[Q] sleep mode / wake issues - Galaxy Tab General

hi guys...
i have one problem on my gtab
If I left my gtab on sleep mode for long period of time (eg. left it overnight), then my gtab won't wake up with power button...and when I hold down the power button, it reboots to galaxy tab text screen...when it finally enters homescreen I saw battery isn't empty, it's at 40%-60%
what happened to my gtab...

Related

[INFO] Waking Up Your EEE Pad Transformer Without Pressing The Power Button

This is a small tip for those who owns the Asus EEE Pad Transformer and bought it together with the keyboard dock – there is a simple way to wake up your EEE Pad Transformer from sleep mode (when the screen is turned off from a display timeout) without pressing the power button. To do this, you can just disable the option “mobiledock battery saving mode” in the settings -> display section and that’s it. Now when the screen timeout goes into effect, you can press more or less any key (try spacebar for instance) to wake the transformer up from sleep mode. Do take note that this will however drain the battery more quickly but it is useful if you’re the type of person who goes back and forth your Android Netbook Hybrid often (like myself). Alternatively, you could always get “Screen On Toggler” from the Android Market to disable the screen timeout temporarily and then reenable the timeout when you’re done working. Hope this tip helps
Note: This will not work while your transformer is charging via the keyboard. It works only when your transformer is connected to the keyboard dock AND not charging (i.e: running purely on battery)
Source: Nexus One World
Kinda silly, that's what the unlock button the dock does too, you don't need to press the power button on the pad....
darkonex said:
Kinda silly, that's what the unlock button the dock does too, you don't need to press the power button on the pad....
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you dont need to press the power button only if you have disabled the “mobiledock battery saving mode” in the settings -> display section. If you did not disable it, you wont be able to unlock with the unlock button on the dock. Also when your dock is being charged pressing the unlock button on the dock wont' do a thing, you still have to press the power button on the tablet to show the lockscreen.
It's old news that if the power saving feature is off you can unlock with any button on the keyboard. I wouldn't give up sleep mode for dock just to unlock it w/o pressing the power button though. The dock doesn't sleep the instant the screen is off, takes another minute or so, in this time you can press unlock button to unlock again. If you left the tablet for a long time, I don't see the difference between reaching for the power button and pressing a button.
frosty5689 said:
It's old news that if the power saving feature is off you can unlock with any button on the keyboard. I wouldn't give up sleep mode for dock just to unlock it w/o pressing the power button though. The dock doesn't sleep the instant the screen is off, takes another minute or so, in this time you can press unlock button to unlock again. If you left the tablet for a long time, I don't see the difference between reaching for the power button and pressing a button.
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Well actually there might be a difference, depending on how durable the power button is if you get my drift
The unlock button does unlock it for me with dock power saving on.
Unlock key works.
But it is nice to be able to use other keys.
seshmaru said:
The unlock button does unlock it for me with dock power saving on.
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It does work if you just locked it, but after about 5 minutes or so you wont be able to unlock it with the unlock key if you leave the mobile dock battery saving setting enabled.
anyone else disable their lock screen? seems totally pointless to me, the tf's not going to turn itself on in my pocket - it cant fit in my pocket
It doesn't matter whether I turn the option on or off (and it seems no matter how long I leave it in the sleep mode); multiple taps on any key will always wake the pad up!
Does the mobiledock battery saving mode work for anyone? No matter how many times I toggle the mobiledock battery saving mode, it always will wake up when the keyboard is attached, and the battery drain is waaay higher. I've resorted to not leaving the two connected when idle, which is stupid, but at least I don't lose 50% of the dock battery as it idles while I'm at work.
effwun said:
Does the mobiledock battery saving mode work for anyone? No matter how many times I toggle the mobiledock battery saving mode, it always will wake up when the keyboard is attached, and the battery drain is waaay higher. I've resorted to not leaving the two connected when idle, which is stupid, but at least I don't lose 50% of the dock battery as it idles while I'm at work.
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Click to collapse
Same issue here. The dock always wakes the tablet and my dock battery drains as if it is always on. I didn't know that if you disconnect it, the battery will drain slower. Good to know.
effwun said:
Does the mobiledock battery saving mode work for anyone? No matter how many times I toggle the mobiledock battery saving mode, it always will wake up when the keyboard is attached, and the battery drain is waaay higher. I've resorted to not leaving the two connected when idle, which is stupid, but at least I don't lose 50% of the dock battery as it idles while I'm at work.
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Click to collapse
I've had the opposite experience.
In fact, I didn't know about the battery saving mode and I was starting to get really pissed off that my unlock key wasn't working.
No keys were working to wake it up and I was forced to use the power button (I know, what a hard life right!)
I leave the two connected all day and battery life is incredibly good.
I disabled the battery saver thing because I was hoping to solve an SD card issue I had where, upon waking after sleep (had to use power button) I would get that "preparing external sd card" message everytime but occasionally my files wouldn't show up.
And, since this is where my roms are kept, I get grumpy!
I haven't used it enough to see if I still get the SD card problem yet though.
So far from what I noticed at least on my unit of transformer+dock is that the battery in the dock lasts longer if the mobile docking battery saving mode is enabled but this prevents me from unlocking the tablet using any keys on the keyboard dock which i feel is a bigger disadvantage, so i decided to disable the option
I like to squeeze my Transformer's nose shut while it's sleeping to wake it up.
I always thought I was crazy but I have the same problem. Regardless if it's checked or not, I can wake up my TF with any key.

Power button issue, when purchased.

Just got the N7 for the wife to test out, she notices when the screen is off for a while in sleep mode, and she hits the power button to wake it up it does not wake up right away, she sometimes has to do it 2 or 3 times, or it won't wake at all and then she has to hold the power button down, then when it wakes up, she has to back out to get out of powering down. Is this normal.
So since I have not a FR because I thought it might be the recent update to 4.1.1 that created this issue or a rogue app that I installed. now the power button won't do a thing, the only way to wake the unit up, is to plug in the charger, any suggestions before I take it back to the store today. TIA

[Q] grand 2 wake up from sleep problem!!!

My grand 2 takes at least 4-5seconds to wake up from sleep when presses the home button or the power Button. The phone is not rooted and is in stock 4.3 version.
Hoping to find a solution without rooting it.

Galaxy S4 shuts down in sleep mode

Everytime I put my phone in sleep mode it shuts down, I tried installing a Custom ROM but nothing.
In the stock firmware my phone reboots when in sleep mode, in Custom ROM it shuts down.
Does anyone have a solution for this?
It may be the power button sticking.
My mom had an S2 that would randomly reboot and after doing a bit of research I my best guess was that it was probably the power button.
I tried pulling the phone apart and blowing the power button areas out with a can of compressed air and that pretty much solved the problem.
A sticky power button would make sense if you go to put it into sleep mode and the button doesn't fully release, causing the phone to power cycle.
I haven't physically pulled my S4 apart so I don't know how easily you can get to the power button but it may be something worth trying.

Long time to wake up = normal?

Hi
I've just bought an ex-demo display unit off ebay (with limited warranty from a rated biz seller) and after I press the power button whilst it's in sleep/standby mode, it can take around 15-40 sec for the screen to turn on. On my old Tab-S2 (and virtually every other device) pressing the power button wakes up the device immediately.
Am I missing some weird new feature here or is it faulty? How can I test it?
If I do a screen double-tap it's the same. If I hold down the power button then it prompts straight away to turn off. So it just seems to have the delay whilst it's in sleep/display-off mode. If it's powered off then it starts after about 5sec holding down the power key.
It's no good having a faster tablet if it takes ages to wake up - any ideas?
mr-br said:
Hi
I've just bought an ex-demo display unit off ebay (with limited warranty from a rated biz seller) and after I press the power button whilst it's in sleep/standby mode, it can take around 15-40 sec for the screen to turn on. On my old Tab-S2 (and virtually every other device) pressing the power button wakes up the device immediately.
Am I missing some weird new feature here or is it faulty? How can I test it?
If I do a screen double-tap it's the same. If I hold down the power button then it prompts straight away to turn off. So it just seems to have the delay whilst it's in sleep/display-off mode. If it's powered off then it starts after about 5sec holding down the power key.
It's no good having a faster tablet if it takes ages to wake up - any ideas?
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Click to collapse
that's not normal for sure, it should wake up instantly after pressing the power button, you can try to factory reset or flash latest firmware, if problem exists you should return it then.
Thanks for the info - I'd already updated the firmware but it made no difference. I also ran the Samsung Members Hardware test https://www.samsung.com/levant/support/mobile-devices/samsung-members-how-to-perform-hardware-test/ but and the hardkeys check out fine.
However I've just discovered that if I disable "double tap to wake" (option enabled by default) then the power key and fingerprint touch now wake it immediately. The behaviour was rather random though so will give it some time.
Well that turned out to be short lived as it sometimes then went to sleep and couldn't be woken up at all, save for the power and vol down key combo. I contacted Samsung support and they advised me to return it!

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