[Q] Strange problem with pattern unlock - Android Q&A, Help & Troubleshooting

This is happening on an HTC Desire Z (A7272) with Android 2.3.3. A few days ago I was unable to input the pattern to unlock my phone. It wasn’t that I was putting in the wrong code or anything. The problem is as my finger slides over the pattern “buttons” the bottom three buttons don’t register. It is not that the bottom portion of the touchscreen is dead. It shows a green line connecting to the tip of my finger through the button. It just won’t turn the button green (or red for that matter).
I performed a complete factory reset today. It didn’t fix the problem. The only way for me to unlock it is to slide the keyboard out and have the pattern screen turn sideways. It then allows me to input the pattern. I took a photo of what is happening and attached it to this post. It shows that my finger has slid from the top center button, through the center button and over the bottom button. You can see the green line there, but the button itself doesn’t register it. I have also recalibrated the touchscreen after the factory reset. I’m out of ideas. There was no obvious cause of damage or anything (like dropping it). Any help would be greatly appreciated.

Related

8125 stuck on 3 color boot screen

It says only ipl 2.25.0001 and spl 2.25.0001
I try a hard reset, but when it asks me to confirm by pressing SEND, I press SEND and nothing happens.. press any key and nothing happens, just sits there saying press SEND to confirm...
I tried flashing Cingular/AT&T's rom on to it, it was successful on the screen, but after rebooting, just went back into the 3 color screen...
Does anyone have any suggestions?
Additional info
I just wanted to add, I have searched threads here on xda-dev and other sites, and have found similar issues - normally the other issues have been resolved in one way or another involving a hard reset, which my phone will not complete. When it asks me to press send, the phone freezes at that point and does not accept any key entries (except reset). I would really appreciate any input. I also have a theory-that I may attempt this evening-If you hold the camera button down and reset, it brings up the boot loader screen (if my information is correct)... could my problem be caused by a faulty camera button? Maybe internally the button is remaining closed, which could prevent it from doing anything on a reset outside of the boot screen? Any engineers around that may know this? I am going to attempt (hopefully with low heat) to remove the button this evening... possibly even repair or replace it if the phone works with the button removed...(these thoughts are based on my phone being dropped in the sand at the beach...maybe a grain of sand worked it's way into the camera's button housing and is holding the contact closed)
problem's almost fixed
well thanks for no advice... i desoldered and removed the camera button (button 3). powered it on and the phone works. I reprogrammed the camera to button 5. (i also loaded a new WM6 rom and some other stuff) The last time I opened up the phone, I broke the itsy bitsy super micro tiny lock on the keyboard ribbon cable socket... so now my slide out keyboard doesn't work. I installed a full screen keyboard and set it to the messaging button (button 1) - the messaging button still brings up messaging with just a touch, but a long hold brings up a full screen touch keyboard that works fantastically!!! I am going to dismantle the very tiny micro switch and repair it, then resolder it back on the mainboard to make my camera work like it should again...and find a way to get the keyboard ribbon cable to lock into the socket...then my phone will be as good as new!
umm... thanks???
well congratulations on getting it working again.
tiny switch
I have taken the tiny little switch apart without breaking anything... one tiny grain of sand stuck under the button pressing on the switch plate... now i have to find a way to put the little switch back together... then attempt to solder it back onto the board without over heating nearby components. I have been playing around with Byka's cube... took a bit of tweaking to get it to work well.... not sure if I want to keep it or not... I have been trying to find htc cube, but no luck outside of a rom... which I may consider...but I just spent the past week reinstalling all of the software I use... Would like to just design my own windows for my phone if I had the time... Been working on an ion motor for an electric car...
I would like to thank everyone here at xda-dev. for all the information. Could not have learned so much, so quickly, if it weren't for this site.
oh... and I am using an 8125 (G4) with Faria Crossbow
Have the same problem...
Hi!
I have the same problem (but I don't have much tech know how).
It all started when phone got wet (inc. in battery compartment).
My phone would not soft reset beyond the Bootloader, unless I leave the battery out for a few hours. Then once it loads up, after a short amount of usage 2 things happen: 1) every time I would turn it on (or get a call) it starts in Camera (you didn't report it but you must have had the same experience). 2) the buttons don't work properly.
It finally dawned on me the camera button might be stuck, I set the button to "none", and no more more automatic camera. I still need to free the button altogether as still causing button freezeup and also allow soft resets.
I don't know much about soldering.
Any ideas?
Thanks

[Q] My screen in unresponsive

Dear all,
My Xperia phone is really nice and I have been using it for quite a while. However, something happened to my phone about 3 weeks ago. The right side and bottom of my screen has become totally unresponsive and since then, I really had trouble typing letters like 'p', 'l' and 'm', and also pressing space bar and enter. The bottom of my screen is occassionally okay, and I will sometimes be able to type space bar, comma and fullstop as per normal, but it is only sometimes. I have been putting up with it by tilting my phone whenever I type, but recently, I accidentally set a screen lock(password) and since the 'Done' button was at the bottom right of my phone, I am totally unable to press it at all. I tried tilting it, but it seem that the screen would not orientate at all, not before unlocking it. I used the Xperia phone companion on computer to factory reset my phone. Just as I thought that the problem was over, Xperia guide comes up and prevents me from using my phone. Since the 'next' button is located at the bottom right of my screen again, I am unable to press it at all. I tried tilting but it does not work at all and it seems impossible for me to use my phone now. Can someone please help me? Thanks in advance.
Its probably a hardware problem you must change the touchscreen by yourself or bring it so service center
Sent from my MT15i using xda app-developers app

[Q] N9006 Note 3 problem touch-solve for time, return problem

Dear friends, see this, see in the youtube:
watch?v=ixWozCI8sek
I activated the phone in their own settings of android to show screen touches and strokes that you can see in the video above, and installed YAMTT app to better show the problem.
The Problem on mobile touch in the middle of the screen there is a track that is not recognized touch, but if I press the screen sinking, she returns to work temporarily, and now recognizes the touch - but after a few minutes the problem back and touch is not recognized again.
The screen is perhaps dished up, and when I press down her back to be in contact with the part of the cell that recognizes the touch, but with time the screen should be getting back dished up (this is my guess, not i'm sure).
Detail, not always when I press is running, sometimes I press the screen to the center of the touch again be recognized, but it seems that the phone is registering touches alone.
What would be a solution, and change the screen (it does not mean that changing the screen the problem solved), want to try other alternatives before changing the screen.
Perhaps heating up the screen with hot air, in theory it will expand and become more pliable, and then if I press down the center panel of the phone with something for a while until it cools, in theory the screen would remain indefinitely, and if that is the problem could solve -
Anyone have any thoughts, has been there?
Thanks in advanced!

Fingerprint sensor/ Lockscreen

Hello,
Long time lurker here and was hoping for some advice/ suggestions.
I have a Canadian S9 Plus (on Bell Mobility) and noticed the following issues/ annoyances:
1) When the phone is woken up (e.g. pressing the virtual home button, plugged into charger, new text message received, etc.), the screen would turn on, continuously look for fingerprints ("Wipe the fingerprint sensor and try again" message would keep flashing) and would not shut off until I press the power button to turn off the screen
2) The fingerprint sensor generally works (e.g. unlocks the phone, swipes to drop down notification window), HOWEVER it does not work to unlock the phone if the phone has been sleeping for more than a few minutes (nothing happens no matter which direction I swipe/ press the fingerprint sensor). When I try to unlock the phone, I will have to press the power button to wake up the phone then swipe the fingerprint sensor. This may be a standard feature, but after pressing the power button to wake up the screen I will always get a message that says "The fingerprint sensor may be dirty. Clean it and try again.". Again the fingerprint sensor otherwise works so cleanliness of the sensor isn't really an issue here.
Has this happened to anyone's phone? I tried clearing cache/ resetting app preferences/ factory resetting the phone multiple times but with no luck. I also called Samsung but the conversation didn't go anywhere.
Any other suggestions? Thanks in advance for your help!
Have not had that issue with mine.
Do you have the finger sensor gesture on?
chickenbb said:
Do you have the finger sensor gesture on?
Click to expand...
Click to collapse
Tried both finger gesture on and off - no difference with the same issues persisting :crying:
this is the exact issue im facing when i got my s9+, i also thought that it was a factory defect. but luckily recently it didnt came up again and i did nothing. but still continuing monitoring the issue as it is really so bothersome.
Sounds like a defect to me. I'd exchange it.
I have not had any issues. Have you tried re-scanning your fingers? I noticed that this finger print scanner is different from the one on my LG V20. It feels different, and seems to operate different. It's also a little smaller which makes me have to position my fingers different.
I also read the instructions wrong.. I was supposed to swipe my finger during the setup. I was pressing it down. Either way mine works great.
Same issue here, did you manage to solve it?
Mario_Nissan said:
Same issue here, did you manage to solve it?
Click to expand...
Click to collapse
Not at all - I ended up returning it. Any luck on your end?
Maybe try registering your finger/s with and without a case on. See what happens.
Same issue here. This is the one thing that really bugs me about this phone.

Unlock Screen touch problem

Hello everyone,
I have a weird behavior when I have to enter my pin code to unlock my Mate 20 Pro. I have to press my finger for a long time for 2-5-8-0 numbers. For other figures no problem, they respond instantly.
To reproduce the problem, simply crack the unlock with the fingerprint and have the numeric keypad to type the unlock code.
I also notice that if I launch the camera from the lock screen, the trigger of photos galley a little, I have to leave my finger pressed a certain moment. On the other hand no problem when the phone is unlocked and I run the camera.
It's also complicated to pick up and slide to the right or left when I get a call on the screen locked.
*
Did some of you have the problem?
Thanks for your feedback.
Never experienced this... Try booting to safe mode and see if the problem persist.

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