Develop Bugs

[Q] Touchscreen unresponsive at times

When I'm using my ARC, sometimes the touchscreen is unresponsive. For example, when I'm playing Fruit Ninja, sometimes the touchscreen does not respond at all. I thought it was a problem with the game. Then same thing happened with Cut the Rope. It happens when I'm clicking on the screen, not a problem with swiping. At first, I was still in denial, thinking that it has to do with the games. Then when I'm using the camera, the freaking phone is unresponsive again for like 3-4 seconds (multiple times). What is going on?? Anybody facing the same problem?

This usually happen when you are low in RAM. Try reboot the phone, it usually fixes the lag for me.

At my arc, sometimes touchscreen get a finger press blocked on right-bottom corner. I have to lock and unlock the phone to make it disapear. It happens on both stock rom and CyanogenMod

Mine has also started doing this quite often. It seems like the screen is registering a finger input that isn't actually happening. When this happens to me, one area of the screen becomes unusable until i lock and unlock the phone.

yup you have to reboot and it will be a long one!
Sent from my LT15i using XDA Premium App

So it's a general problem ? Hopefully a software one....

Have had this several times, but not often enough to annoy me.
Maybe once every two weeks, and I just wait and it sorts itself.
Sent from my LT15i using XDA App

I can't stand lag ! I have to do my phone 4 to 5 times a week
Sent from my LT15i using XDA Premium App

Seems like we're not the only ones with this problem. Could it be a hardware issue?
http://www.facebook.com/topic.php?uid=35313373389&topic=28327&post=156535
I unlocked my bootloader and rooted my phone. Does it void my warranty? Do I have to lock my bootloader and unroot my phone so that I can send it in for repair??
man...after surfing around for problems with the arc...seems like this phone is packed with problems...the screen problem, the case cracking, etc...what is going on?

[Q] lock screen disappeared / phone restarting

i have this phone for a week and the lock screen disappeared after the first day .... i thought its a issue so i replaced it with a new one ... and it also had the same problem ..... and now it is getting restarted ... it has happened to me twice in 2 days .... does anyone know how to fix the lock screen that disappeared ??????????

sanil1986 said:
i have this phone for a week and the lock screen disappeared after the first day .... i thought its a issue so i replaced it with a new one ... and it also had the same problem ..... and now it is getting restarted ... it has happened to me twice in 2 days .... does anyone know how to fix the lock screen that disappeared ??????????
Click to expand...
Click to collapse
Yea the same thing happened go mine. I no longer have
a lock screen. I've tried everything too. I rooted tried custom ROM tried flashing back to stock nothing works.
Sent from my SGH-T989 using Tapatalk

sanil1986 said:
i have this phone for a week and the lock screen disappeared after the first day .... i thought its a issue so i replaced it with a new one ... and it also had the same problem ..... and now it is getting restarted ... it has happened to me twice in 2 days .... does anyone know how to fix the lock screen that disappeared ??????????
Click to expand...
Click to collapse
Also every time I restart my Bluetooth is turned on and the screen timeout is set to 10 mins. I'll post a video later
Sent from my SGH-T989 using Tapatalk

The lock screen disappearing and the power menu going away is a bug that can randomly happen apparently. You probably trigged this bug by going into the lcdtest menu (typing *#0#* or whatever it is). The only way to fix this is a master reset. Just avoid using the lcdtest menu and it shouldn't happen again.
Sent from my SGH-T989 using xda premium

alright will try to do a master reset again and not do the lcd test this time .....

matthenry87 said:
The lock screen disappearing and the power menu going away is a bug that can randomly happen apparently. You probably trigged this bug by going into the lcdtest menu (typing *#0#* or whatever it is). The only way to fix this is a master reset. Just avoid using the lcdtest menu and it shouldn't happen again.
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
Tried a master reset on the phone and no luck at all still have the same problem. Also thr initial welcome screen never showed either.
Sent from my SGH-T989 using Tapatalk

same here .... no luck at all .... i dun know if this bug will be fixed or not ....

Is anyone else having this issue?
Sent from my SGH-T989 using Tapatalk

i came to know that a lot of people are having this issue .... even if the lock screen is not fixed atleast samsung shouil fix the restarting issue ... its just growing more and more .... i had two restarts yesterday .....

I havent had any random restarts. Im thinking about going to get an exchange
Sent from my SGH-T989 using Tapatalk

this is my second galaxy ... the earlier one also had the same problem with heating too ... atleast this one does not heat up always

it's all in the software
keep an eye on what you are installing, and how the apps behave in the phone
some apps stay in the background if you don't exit them properly
the screen lock bug is a known issue that gets triggered after you run some test
to get it back just restore everything back to default using factory wipe

did the factory reset .... and didnt do any test .... yet the second day the lock screen disappeared and the third day the restarting happened and still it continues

AllGamer said:
it's all in the software
keep an eye on what you are installing, and how the apps behave in the phone
some apps stay in the background if you don't exit them properly
the screen lock bug is a known issue that gets triggered after you run some test
to get it back just restore everything back to default using factory wipe
Click to expand...
Click to collapse
yea I'm sure its just a software issue hopefully its fixed soon.
but I've tried everything. like the person above from me said, it happened on the second day.
I've tried factory resetting the phone and even flashing a stock rom and no go. its gone.
im not having the restart issue though

hope everything will be fixed in ice cream sandwich .... the lock screen in that is a facial recognition ... so hope it will be a huge improvement ... cant wait for that .... just read somewhere that samsung might get ice cream sandwich to s2 users as early as December

Will samsung be releasing a patch before ICS to address the pattern draw lockscreen issue? This is the only problem preventing me from leaving the sensation and jumping onboard the SGS2. I carry a lot of sensitive material, so that would be a huge security breach.

Ive only had this issue when the phone boots on. There are unlock icons but i see my homescreen and the phone is locked. Rooted to jugs 2.6 and still the same thing.
Sent from my SGH-T989 using xda premium

This was a big deal with the Samsung Behold 2. I am surprised samsung repeated this software defect with such a high end phone. I wonder if there will be a patch for this before the ICS update. IMO this is worse than the vertical lines!

Problem Solved
i actually figured out a way to restore my lock screen back.
Note: This involves messing with the efs folder. So do this at you own risk
also, your phone must be rooted in order to do this.
Tools Needed:
1. Hex Editor
2. Root Explorer
Steps to restore:'
1. Using root explorer locate the /efs/imei/ folder. In that folder there should be a file called keystr. In my case the file was missing which is why the lock screen was missing and was causing my problems.
2. using root explorer create a new file called keystr
3. also in root explorer open the file keystr in text editor and type ON
4. now go into hex editor and locate the /efs/imei/keystr file.
5. using hex editor the first two values in green should be 4f and 4e. all others should be 00.
6. make sure you save the file.
7. reboot.

Sorry to bring up and old thread but I just wanted to have it here incase anyone has the same problem in the future. I had the same problem as well after running LCD Test. To fix it I followed the solution on this thread
http://forum.xda-developers.com/showthread.php?t=1401723&highlight=lock
It fixed my problem without a factory reset!

on demand lockscreen?

searched but couldn't find it so hopefully someone can help.....
i always have my phone right next to me but have my phone set up with a pattern unlock security for those moments that i leave it somewhere in a hurry and not worry about someone being able to get into my stuff but since 95% its right next to me i hate having to do the pattern unlock even though i can do the pattern fast i prefer not have too... so is there an app or shortcut so i can have my phone without a lock but for those quick moments that i need it locked i can activate it with just pressing that app instead of having to go into settings and manually setting it up again then remove it?

Not sure if there is an app specifically for that. Best I can think of is you might be able to set a condition using a app like tasker or impel. Basically, "if I press this button then enable this" I'm not sure how well or if this would even work but its worth a look I suppose.
Sent from my SPH-D710 using XDA

I have been using no lock from the market.. It works great to flip your lock screen on or off. Works great on GB.. Flaky on ICS
https://play.google.com/store/apps/details?id=org.jraf.android.nolock
Sent from my SPH-D710 using Tapatalk 2 Beta-5

Ma$etas said:
searched but couldn't find it so hopefully someone can help.....
i always have my phone right next to me but have my phone set up with a pattern unlock security for those moments that i leave it somewhere in a hurry and not worry about someone being able to get into my stuff but since 95% its right next to me i hate having to do the pattern unlock even though i can do the pattern fast i prefer not have too... so is there an app or shortcut so i can have my phone without a lock but for those quick moments that i need it locked i can activate it with just pressing that app instead of having to go into settings and manually setting it up again then remove it?
Click to expand...
Click to collapse
I don't know of any particular app that does that but I just set my security settings to automatically lock with a delay. I generally leave it at about one or two minutes.

pcmanager said:
I have been using no lock from the market.. It works great to flip your lock screen on or off. Works great on GB.. Flaky on ICS
https://play.google.com/store/apps/details?id=org.jraf.android.nolock
Sent from my SPH-D710 using Tapatalk 2 Beta-5
Click to expand...
Click to collapse
I am using NO LOCK right now on ICS and yea it's not perfect but I can keep the PIN CODE lockscreen and then use the app to disable it when I want.

MrDowntown12 said:
Not sure if there is an app specifically for that. Best I can think of is you might be able to set a condition using a app like tasker or impel. Basically, "if I press this button then enable this" I'm not sure how well or if this would even work but its worth a look I suppose.
Sent from my SPH-D710 using XDA
Click to expand...
Click to collapse
Tried figuring that out but couldnt find a solution. thanks either way.
pcmanager said:
I have been using no lock from the market.. It works great to flip your lock screen on or off. Works great on GB.. Flaky on ICS
https://play.google.com/store/apps/details?id=org.jraf.android.nolock
Sent from my SPH-D710 using Tapatalk 2 Beta-5
Click to expand...
Click to collapse
Tried this and so far working great just what i was looking for. Hopefully someone can figure out a way for the phone to do it without having to install a third party app, but for now NO LOCK is working great. Thanks.
rwilco12 said:
I don't know of any particular app that does that but I just set my security settings to automatically lock with a delay. I generally leave it at about one or two minutes.
Click to expand...
Click to collapse
I did this but ill use it for a quick minute or less then it will shut off then at the time i turn the screen back on its locked and i have to unlock it and what i wanted was when suddenly i have to put my phone down and i want it to be locked with a push of a button without having to go into settings and setting it up . thanks either way as well.

Tasker will do anything you can possibly think of. Including this.
Sent from my SPH-D710 using XDA

I use delayed lock and it's perfect for me.
Sent from my SPH-D710 using Tapatalk

No Lock No Work But...
No Lock didn't work but a different app from the store call No Lock Screen works like a charm (for the exact problem you described).

hey @Ma$etas , do you found another app or way to solve your problem ?
Same as you, I need on demand lock screen, I lock when I want. I didn't want to unlock using pattern or pin every time I use my phone.
But, I need to lock it sometimes. If I left my phone on desk, when I'm sleeping and any other condition

smart_thingup said:
hey @Ma$etas , do you found another app or way to solve your problem ?
Same as you, I need on demand lock screen, I lock when I want. I didn't want to unlock using pattern or pin every time I use my phone.
But, I need to lock it sometimes. If I left my phone on desk, when I'm sleeping and any other condition
Click to expand...
Click to collapse
No, i never did . I remember i tried a few apps but they all had one or other issue.
I gave up on looking for one and just manually set it up .

Ma$etas said:
No, i never did . I remember i tried a few apps but they all had one or other issue.
I gave up on looking for one and just manually set it up .
Click to expand...
Click to collapse
Ooohh so sad
like I do, until now i'm still do manual screen lock as needed

Black Screen/mic issue

Hi everyone,
I am having an odd issue. Regardless of the rom I use, very often when either I make a call or receive a call my screen will go black as soon as I answer it or it connects.
The problem though is, i Can't get the screen to go back on until the call disconnects. If I do get the screen to go on by mashing the buttons, the second I get back to the screen that shows the call it goes black again.
Also, at the same time when this happens, people cant hear me, it sounds like I'm in a tunnel according to them. I literally have to scream. The only way I can take call normally is hope it doesnt go black instantly and switch it to speaker phone. Then it works fine.
I am currently running carbon 4.4.2, but its not a rom issue in my opinion as this was happening when I ran Liquid and paranoid.
Any ideas, its getting to the point where its getting very annoying.
Thanks again!

I'd Odin to stock.
And start customizing my phone 1 step at a time to see if something I had running was causing the problem.
Sent from my SGH-M919 using xda app-developers app

Android_Monsters said:
I'd Odin to stock.
And start customizing my phone 1 step at a time to see if something I had running was causing the problem.
Sent from my SGH-M919 using xda app-developers app
Click to expand...
Click to collapse
Well, guess we will never know because I accidently dropped my stapler on my phone and now its totally busted lol ..already got a new one on the way

Screen Unresponsive

I have had the phone for less a week and I have had to pull the battery twice cause the screen became unresponsive to touch. Was wondering if any one else has had this issue. Very frustrating.
Sent from my LG-D851 using Tapatalk

retrofred said:
I have had the phone for less a week and I have had to pull the battery twice cause the screen became unresponsive to touch. Was wondering if any one else has had this issue. Very frustrating.
Sent from my LG-D851 using Tapatalk
Click to expand...
Click to collapse
Once today after I woke the screen while shopping, it just froze. Again a few days back when I think I was editing text in an online form. I wonder if the keyboard is playing a role...
Sent from my amazing LGG3!

wideasleep1 said:
Once today after I woke the screen while shopping, it just froze. Again a few days back when I think I was editing text in an online form. I wonder if the keyboard is playing a role...
Sent from my amazing LGG3!
Click to expand...
Click to collapse
If it the lg key board then I would agree. No issues once I went to google or swift key boards

Happened on the G3 that I exchanged last week. Woke it from deep sleep and unlocked the lock screen but after that it was semi frozen. I could turn the screen off and on with the power button but that was it. Had to do a battery pull.
Sent from my LG-D851 using XDA Premium 4 mobile app

Skizzy034 said:
Happened on the G3 that I exchanged last week. Woke it from deep sleep and unlocked the lock screen but after that it was semi frozen. I could turn the screen off and on with the power button but that was it. Had to do a battery pull.
Sent from my LG-D851 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
does it still happen? mine randomly freezes on lockscreen. I will have to wait a minute or so and then it comes back to life

I am experiencing this problem as well. It didn't start happening until I turned off the Knock On feature.
I have to battery pull my phone about twice a day.
I don't want to turn Knock On back on because it is a battery drain and it incredibly sensitive.
Does anyone know a solution?

squasha said:
I am experiencing this problem as well. It didn't start happening until I turned off the Knock On feature.
I have to battery pull my phone about twice a day.
I don't want to turn Knock On back on because it is a battery drain and it incredibly sensitive.
Does anyone know a solution?
Click to expand...
Click to collapse
Just had it again in line at Costco...annoying. After a pull I've downloaded No Lock and activated it...this is the second time in two days it has frozen transitioning from wake to unlock screen. I'll report back in a few days if this was a fix.
Sent from my amazing LGG3!

F4M0U569 said:
does it still happen? mine randomly freezes on lockscreen. I will have to wait a minute or so and then it comes back to life
Click to expand...
Click to collapse
New one is fine.
Sent from my LG-D851 using XDA Premium 4 mobile app

I have not had this happen at all

wideasleep1 said:
Just had it again in line at Costco...annoying. After a pull I've downloaded No Lock and activated it...this is the second time in two days it has frozen transitioning from wake to unlock screen. I'll report back in a few days if this was a fix.
Sent from my amazing LGG3!
Click to expand...
Click to collapse
it is happening to me as well..i like to keep my phone locked with a pin password and sometimes it freezes out of nowhere..now disabling the lockscreen seems to work but thats not how it should be

Maybe you guys did something or and app is incompatible
Sent from my LG-D851 using XDA Premium 4 mobile app

Mine is doing the same thing and tends to do it at least every other day. Mine hard locks to the point of requiring a battery pull. From what I've found:
1. It happens on ART more than Dalvik. I left it on Dalvik for 4 days and it didn't happen once.
2. Mine tends to lock up most frequently when I pull the notification shade down while on the lock screen, probably accounting for 75% of the locks.
Is this consistent with anyone else's experience?

Mine will do every two to three days or so, but I stopped using the LG keyboard and am using the Google keyboard and seems to have helped. Also it gives me a warning before it goes dead to touch in that it shudders a bit.
Sent from my LG-D851 using Tapatalk

Dxtra said:
Maybe you guys did something or and app is incompatible
Sent from my LG-D851 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
It started after I turned off the Knock On off. Which I did thru the secret menu. I literally have to bang on screen to make it wake up.

squasha said:
It started after I turned off the Knock On off. Which I did thru the secret menu. I literally have to bang on screen to make it wake up.
Click to expand...
Click to collapse
my freezes as well..it is starting to get on my nerves
https://www.youtube.com/watch?v=VCv9AwGUpyw&feature=youtu.be

hello00 said:
my freezes as well..it is starting to get on my nerves
https://www.youtube.com/watch?v=VCv9AwGUpyw&feature=youtu.be
Click to expand...
Click to collapse
Are you using stock launcher? Did you disable animations?
---------- Post added at 09:24 PM ---------- Previous post was at 09:22 PM ----------
bradoggk said:
Mine is doing the same thing and tends to do it at least every other day. Mine hard locks to the point of requiring a battery pull. From what I've found:
1. It happens on ART more than Dalvik. I left it on Dalvik for 4 days and it didn't happen once.
2. Mine tends to lock up most frequently when I pull the notification shade down while on the lock screen, probably accounting for 75% of the locks.
Is this consistent with anyone else's experience?
Click to expand...
Click to collapse
Come to think of it, notification shade may play a role...are you using stock launcher and do you have animations off? TIA!

wideasleep1 said:
Are you using stock launcher? Did you disable animations?
Click to expand...
Click to collapse
no..im using nova and the animations are set to .5x..urs doesnt randomly freeze at all?

hello00 said:
no..im using nova and the animations are set to .5x..urs doesnt randomly freeze at all?
Click to expand...
Click to collapse
Mine freezes every other day, and sometimes twice in the same day. Running stock launcher, all animations off, and ART. All freezes seem to be after double-tap wake, and then either a notification swipe or page scroll..still looking for patterns.

wideasleep1 said:
Mine freezes every other day, and sometimes twice in the same day. Running stock launcher, all animations off, and ART. All freezes seem to be after double-tap wake, and then either a notification swipe or page scroll..still looking for patterns.
Click to expand...
Click to collapse
i disabled the knock on so that cant be the cause of the freezing..it gotta be something else..at first i thought mine was defected because i didnt see anybody with this problem

hello00 said:
i disabled the knock on so that cant be the cause of the freezing..it gotta be something else..at first i thought mine was defected because i didnt see anybody with this problem
Click to expand...
Click to collapse
I'll just add that last night I added 'No Lock' app and enabled it, so now only a wake to get to desktop, and no freeze since, but it's only been a day, too early to tell.