the settings for JB, I dont know if this will be the same as the ICS settings, if not just have a look around in settings. It should be in there somewhere.
Sent from my quadcore beast- HTC ONE X

no effect changing that settings
I already have done this: "all you have to do is go into settings and then you should see 'Power Saving mode' Under storage and above battery. Simply turn on power saving mode momentarily and then you can untick the screen power saving mode and then turn off power saving mode if you wish to."
However, my screen stays gray and i can't see nothing more bright... my device is a samsung galaxy note 10.1 gt-n8010 with android 4.1.1 and kernel version 3.0.31-541027
Any help appreciated because this is very annoying.
Thanks,
Miguel Real.

In the same boat here, anyone have a solution?
Sent from my GT-N8013 using Tapatalk 2

I was wondering the same thing

Did anyone ever find a solution to this? The screen dimming is a pain in the ass. I'd rather burn the last few minutes of power at full brightness.

This is my only problem with this tablet. I would really appreciate if anyone came up with a solution to this

hanexs said:
when my battery is low the tablet dims. how do I remove this setting?
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I guess there is no fix without rooting? Bummer. Some things about this tablet are just so blatantly annoying I can't figure what the designers were thinking.
Hopefully the kitkat update will provide options.

It is protecting the battery. You dont need to drain your battery empty on every cycle - and it is only making bad to the lithium battery to cycle is empty-full all the time. The problem with lithium battries have, is that if the battery drains too empty, it wont start to charge. It is dead. There are safety mechanics to prevent this to happen, auto power off/shutdown features though... But when the battery is 5%, it turns the display dim to get you more time to plug it in. So, if you want to keep your battery good, dont cycle is every time from full to empty state. And dont let it to auto shut off, it may go too empty and the battery wont start to charge anymore.
It is a built in feature and Kitkat wont change this.
Sent from my Galaxy Note 10.1 (N8000).

I used this app to work around the issue successfully:
https://play.google.com/store/apps/details?id=mobi.pruss.superdim

[Q] Battery Saver option

Well, I thought that I know how it works, but after reaching 20% I have got that fancy message under the main widget that I need to enable Battery Saver option, when I have enabled it right the way during phone setup.
My questions are:
- what exactly is done after switching Battery Saver to "ON"? I don't see any additional options for ON statement
- when is OFF and battery will reach 20% does it will trigger manual battery saving options?
Thanks

After you turn it in, just touch right next to the switch that says "battery saver". That will open up the options that you can select.
If you have the battery saving option turned off...well the it won't do anything for your battery
Sent from my SM-T310 using Tapatalk

jasvncnt1 said:
If you have the battery saving option turned off...well the it won't do anything for your battery
Sent from my SM-T310 using Tapatalk
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When I have turned off I'm able to choose what can be turned off when battery will reach 20%. When is ON I'm not able. For me it looks like:
- Battery Saver ON - it makes automatic decisions by the system what must be reduced when reached 20%
- Battery Saver OFF - it will use your set rules what must be turned off when reached 20%
or I have a bug in my system which allows to choose options when Battery Saver is set to OFF statement

Scyzor said:
When I have turned off I'm able to choose what can be turned off when battery will reach 20%. When is ON I'm not able. For me it looks like:
- Battery Saver ON - it makes automatic decisions by the system what must be reduced when reached 20%
- Battery Saver OFF - it will use your set rules what must be turned off when reached 20%
or I have a bug in my system which allows to choose options when Battery Saver is set to OFF statement
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I see what your saying. Just looked at mine. Yeah it does let you select and make changes when its set to OFF but don't think anything would kick in unless you have it set to on. You can also change the percentage that the battery saver will kick on at if you didn't want it on at 20%.
Can test it out if you wanted. Just see what percentage your battery is on and change the saver to kick on at a percent your almost at. Then see if it goes on. If it does then turn saver off and see if the notification goes away. Not sure if I wrote that in a way that's understandable lol.
Sent from my SM-T310 using Tapatalk

jasvncnt1 said:
I see what your saying. Just looked at mine. Yeah it does let you select and make changes when its set to OFF but don't think anything would kick in unless you have it set to on. You can also change the percentage that the battery saver will kick on at if you didn't want it on at 20%.
Can test it out if you wanted. Just see what percentage your battery is on and change the saver to kick on at a percent your almost at. Then see if it goes on. If it does then turn saver off and see if the notification goes away. Not sure if I wrote that in a way that's understandable lol.
Sent from my SM-T310 using Tapatalk
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I'm going to test it over the weekend.
Thanks for tips, anyway :good:

Scyzor said:
I'm going to test it over the weekend.
Thanks for tips, anyway :good:
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No problem. Let me know what you find out.
Sent from my SM-T310 using Tapatalk

So I have done few tests and it comes that if the function is ON then it executes set rules. No clue why rules can be set when the function is OFF.
Also I have no clue what I have triggered there but now I have 57% batter with usage of 42 hours and estimated remaining 113h