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Old May 19th, 2011, 01:38 PM  
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Default S2's slow Screen wakeup?

Gotta say, the phone is incredibly fast in general - though by constrast there is 1 thing I couldn't stand.

There is a lag of 2-2.5 seconds between you pressing the power button, and the screen light comes back up.

Is there a fix?

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Old May 19th, 2011, 05:13 PM  
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It's because when the phone is idle the CPU downclocks by a lot to save power, so its running a lot slower, so waking the device takes an extra second or so to get up to speed. There's nothing you can do about this unless you root the device and use that set CPU to stop downclocking the CPU, but then you'll waste lots of battery.

If the phone is plugged in, or if the music app is running it wont have that delay when you unlock the screen as the CPU isn't being downclocked by as much.
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Old May 19th, 2011, 05:22 PM  
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What's important to remember is an Android phone is truly a handheld computer. And just like a computer it has to go through a boot process, which is lengthened when it's sleeping in the idle or standby mode.

Therefore there is nothing wrong, but rather it's just something to get used to.

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Old May 19th, 2011, 05:33 PM  
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That sounds rubbish tbh, I have had previous Android phones and all were instant on the wake up.
This is specific to the GS2.
There was supposed to be a fix in the last update which seemed to work at first but after a few days mine has gone back to a sluggish wake up. Quite irritating!
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Old May 20th, 2011, 02:44 PM  
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Quote:
Originally Posted by Spewy View Post
That sounds rubbish tbh, I have had previous Android phones and all were instant on the wake up.
This is specific to the GS2.
There was supposed to be a fix in the last update which seemed to work at first but after a few days mine has gone back to a sluggish wake up. Quite irritating!
Then perhaps you have a rubbish phone that needs to be exchanged / replaced.

I don't have a problem with my Galaxy S for example, or my GS2 either. The Samsung's I have all take a few milliseconds to wake up. The HTC phones I have wake up a bit faster. It's just the difference.

As far as your comment about "there was supposed to be a fix", I'd like to see a link about that.

I know many people who's phones are fine, as well as all that I've read on various Android forums and I have not heard of this.

That doesn't mean I didn't miss it, so a link would be helpful.

My Galaxy S is a year old and wake up time is quick, and has not varied. My Galaxy S 2, is snappier, which is to be expected.

Cheers
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Old May 20th, 2011, 06:23 PM  
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I read it on another forum. Sorry if the info is inaccurate but clearly I am not the only one with this problem. It may be a problem with the first batch of phones, I am sure samy will issue an update soon to correct this issue.
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Old May 20th, 2011, 07:27 PM  
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It takes about 1.5 seconds for me. That doesn't sound like much, but if I quickly want to check the time, it is a bit inconvenient.

Is it possible to change this on a rooted SGS2? If the battery suck isn't too much it would be worth it.
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Old May 21st, 2011, 05:07 PM  
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If I had a GSII and it took a little while to turn on, due to underclocking while it's idle, I'd love it! Yes it'd get a bit annoying, but it would mean increased battery life!
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Old May 21st, 2011, 06:31 PM  
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Quote:
Originally Posted by daivik View Post
If I had a GSII and it took a little while to turn on, due to underclocking while it's idle, I'd love it! Yes it'd get a bit annoying, but it would mean increased battery life!
with daivik on this one. battery is more important than a little delay. rooting it nd setting cpu to speed up wake will kill ur battery as someone said already... IMO its not worth the battery drain... my opinion though :P :P
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Old May 21st, 2011, 06:58 PM  
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How do you set the CPU to speed up wake? I'm happy to try it to check how much power it uses.
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Old May 21st, 2011, 07:09 PM  
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Quote:
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How do you set the CPU to speed up wake? I'm happy to try it to check how much power it uses.
to use "set cpu app" you have to root your phone.
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Old May 21st, 2011, 07:42 PM  
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It is rooted, do you mean SetCPU? What settings in it should I use? I looked at a free equivalent but I didn't know what to change.
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Old May 23rd, 2011, 04:39 AM  
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mine takes 1-2 seconds to wake up too.

This is not my first Android phone. My HTC didn't do this. Its amazing to me that SAMSUNG let all these little bugs into their phone.

It seems they got all the big things right - CPU, AMOLED Screen, etc - but, the small things like this and Notifications (yes, I'm still on about that ) weren't given any real attention.

regards
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Old May 23rd, 2011, 05:29 AM  
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Quote:
Originally Posted by leightos View Post
mine takes 1-2 seconds to wake up too.

This is not my first Android phone. My HTC didn't do this. Its amazing to me that SAMSUNG let all these little bugs into their phone.

It seems they got all the big things right - CPU, AMOLED Screen, etc - but, the small things like this and Notifications (yes, I'm still on about that ) weren't given any real attention.

regards
At least bugs can be eradicated via software and updates. Hardware can't be changed.
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Old May 30th, 2011, 06:15 AM  
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Change the lockscreen picture to a low res picture and that should resolve the problem.
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Old May 31st, 2011, 04:59 PM  
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Quote:
Originally Posted by Spewy View Post
Change the lockscreen picture to a low res picture and that should resolve the problem.
This is precisely why mine doesn't have a wake up delay, I've always gone for a very simple (not live) background.

For me it's all about speed.

After I changed if from the default, now it only takes just 10 seconds to awake.

Heck I can't even wake up that fast




Just kidding, my SGS2 wakes up in a flash... true
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Old May 31st, 2011, 05:12 PM  
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I think it'll be fixed in future updates.

Contrary to what I've said before, my Desire clocks down to 245Mhz when the screen is off and it's not doing anything, and it still wakes up instantly.

So yeah, dual core,1.2Ghz and 1GB RAM. Defo something an update will fix.
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Old May 31st, 2011, 07:03 PM  
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10 seconds? We're talking about turning the screen on (at least I'm talking about that), not booting up. I'm annoyed that it takes 2 seconds.
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Old June 2nd, 2011, 03:50 PM  
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Quote:
Originally Posted by Quboid View Post
10 seconds? We're talking about turning the screen on (at least I'm talking about that), not booting up. I'm annoyed that it takes 2 seconds.
It doesn't take 10 seconds, you missed the last line, I was just kidding.

One of those days where my humor is out of control...

Perhaps I've been lucky, but mine wakes up so fast it actually surprised me.

I didn't think much about wake up time till I got my SGS 2, that's the fast one, the rest are about the same and lag is not an issue. Only the G1 which was my first years ago.

Hey, it's Android.. they're all good, just some are better than others
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Old June 3rd, 2011, 03:26 AM  
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Just how much does Samsung underclock the processor when the phone is idle?

I've got my HTC Desire set up to run at 245MHz with the screen off and that wakes up instantly usually, but sometimes has about half a second delay. And that only has one processing core A 128MHz underclock does cause a 2+ second lag.

I don't buy that there's a delay because the processor is underclocked unless it's underclocked ridiculously.
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Old June 3rd, 2011, 03:29 AM  
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Quote:
Originally Posted by matttye View Post
Just how much does Samsung underclock the processor when the phone is idle?

I've got my HTC Desire set up to run at 245MHz with the screen off and that wakes up instantly usually, but sometimes has about half a second delay. And that only has one processing core A 128MHz underclock does cause a 2+ second lag.

I don't buy that there's a delay because the processor is underclocked unless it's underclocked ridiculously.
It underclocks to the similar value around the 200Mhz level. and it can be fixed by using a lower resolution background. Hopefully firmware updates will fix this, because it clearly isn't a hardware problem.
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Old June 3rd, 2011, 12:17 PM  
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Quote:
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I don't buy that there's a delay because the processor is underclocked unless it's underclocked ridiculously.
I could not agree more, it should have no effect.
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Old June 4th, 2011, 06:51 AM  
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I've just exchanged my SGS2 for the bug where the phone turned off on it's own requiring a battery pull, and the old one used to take 2.5 seconds to wake, regardless of lock screen wallpaper, and the home screen showed before the lockscreen.

My replacement unlocks in 1 second and goes straight to the lock screen.

Also the home screens are now without lag

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Old June 4th, 2011, 12:41 PM  
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I tried to time mine, but it takes just under a second so it's hard to do properly.

Wake up isn't instant, but for my phone, it certainly isn't an issue.
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Old June 4th, 2011, 12:44 PM  
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Quote:
Originally Posted by lotus49 View Post
I tried to time mine, but it takes just under a second so it's hard to do properly.

Wake up isn't instant, but for my phone, it certainly isn't an issue.
I see where your coming from. to be honest. unless you've got a faulty handset and it takes like 2-3 secs to turn on, I don't think many would even realise that it doesn't turn instantly.
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Old June 5th, 2011, 02:54 PM  
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Quote:
Originally Posted by Spewy View Post
That sounds rubbish tbh, I have had previous Android phones and all were instant on the wake up.
I think if the S2 had both cores going at full frequency while not in use, waiting for a keypress, the battery would be drained in no time. It keeps the parts of the phone that maintain connections open, while applying a lot less juice to the CPU cores to maintain longer energy.

The slower screen-on time was one of the first things I noticed with this phone, but it's not really a problem. The phone has MUCH worse other problems than that to be concerned with
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Old June 7th, 2011, 05:21 AM  
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i find the wake up time when in standby fine, but when on the phone if i take the phone away from my ear (for example to hang up) there is a second or so delay and the other person always has to hang up before me.

This drives me mad
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Old June 7th, 2011, 08:22 AM  
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Quote:
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I think if the S2 had both cores going at full frequency while not in use, waiting for a keypress, the battery would be drained in no time. It keeps the parts of the phone that maintain connections open, while applying a lot less juice to the CPU cores to maintain longer energy.

The slower screen-on time was one of the first things I noticed with this phone, but it's not really a problem. The phone has MUCH worse other problems than that to be concerned with
My wake up time is just over a second, which is much slower than my old phone, HTC Desire, which was instant, but my old Xperia X10 used to take a second to wake so it's not too bad, but it is odd considering the power of the phone.

As for MUCH worse other problems, i'm intrigued, as I have no problems with my phone that I know of?

Biff.
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Old June 7th, 2011, 01:04 PM  
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i find the wake up time when in standby fine, but when on the phone if i take the phone away from my ear (for example to hang up) there is a second or so delay and the other person always has to hang up before me.

This drives me mad
That's just the proximity sensor making sure it's adequately away from your face to make sure it doesn't accidentally hit a key on the touchscreen by accident while you're still on the phone.
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Old June 7th, 2011, 01:07 PM  
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Quote:
Originally Posted by biffsmash View Post
My wake up time is just over a second, which is much slower than my old phone, HTC Desire, which was instant, but my old Xperia X10 used to take a second to wake so it's not too bad, but it is odd considering the power of the phone.

As for MUCH worse other problems, i'm intrigued, as I have no problems with my phone that I know of?

Biff.
As has been already explained, the phone goes into a near-sleep mode so it's dual core CPU doesn't suck all your juice in standby.

Slower phones don't do this and basically stay fully awake when the screen is off.

By the 'much worse' problems... compared to my Moto Droid...

- no dedicated camera button
- no physical keyboard
- no dedicated menu/back buttons (I don't like how they're just empty black spaces most of the time)
- fast battery drain
- slow battery charge
- apps (especially games with motion) crashing

The first 3 aren't bugs, just drawbacks with the design. I'm sure there's more I've come across but just can't think of them off the top of my head right now.
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Old June 8th, 2011, 04:40 AM  
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Quote:
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That's just the proximity sensor making sure it's adequately away from your face to make sure it doesn't accidentally hit a key on the touchscreen by accident while you're still on the phone.
yeah, is there anyway you can customise it so its not so bloody cautious! I'd prefer to occasionally put someone on hold than to wait 2 secs to hang up a call every time!
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Old June 8th, 2011, 06:28 AM  
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Quote:
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yeah, is there anyway you can customise it so its not so bloody cautious! I'd prefer to occasionally put someone on hold than to wait 2 secs to hang up a call every time!
HAHA! I thought it was just me! It is annoying, and most people end up hanging up before I even get a chance to! it's just with the people i WANT to hang up on that it causes me problems
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Old June 8th, 2011, 02:13 PM  
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Quote:
Originally Posted by DarkSky View Post
- no dedicated menu/back buttons (I don't like how they're just empty black spaces most of the time)
They are dedicated buttons - not physical buttons, but even when they aren't lit up they are still usable. You can change the timeout for these buttons if you want and have them always on. I've got mine always off; I know what they do so why do I need to see them?
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Old June 17th, 2011, 09:48 AM  
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this seems to have been fixed with the latest firmware that came out 6/10 ZSKF4

edit: nope i was mistaken. sorry!
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Old June 17th, 2011, 11:24 AM  
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Quote:
Originally Posted by DarkSky View Post
- no physical keyboard
Thank goodness.

Every phone I have ever seen with a keyboard was
a) ugly
b) huge
c) so badly put together that I felt it would break if I typed anything.

Added to that, the keyboards are so tiny that you cannot type properly on them unless you have fingers the size of a three year old.
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Old June 17th, 2011, 09:23 PM  
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yes, i find phones with slideout keyboards (or even blackberry type phones) to be hard to type on, and the slideout ones designs are terrible, in my opinion. anyway, i find the screen lock thing to be a bit annoying at the start, but im used to it now. at least i understand why this phone has that delay, compared to other phones.. and it unlocks immediately if i lock it with the power button.. so im quite ok with it. i dont think its gona be fixed with an update
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Old July 3rd, 2011, 09:31 AM  
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Quote:
Originally Posted by DarkSky View Post
- no dedicated menu/back buttons (I don't like how they're just empty black spaces most of the time)
You can leave them always on if you like.

I also want to express my disatisfaction with the long wake up time. Ok, the processor is hungry and needs to be underclocked more than the older android phones. But this is not how I want the phone to be and it is annoying. I have tried both hi and low res images on the lockscreen (hi res taken with the sgs2 camera, low res the same image but really zoomed in). The wake up time is ~1.1s in both situations.

Could a future processor governor utilize the temperature, accelerator and proximity sensors to speed up the processor when you remove the phone from your pocket maybe?
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Old July 3rd, 2011, 10:35 AM  
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Why not just get rid of the lock screen and have the SG2 go directly to the home screen with a push of the side button? It might still delay but at least you could be at your home screen.
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Old August 15th, 2011, 07:32 PM  
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I have found that if you disable wifi it seems instant again, not sure why, but try that people!
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Old August 25th, 2011, 07:40 PM  
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Default **fix**

All you have to do is download "Softlocker" from the Market which allows the phone to stay on even if the phone is on standby...not allowing it to go into deepsleep mode.

It doesnt drain your battery either, max 2%...

The same process could be done by leaving an app open such as the musikplayer or anything thatīs running whilst being on standby, wont let it go into a deepsleep.

Now you can unlock within a milisecond
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Old August 25th, 2011, 10:07 PM  
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Quote:
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All you have to do is download "Softlocker" from the Market which allows the phone to stay on even if the phone is on standby...not allowing it to go into deepsleep mode.

It doesnt drain your battery either, max 2%...

The same process could be done by leaving an app open such as the musikplayer or anything thatīs running whilst being on standby, wont let it go into a deepsleep.

Now you can unlock within a milisecond
what a lie it will obviously drain more battery than when it is in deep sleep
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Old August 26th, 2011, 12:01 AM  
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One thing that hadn't been mentioned is that there is a short delay between pressing the home button, and anything happening. The reason for this is the Vlingo app, and the phone waiting for double home button press. There is a mod out there to remove this functionality, and the associated delay. A few custom ROMs have added this in by default or as an option (I am running Villain ROM, and it has it as an additional option).

After applying this, my Galaxy S2 is as fast waking up from pressing the home button as any other android device I have previously used.

I couldn't tell you if there is any chance of being 'fixed' in an official release, because it would mean disabling the whole Vlingo action.

All the info on this is over at XDA Developers, I won't post a link since it is pretty sketchy stuff at this point in time, and I would only attempt applying it if you are really serious about modding your phone.
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Old August 26th, 2011, 08:22 AM  
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Quote:
Originally Posted by RoRo1990 View Post
what a lie it will obviously drain more battery than when it is in deep sleep
Who said it doesnīt? isnīt that OBVIOUS?... But during the day youīre anyway using your phone constantly so "deepsleep" isnīt THAT important. And you can switch it off and on whenever you want, so at night you can leave it on deepsleep. Itīs up to you anyway, if you dont mind losing a minimal amount of power during the day but have a responsive wake-up then yeah, get it...if not, donīt. You can also use Software such as Juice Defender which manages all kind of connectivity and shedules for your battery which will make up for the Softlocker.
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Old August 26th, 2011, 07:06 PM  
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Originally Posted by Ravey View Post

It doesnt drain your battery either
.
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Old August 26th, 2011, 07:13 PM  
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.
Let me rephrase it just for you. What I obviously meant was, it doesnt drain your battery that much hence the "max 2%".
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Old October 18th, 2011, 11:44 AM  
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I must say I'm also very disappointed with S2's slow wake-up... It takes about 1 second for me. The most of S2 owners and fans tend to be very noncritical, but I think that's awfuly slow. Yes, S2 sure is beautiful and amazing, but having paid 600 € for it, I'd expect it to be better then my previous HTC Desire in absolutely everything, which simply isn't the case. It's prettier, its screen is better, it's lighter, it's (sometimes) faster, it has far more space, but it takes 1 second to wake up, 2 seconds to hang up a call, I have to charge it every single night, I can't turn the annoying camera sound off and I had to download an app to turn off the "battery fully charged" notification sound, which woke me and my girlfriend up at night several times... I'd expect some update to appear to fix these issues, but it's now October and there has been none.
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Old October 28th, 2011, 01:09 PM  
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I actually had the same problem and I found why, atleast for my phone. I put in a new micro-SD card yesterday and noticed that since then...my screen takes about 2-3 seconds to come on after pushing the power button. So I took it out today and it is back to turning on instantly. maybe the phone scans the card whenever you push the button and thats why there was a lag???
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Old November 1st, 2011, 09:39 PM  
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This may be too simple, but I turned my Galaxy S2 off and turned back on again and now it works fine.
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Old November 27th, 2011, 10:33 AM  
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Exact same issue here.
Apart of the fact that taking the SD out hasn't solved the problem.
Before inserting the SD the phone turned on in milliseconds.
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Old November 30th, 2011, 03:12 PM  
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Default mine takes 1.5 seconds after updating to 2.3.4

I have SE Xperia mini pro and I'm having this problem only after updating to 2.3.4, my phone takes up to 1.5 seconds when waking up, I have to say the battery life got better after updating, so this makes me of the opinion that this has something to do with CPU frequency
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