[Q] missing lock screen - Galaxy Tab 10.1 Q&A, Help & Troubleshooting

hi,
I have an issue with lock screen on my GT-7510 with stock 3.2. There is no lock screen when I lock the device. I can configure PIN or password and so on in settings but when I wake up the tab the lock screen is still missing.
I've tried factory reset with no effect.
can someone give me an advice how to solve this? I don't want to install any special app or custom rom...
Thanks

I have the same issue since my Gtab came back from being repaired by Samsung.
I have also tried a hard reset.
The only time I see any lock screen is at first start from hard reset.

Have you tried re flashing the stock ROM or maybe a custom one? Can't think of anything else that should work (or not)
Sent from my GT-P7500 using xda app-developers app

I have the same issue with my GT-P7500, it has unlocked padlock on bootup screen, it has a correct IMEI on settings, but has NO SERIAL NUMBER (00000000000), I don't know why.
I tried several stock roms but the only one where lock screen works is with the last 3.1 for UK (PDA: P7500XWKHD CSC: P7500XEUKH3 PHONE: P7500XWKG1).
I have too a "Factory Mode" icon on home screen where I could write samsung codes (like "*#1234#" to see the rom version).
The problem: It doesn't matter the kind of lock you configure, after spending the correct time to lock it or pushing power button to lock it inmediately, there is no lock screen at all, and when you push power button again, it backs to the running program. At the same time, if you push the power button for 1.5~2 seconds, it just power down without the typical selection window (where you could activate silence and flight modes).
Other cons: I tried to install AOKP, and it show me a serial number.
Maybe with those details someone can help us.

in custom roms, like CM9, the lock sreen works, in stock ICS doesn't

Related

[Q] lg optimus one home/airplane/silent/lock functions gone

Hello I dont know if this question respects only the LG O1 but I am gonna start from here.
I had my phone on my desk and suddenly I found out that
the lock screen is gone (when I press the lock button the screen just turns off)
the home button was not working - responding alone
the airplane and silent mode were gone only power off selection existed when I had the lock button pressed
and all my calls were automatically reset.
I tried to reboot and remove the buttery and/or SIM but no luck. I dont want to factory reset at all is there anything I can do throw the ADB shell. Any place were I can look at
I am experiencing the exact same problem since late last night. In addition the Home button and Search button do not work (when pressed they illuminate the screen - since there is no lock anymore) however do not carry the intended function (of returning to home menu or searching).
Can someone please help! I have already sent 2 random (and one embarrassing ) SMS to people on my contact list.
I know one easy way so READ CAREFULLY
1: find and install "Power Control Plus" widget from market.
2: Add Lock on/off widget to background and disable.
It's that easy
So this is just for the lock I will see something about other stuff u said.
Thanks ljubisa_sk
Unfortunately the widget does not lock the screen - actually it has no effect nether this, nor other 'screen locker' apps in the market
My phone is branded and locked to Three Ireland (H3G).
Does anyone know whether there was some sort of OTA update rolled out automatically or something similar?
I know this is old and the issue still remains.
However, what I have seen now is that when I put the phone on airplane mode, the screen lock appears and I can slide to unlock.
As soon as the airplane mode is off, I get back to the same symptoms.
Can anyone help please??? I am really getting annoyed with my phone.
Flash a custom rom ?
ccdreadcc said:
Flash a custom rom ?
Click to expand...
Click to collapse
but the phone is 2 months old only - I'd rather not void the warranty.
I was hoping for a solution here as I'm not in Ireland anymore to send it to the Three store.
Better void warranty, lg os is the most crappy thing I've experienced.after first inversion of void Rom I was stunned by it's speed and with the touchscreen fix you will experience new powers of this cheap phone.I've voided my warranty in the first month . Good luck.
Sent from my LG-P500 using XDA!

[Q] No Lock on SGS III (or on ICS in general)

I was used to using No Lock on my previous Android 2.3 phone:
https://play.google.com/store/apps/details?id=org.jraf.android.nolock
Always worked flawlessly.
On my SGS III however there is an annoying side effect.
I tried it with a Pattern Lock and also a PIN lock.
With one of these active, and then telling No Lock to disable the lock, I can succesfully turn the screen back on without going through the lock. Great for car or desk use.
However as soon as I then select something from the Notifications pulldown, the Pattern or PIN lock suddenly pops up! It is like it was already running in the background, and then became activated or something.
I tried various alternative apps, such as Impel (with a script), No Lock Screen (with Only when charging), Auto Unlock Trial Edition... but all exhibited the same problem. Some would even change the Home button into a 'Show The Lock Screen" button... even worse!
I wonder if this is specific for Samsung, or SGS III, or ICS.
So, has anybody got a clue... or a fix?
I think it's an ICS thing... I've been using Delayed Lock for over a year and IIRC when ICS came out, this problem was present, however it was fixed by the dev. The other thing is that for DL to work on ICS using an unlock pattern, it needs to go in the system/apps but didn't need to on GB.
Sent from my CM9 TouchPad
Thanks, I'll give Delayed Lock a try.
In the mean time, still open for other suggestions and/or deeper insights into this matter!
You can just disable the lock screen in the security menu, no? I used the rooted image and Odin to root my phone but I thought the image was all stock and I have the option to have no lock.

[Q] landscape mode bug with lockscreen

Hi All,
I found a bug and want to see if it only affects my rom or others. I'm running Resurrection 2.5.3 on a SGS2.
DO NOT TRY THIS UNLESS YOU WANT A CHALLENGE TRYING TO UNLOCK YOUR PHONE W/O THE OK BUTTON. YOU HAVE BEEN WARNED.
If you want to try this and you have the pin lock on, i suggest using a simple pin number consisting of only 1,2 4 and 5. Also turn on the feature that automatically unlocks w/o hitting OK.
To repro the bug:
* lock your screen into landscape mode with auto-rotate turned off.
* let the phone lock.
*If you have the pin lockscreen enabled, when the display comes back up, you can only see the top left corner of the keypad. On my phone I couldn't not press the OK button after i entered my pin.
* I finally managed to unlock using adb and screen caster.
Anyone else experience this? I have to say it's really annoying. Took a bit of time to figure out how to login.
sam

[Q] Samsung galaxy S4 GT-I9505 Problem

Hi
I have an unlocked samsung galaxy s4 gi-i19505
Recently after i updated to 4.4.2 kitkat i started having problems. After the phone is not being used for a while, when i press the unlock button the unlock screen appears but the circle with the lock inside it is missing and the phone appears to loose touch i can't unlock the phone or pull down the notification panel. When i press the lock button again the screen goes black and the phone just freezes completely. It doesn't react to the unlock button any more or to the home screen button. I have to take out the battery and then everything is normal again until the phone is left unused for a while again.
I tried reinstalling the firmware again but it didn't help. I didn't factory reset the phone as I don't want to be setting it up again as it takes me a while. Does anyone have similar problems knows how to fix it ?
Thanks.

[Q] Unusual S3 lock screen problem

Hi all,
I have a Samsung Galaxy S3 GT-I9305T rooted and running Android 4.3 with Touchwizz.
The problem I am having is that the screen will not turn off and pressing the power button will not lock the phone. Holding the power button will bring up the device options menu (power off, restart etc) indicating that the button itself is still functioning.
Restarting the device will boot to the lock screen, however the screen still wont turn off and after unlocking the phone once, you can no longer lock the phone.
In the phones settings, under battery it shows that it doesn't even register the screen as being on or the phone being awake (see image) however the phone is still completely functional aside from the issues stated above.
This problem occurred after accidentally dialling emergency services from the lock screen while watching a video on my computer and absent mindedly spinning my phone in my fingers. As soon as I saw it was dialling I cancelled the call and took the battery out. When I started the phone I noticed the screen wouldn't turn off and the phone wouldn't lock.
Hoping I wont have to do a factory reset, if anyone has any ideas or suggestions, they'd be greatly appreciated.
Thanks
Have same problem with my Alcatel Onetouch Fierce 2. Fairly certain it's from this Kingroot in my case. However I don't know enough to prove this. I started using apps to lock the screen for me but they started not working as well.

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