[Q] [Bug] GT-I9500 Default lock screen freeze - Galaxy S 4 Q&A, Help & Troubleshooting

Stock ROM and not rooted.
My lock screen sometime freeze over. Sometime it just need a couple seconds until I could unlock my phone, another time I need to beat the home button.
-Reducing the animation scale to half did reduce the freeze frequency
-Changing unlock effect to none doesn't help at all,
-I also disabled shortcuts and multiple widgets option, yet still it freeze
-Disabling CPU power saving also didn't work
But the screen still recognize my touches, it just won't let me unlock.
Only when I disable the animation effect, then it won't freeze. But what's the point of buying hi-spec gadget if it can't handle even HALF animation scale? anyone have the same experience? Know how to solve it? Please help, thanks
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update
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Disabling animation effect is no good too, although the frequency is greatly reduced
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Latest update:
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Factory reset does solve the problem, it only happened twice after factory reset. (Done the factory reset for almost 1 month ago)

Similar bug
hi
I have the same problem (sometimes). The lockscreen freeze, and i can't do anything, just wait (3-15 S)
The last time i must hold power button and made a hard reboot i don't know what's wrong.
Here is my build number: JDQ39.I9500XWUBMG5
i have the stock lock screen with light effect. and DashClock 1.5.
if some one have any reply, please post.
thks

Try remove ur case..

Lock Screen freeze I9500 JB 4.3
I have the same problem in my lock screen, it freeze even after factory reset, reducing animation and disabling the lock screen effect !
do you guys have any suggestion to solve this problem completely and why it happens with some I9500 users?!
Thank you

Related

[Q] please help: sleep mode problem

Hello.
Appreciate your help please.
whenever my HD2 goes to sleep mode, and when i press any button to activate the lockscreen, there is a delay before the lockscreen appears. sometimes this delay is more that 6 or 7 seconds. did any body face a similar problem and is there a fix for that?
I am on a stock ROM and not using CHT.
Thankss
this is not normal; never happened to me when on stock. but, often this is from software installed or bloatware installed.
options in my opinion - uninstall programs. or hard reset. or flash a new rom; this latter one is probably best!
good luck.

Unresponsive screen

Android 2.3, 407band, DSC 7.0 rom, Go launcher (default), Zeam launcher (secondary)
Today while using an app called wallbase, I hit the home button while the app was setting a wall paper for me (normally I wait until it says wallpaper set). The home screen popped up but then Go launcher had a FC error (which it has never had since I've been using it). It had the option fc or wait I hit wait. Next my wall paper went black then my screen followed by two vibrations and a notification sound I never heard my device make.
I rebooted to the lock screen with a black background and no service on the screen. It was unresponsive to my touch and after about 10sec. it gave the same two vibrations and sound from before then shut the screen off. The power button did not turn on the display so I had to hold it down for about 20sec for it to reboot to dell logo. From there i went into nandroid and flashed severals roms loaded to the lock screen, rinse/repeat, to find the same result (simple streak, streakroid, older version of dsc).
I reset permissions, wiped cache and dalvik, calibrated screen. Want to avoid a factory reset because I don't have a backup.
Help guys? Mods please move to the appropriate forum.
If all fails and you don't have another alternative.
install the DSC v0.70 update, it shouldn't delete your 'data'.
I would backup your streak, better be safe than sorry.
So I tried letting it sit with the battery out for the night (6 hours) and booting it up this morning with the ac charger. It loads to the same lock screen (standard screen with black background and no service on screen) and all my start up apps loads, it even showed me a text notification. I did notice that the time was wrong though and never changed.
Any one have this issue before? What suggestions are there to combat this? The G.Note doesn't fit into my budget right now. May have to factory reset this and sell it as a last resort.
Help guys?
Outlook for this issue looks grim. Seem others with a similiar issue on different devices have had to factory reset or return it to manufacturer.
Before I do that, is there are any possible way for me to backup some of my app data?
Anyone know if Dell still helps with this device?
I use the app cadrebible often(its the only one I really care about) but it doesn't auto sync/backup and my last manual backup must be from Dec2011 - yea makes me want to cry.
I can load into fastboot, so is there a way I can uninstall a few apps I suspect are causing the issue? Move files from the phones to the sd card/computer?
factory reset. Mod feel free to close thread. -- yes im crying.
Did you try calibrating the touch screen?

[Q] Lock Screen loop

Running the latest stock ROM.
Wondering if anyone has seen a lockscreen loop - and if so knows the cause.
Somewhat regularly the screen will go black and return to the lockscreen. Unlocking will revert straight back to the lockscreen after a momentary flicker of the last running app. If you leave things for a moment system will lock and go dark then re-open to the lockscreen then everything is good again.
Yes, this happens to me too
daveh86 said:
Running the latest stock ROM.
Wondering if anyone has seen a lockscreen loop - and if so knows the cause.
Somewhat regularly the screen will go black and return to the lockscreen. Unlocking will revert straight back to the lockscreen after a momentary flicker of the last running app. If you leave things for a moment system will lock and go dark then re-open to the lockscreen then everything is good again.
Click to expand...
Click to collapse
Same thing here. It is intermittent. Running stock 4.2.1. I have tried various timeout settings and lock screen security settings. Still happens. It is worse than annoying as it is difficult to get out of this loop without powering off and on.
Any ideas anyone?

Nexus 4 - Screen unlocking problem

I have my Nexus 4 for about 2 months now, and lately I have noticed a very annoying thing.
Whenever I lock my screen and then trying to quickly unlock it (using the power button), the screen lights up a little bit in a dark blue, stays like that for about 15-20 seconds, and only after that the lock screen shows up, allowing me to unlock the phone. This happens every time I try to unlock it after, let's say, less than 10 seconds after I locked it. If I unlock it after a longer period of sleep, no problem at all.
I have stock Android 4.2.2 and the phone is not rooted.
I have had installed GO Locker, and thought that it might cause the problem, but I uninstalled it. Unfortunately the problem persists.
I also had apps like Screen on / off, GO Switch, that were device administrators to allow them to lock the screen. I have unistalled them all, the same situation.
Can anybody tell me what is the cause and how could I fix this? It's really annoying when I need some quick information and I have to wait 20 second for the screen to unlock.

Lock screen clock delay

Hi,
I'm having a weird issue since I've updated to MM (currently running Chroma with the included kernel): almost every time I unlock the phone the clock on the lock screen displays the wrong time, only updating to the right one a couple of seconds after the screen has turned on.
I tought this could be caused by Doze and tried adding the clock to the list of not optimized apps but that didn't work. Is anyone else having the same problem? Any suggestion?

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