General :: Dapeng A75 - Screen Calibration
Feb 17, 2014
I bricked my phone 1 year ago. I tried today to reflash it,and guess what? it worked,but there is a huge problem:
As you see in the pictures,the screen is almost destroyed,I think the ratio and/or the resolution is wrong.
The rom is the stock one,but with recovery installed. The touch is also screwed.
1: How can I restore the original ratio?
2: Tried to reflash it,no success: the vcom connected,then after 1 second disconnected. What is the problem?I was working about 30 minutes ago(before the first reflash)
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Aug 7, 2012
Preferably being able to load color profiles like sRGB or Adobe RGB directly. I'm not reffering to simple RGB settings or Gamma tweaking.
The reason I'm asking is that I work in 16 bit float mostly and got a perfectly calibrated IPS NEC nicely working with a 12bit LUT and also 2 calibrated TN panel screens.
The final image goes to 8bit PNGs and JPGs with sRGB embedded. Now the difference between the final outcome on the IPS screen and the TN ones and the one displayed on 4 different android mobile phones I got available for testing is extremely big. So big, that just everything is off. I thought that embedding color profiles might cause this but using other common profiles or none at all still were extremely off.
I'd like to point out that the image is not necessarily bad, it's just wrong knowing how the end result looks on perfectly calibrated monitors at home or at work.
I'm just surprised that there is close to no information available on how to properly view imagery with embedded profiles considering that the internet is full of fancy mobile phone screen tests and benchmarks nitpicking every single micro millimeter on a screen light years away from normal use conditions. (At least they don't take into account that probably 60-80% of the images average users view on their mobiles are crappily compressed Facebook .jpgs and the rest photographs shot on mobile cameras..but that's not what the thread is about.)
Is there really no way to counter factory presets? It's like with TVs on factory or even worse shop presets with shiny oversaturated colors and crushed contrasts, but on TVs you got the chance to turn the crap off at last.
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Sep 9, 2009
As far as I understand, Android and the Galaxy touch screen is not meant to be calibrated; at least, there does not seem to be a user interface for doing so (this is also true of the tilt and compass sensors, and yet various apps include their own calibration methods.)
The trouble is that I frequently --perhaps 40% of the time-- hit the key to the right of the one I meant to type. That is, I get an "M" instead of an "N", a "Z" when I intended to shift into uppercase, and so on. One might argue that I just need to get used to this teensy keyboard, but I might argue that a good user interface should get used to me. Is there anything that can be done?
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Oct 21, 2010
Is there such a thing for the HTC desire? also, is there a app that lets you see how many multi touch points the htc desire has? i saw some youtube vids where that have this app and they put as many fingers as they can on the screen and scribble around.
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Jun 20, 2010
On threads about the lag issue it was recomended to do a g-sensor calibration. Before I did one I had no noticible lag but the posters said this would increase responce. So I did a g-sensor calibration and now I have a noticible lag while scrolling. Any thought on this and what could be happening. The fact that the response changed gives me hope it could be corrected through settings or software updates. But just maybe it is a bad idea to follow all advice one sees on here.
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Nov 20, 2010
Stupid question probably, but I've lost my G-Sensor Calibrator. I am currently running Vanilla Tazz Android Version 2.2.1 on a Droid Eris. I'm new to this all and I'd like some guidance.
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Jul 10, 2010
I don't think this was always the case but my HTC desire won't switch to both horizontals, only one. I have done a reboot and a calibration, the calibration looked fine too.
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Jun 30, 2010
Since I know about the known issue of Hero G-sensor not able to save the calibration. I waited till I get the 2.1 hoping this will fix the issue. Right now. Nor does it not fix the issue I cant find the option anymore Bubble calibrates and remebers okay. But those apps like google sky or teeter arent affected by that Some apps have their own calibrations like bubble - works well or papi jump. But abduction with its own calibration wont work. Suspecting that google sky map and others wont work either. Anyone happy with 2.1 (+ more issues in this forum) like me? And anyone know where i could find the setting in 2.1? Am either blind or its not there. The advice with the tapping and turning and tapping etc did it work for anyone?
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Jul 1, 2010
I may be missing something here, but I can't see a way of calibrating the Swype keyboard for when you need to tap individual keys instead of swyping as usual. On my Desire the keyboard is well out of alignment. Can anyone help? Swyping itself works a dream
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May 26, 2010
Is there a calibration period for battery meters?
I've been using BatteryTime Lite with my stock Incredible battery. With the battery fully charged, it typically states I have 373 hours of "idle" time and 3 hours 12 minutes of talk time.
Last night I installed the Seidio 1750 and let it charge with the phone off for 12 hours.
This morning the app said I had 373 hours of "idle" time and 3 hours 12 minutes of talk time on a full charge.
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Apr 30, 2010
I think my optical track pad is not calibrated. Sometimes (often) when I unlock my phone, the screens start automatically shifting to the right. If I manage to open an app, the selection keeps going to the right. For example, if I am in a text message and am trying to move the cursor to a previous work to correct spelling, the cursor keeps moving the right and down on its own. Is there a way to calibrate the optical trackpad? Anyone else having this issue?
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Nov 16, 2009
I'm just wondering if this is normal: I can go into an app like Google Maps and drop down into street view with the compass view enabled. I'll see that the view will really only point one way and jerk around that one direction as I move it around. I'll then calibrate the compass using the figure 8 method and then street view will work properly. If I then exit back to the home screen and load up say LAYER I'll have the same problem. The compass will point in one direction and jerk around it until it's recalibrate again. It's more of an annoyance really as I basically have to recalibrate it every time I open up an app that uses it. Just wondering if others are having this issue. I've talked to a few i phone friends and other than the occasional recalibration they don't seem to have this issue.
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Jun 9, 2009
Reading the sensor API (http://developer.android.com/reference/android/ hardware/SensorManager.html) The section about ACCURACY speak about calibration:
"calibration with the environment is needed"
How do it calibrate?! Is this software calibration? Phone specific calibration??
I don't see any methods to calibrate.
Using the HTC Magic the compass often give me crazy values like if I was on the magnetic pole. I feel pretty scared and hide under a tinfoil hat just in case...
So any url, doc or explanation!
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Jul 21, 2010
Has anyone else noticed how poorly aligned the camera shots are when using Google Goggles? When I click that button to take a picture it's NEVER lined up like it was before. It's even more obvious if I use the crop feature.I can point at a logo and crop it perfectly and hold the phone absolutely still and press the button. When it shows the processing screen it looks like the camera shot is a couple inches below where it showed on the previous camera screen.
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May 8, 2010
So for some dumb reason I wanted to calibrate my G senser,
no big deal right?
now nothing is going into landscape mode.
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Aug 16, 2010
If I do a factory rest will my internal battery calibration be reset? I'm asking because I have a seidio 3500mah battery and it won't fully charge in the phone. I'm wondering if starting fresh(factory reset) and a fully charged battery will re calibrate the charging settings to this battery. Will this work?
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Nov 1, 2009
I have been searching everywhere (except the right place maybe ) for some notes on the proper method of CALIBRATING the Hero compass. I have found much commentary about the compass, but no specific talk about how to actually calibrate it. I am trying to use the GPS Status application (recently updated), and it keeps giving me "Compass out of calibration - see FAQs" message. I have looked at every FAQ I can find and searched the forums and no joy. Could anyone please point me where I can find some instructions about calibrating the compass?
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Jun 1, 2010
Is there a way to recalibrate the proximity sensor on our phones? mine isnt acting quite like it used to.
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Dec 21, 2009
First let me say I am running Fresh Rom 1.0......I went to calibrate my keyboard as I have before and now all it does is force close. Not sure if Fresh has anything to do with it as I restored to Sprint RUU with update but still force closed.
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Apr 29, 2014
i have tried to install kitkat version for galaxy y duos s6102,for that i installed clockwork mod n cynogenmod n kitkat file..but after installing the screen goes blank,nothing appears except Samsung logo screen,
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Oct 4, 2013
A Tasker task that when I'm on the lockscreen, I can tap or double tap to turn the screen off. I've looked in the Tasker tasks and I'm unable to find anything for this. I already use the Nova gesture+ScreenOff app to turn the screen off when I'm unlocked and at the homescreen, which works perfectly. The only thing Nova can't do it turn the screen off from the lockscreen.
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Oct 14, 2013
I need to get data off my phone and I am trying to figure out ways to do it short of replacing the screen on it.
It is stock and has a PIN lock screen. When I try hooking it up through Kies it says I need to unlock my phone and apparently whatever steps I need to do I cannot.
I was wondering if I buy an MHL hdmi adapter if it would start mirroring as soon as I plugged it in or if I would need to enable mirroring somewhere in a menu stuck behind the lock screen which I cannot get to?
if the MHL adapter starts working immediately when plugged in (mirrors lock screen) or how to get my data off?
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Mar 31, 2010
I am designing a home screen widget. I ran this widget on a HTC Hero device, which has a screen of 320 pixels * 480 pixels with mdpi. It ran perfect on HTC Hero. The widget takes 3 cells * 2 cells space, i.e. 240 pixels * 200 pixels.Then I ran this widget on a Nexus One device, which has a screen of 480 pixels * 800 pixels, mdpi. Since Nexus One also is mdpi, so I though 240dip is equivalent to 240 pixels on Nexus One and 200dip is equivalent to 200 pixels on Nexus One, so the widget will not take 3 cells * 2 cells space on Nexus One device. To my surprise, when running on Nexus One device, the widget take exact 3 cells * 2 cells, about 360 pixels * 300 pixels, on Nexus One device.I am confused. The layout xml above specifies 240dip in width and 200dip in height for the widget, but why did it take 360 pixels * 300 pixels on Nexus One Device? What am I missing?
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Jun 26, 2012
I am going to be testing my company's software on the x2. Is there a way to take screen pictures on this phone? Besides take a picture with another phone and e-mailing it to me.
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Apr 29, 2014
so my HTC One X's touch screen is totally unresponsive. Everything else is working fine and I'm still getting messages and notifications (and my alarms are going off), but I can't get to any of it. I've backed it up and tried to do a hard reset, but holding down the volume down + power button is just taking a screenshot and then restarting. I can't do it through settings as the touch screen is not working.
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Dec 30, 2012
My Virgin Mobile HTC EVO 3D on ICS is having touch screen issues...but only in games. In games such as Minecraft: PE, Modern Combat 4, Modern Combat 3, COD:BOZ, N64oid, and similar games which use an on-screen joystick, it isn't working. I can place my finger on the joystick (or where it's supposed to be) and try and touch and drag, but it either doesn't respond or responds for half a second then acts as if my thumb isn't even there. It's really driving me insane. I'm not able to play any of these expensive apps anymore. My old EVO 3D recently killed itself due to an unknown issue, so VM sent me the phone I have now literally the day after Christmas. I had this same issue with my last EVO 3D. It's gotten to the point where I'm considering purchasing a PowerA MOGA controller, just so I can play these apps.
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Sep 23, 2012
So when I look at battery function under settings, it lists my screen as using 64% of battery. is there anyway to get this down?
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Feb 8, 2012
I am running CM7.2 on Samsung Galaxy Ace and i am looking for a way to get the ics on screen buttons.
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May 28, 2013
I am using the camera app that came along the phone its good. But If i am using other photo apps like picsart or*instagram the *screen looks dark and cant see anything through the camera. It looks dark.And also other apps like*qr code and Google goggles they also *looks dark through camera. Its running jellybean 4.1.2 out of box.
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Nov 14, 2013
how to organise apps icons in app screen. I can organise the home screens easily but when I try to hold down an icon in app screen to move it within app screen, it simply takes the icon to homepage as a shortcut.
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