Camera flash - EVO 4G Q&A, Help & Troubleshooting

So I just got the ota 2.3 about an hour ago. So I'm playing with everything on my phone, I noticed one thing, the camera flash is off, not that it doesn't flash, its not timed right.
I took a night shot and its dark as hell, I have to go in and adjust before I take a picture.
Camera use to take some great night shots.
If anyone noticed and has a fix let me know.
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[Q] Camera freezes @ night

Hi..
I'll make it short.
Problem:
Taking pictures with daylight = no problem.
Taking pictures with daylight & flash = no problem.
Taking pictures at night with flash = phone freezes sometimes.
When the DHD flashes and takes a picture at night it happened too often that my device hang up. The screen went black and I have to take out the battery to reboot it. Besides no picture is taken.. That's quite annoying..
Happened with last official T-Mobile ROM (Germany)..
Happened with last Revolution 3.0 ROM..
With the build in Camera App & Camera Fun this happenes to my phone.
___________________________________________________________
Do u think it is worth to try a Gingerbread release or do u have any other solutions?
With AutoFocus, Auto Flash, Auto White Ballance and so on in Camera 360 it does not happen.. so far..
Htc knows this problem. The strange things is that not all HD devices got this problem. Have tot tried 2 make a picture at night with flash and a full battery ? Htc told that it is a issue with the auto focus and flash at night. Maybe with a good health battery the phone not freezes...
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Thank u for your quick answer! Do you know if there is any solution besides a full battery? Because I don't have a full battery all the time especially at night^^
Was any DHD successfully "healed" ? If not I think I should go and get a new device as THIS would be a warranty issue..
[edit] didn't realize Camera 360 Ultimate does not have this failure.. seems to work fine tonight.

Polarized camera?

In running cm7 newest update and my rear camera looks like its polarized is anyone else having this issue or is this more likely a hardware problem
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sickbeats187 said:
In running cm7 newest update and my rear camera looks like its polarized is anyone else having this issue or is this more likely a hardware problem
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Click to collapse
Try to clear the cache on it the camera app from the menu if that doesn't work push on your camera lens if it fixes it then its hardware .
Well if it happened after you just did an update, its likely that update is the problem. Flash a nandroid from the previous version you were running and see if it's still there.
Try physically pushing the camera in with moderate pressure and see if that helps. Sometimed they come slightly unseated.
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The glass on the camera does not have a polarizing filter on it, if that's what you're asking. If it's taking pictures as if it was going through a polarizer then you've got some real weirdness going on with your camera.
Edit: No idea if it's a software or hardware issue, could be either one or both honestly. Can you show some examples of what it's doing?
Well when I entered my cam app the camera looks like I turned the polarize skin on but the ffc is perfectly fine. I've rebooted three times and its still doing it. I haven't flashed anything in about a week it just randomly started doing this... if one more reboot doesn't work I'm gonna try leaving the battery out for an hour or two hopefully that fixes it. I wiped the cam cache and restored default settings. I also tried pressing the cam slightly and that's not the issue. As far as being dislodged or loose that's not the issue. I think its either something inside the cam or just a weird bug in the app itself. Thanks for the tips ill check back in an hour or two with a status update.
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sickbeats187 said:
Well when I entered my cam app the camera looks like I turned the polarize skin on but the ffc is perfectly fine. I've rebooted three times and its still doing it. I haven't flashed anything in about a week it just randomly started doing this... if one more reboot doesn't work I'm gonna try leaving the battery out for an hour or two hopefully that fixes it. I wiped the cam cache and restored default settings. I also tried pressing the cam slightly and that's not the issue. As far as being dislodged or loose that's not the issue. I think its either something inside the cam or just a weird bug in the app itself. Thanks for the tips ill check back in an hour or two with a status update.
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Click to collapse
Again, rebooting will NOT fix this issue. You need to re-flash a nandroid from before you updated. Or, better yet, flash a stock rom and see if it works in there. Constantly rebooting will not fix this issue, as its either a problem with the cam software, or the hardware. You can easily rule out software by flashing a stock rom.
@sitlet
I didn't flash an update ... plus anyway good news! I left the phone off with battery removed for about 8 hours and now my camera works perfect again! Don't really know what caused it to happen just glad its done with! And hope it doesn't happen again! (Knocks on wood)
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i know what your talking about its happened to me before happened to me due to a strong magnet being close to the lens(worked at walmart and Electronics keys have strong magnets) basically before i took the picture it seemed like i had the polarized filter on but it really wasnt had to take the phone in for repair
@djnarcotics
Exactly! However it keeps coming back so I'm taking my phone to sprint on Friday my deposit plus insurance should be able to replace my phone wouldn't mind a new evo or evo shift
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I need help finding a good stock rom that is able to flash, any suggestions?
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i just had the same polarizing prob with my htc evo. i gave the lens an easy push and the polarizing function went away. thanks.
sickbeats187 said:
Well when I entered my cam app the camera looks like I turned the polarize skin on but the ffc is perfectly fine. I've rebooted three times and its still doing it. I haven't flashed anything in about a week it just randomly started doing this... if one more reboot doesn't work I'm gonna try leaving the battery out for an hour or two hopefully that fixes it. I wiped the cam cache and restored default settings. I also tried pressing the cam slightly and that's not the issue. As far as being dislodged or loose that's not the issue. I think its either something inside the cam or just a weird bug in the app itself. Thanks for the tips ill check back in an hour or two with a status update.
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
I was having the same issue, I had to press on it kinda hard and it clicked a little bit then it started working. I was having the exact same issue pushing on it worked. I was just nervous about pushing on it too hard , I didn't want to break it.
:good:

[Q] Snapchat acting funny.

So a friend of mine told me to get SnapChat so we could find something fun to do when we're bored. Well I don't know why, but the camera just stays still, I went back to stock and it works without any problems, on roms with at least ICS or higher, the camera preview works for a second, then freezes, it works for another second when I click the screen to focus the image, but then it freezes again, I can also take the pictures, but I don't know what I'm taking until it shows me the picture that was took. The app works and does as described, but the preview is just halting. The normal camera works just fine. At first it was MIUI Australia, I'm on PACman right now with the latest JB kernel.
Same thing with me. But front is fine
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Taking up close pictures

Whenever I try to take close up pictures of anything it doesn't focus correctly and always come out blurry, does anybody know how to fix this problem or have a alternative? Thanks
I personally never had a problem focusing on close up pictures unless it's in low light without using the flash. Hm.. Try zooming in a little bit at a time, at the same time pull back the phone slowly.
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[Q] Lines through photos! Defective phone?

My girlfriend's Samsung Galaxy S III has been producing photos with random lines through the saved photos constantly. It originally did this most noticibly when the battery was critically low but now it does it all the time. I then thought it might be an issue with CM10, but I just updated it (clean) to 10.2 stable release and it still does it.
Curiously, some other third party camera apps don't do this, but actually right now I just checked and it is happening in all apps. The live preview from all cameras looks fine. It's the SAVED photos that are screwed up. I tried setting the camera app to Internal vs. SD Card to make sure it wasn't a bad SD card but that didn't change anything. Turns out it happens EVERY time with the flash on but sometimes with the flash off.
My mom has my old GSIII and hers does THE SAME THING on very low battery, but not as much as this phone. She is also on CM10.2. I didn't notice it while I used it for 8 months.
Finally, another friend of mine also has a Sprint Galaxy S III and his is not even rooted and still on stock ROM. His does it with full or dead battery and almost all the time too.
Is this a known problem or what? Should I just revert to stock and get it replaced? I will probably nandroid and switch to stock to see if it does it there.
Here's some links to problem files:
https://www.dropbox.com/s/nnwf1vj4n6lxcmz/2013-12-07 19.15.45.jpg
https://www.dropbox.com/s/ijextx2gg560g5a/2013-12-07 19.15.40.jpg
https://www.dropbox.com/s/yawo68sbxxv8rsw/2013-12-07 19.15.37.jpg
https://www.dropbox.com/s/ymtgjc2g7o0mk3s/2013-12-07 19.15.29.jpg
No one else has ever seen this? I flashed back to stock and it seems to do it LESS but picture quality is still iffy. Any idea why CM10 would do this but stock wouldn't?
Its a cm issue. Happens in low light photos. Has green lines and stuff in the photo correct?
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Strange. Is there more info about it anywhere? Like I said a friend of mine has unrooted stock and it does it. And it seems to only do it when flash fires. I figured out if I use touch and then snap the photo works fine. It also does it more or worse on low battery. Battery is not bad.
Notorious said:
Its a cm issue. Happens in low light photos. Has green lines and stuff in the photo correct?
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Click to expand...
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muzicman82 said:
Strange. Is there more info about it anywhere? Like I said a friend of mine has unrooted stock and it does it. And it seems to only do it when flash fires. I figured out if I use touch and then snap the photo works fine. It also does it more or worse on low battery. Battery is not bad.
Click to expand...
Click to collapse
I haven't paid attention to the battery level when I notice this issue but I have noticed that it doesn't happen on the Touchwiz Camera app. It does happen with Focal (recreated last night) and the stock AOSP app (when I was on CM10/11). I am currently on MOAR 7.0.1 and noticed it on Focal last night. I believe the battery was close to dead and charging. I wonder if its the way the app accesses the flash.
crzysheeit said:
I haven't paid attention to the battery level when I notice this issue but I have noticed that it doesn't happen on the Touchwiz Camera app. It does happen with Focal (recreated last night) and the stock AOSP app (when I was on CM10/11). I am currently on MOAR 7.0.1 and noticed it on Focal last night. I believe the battery was close to dead and charging. I wonder if its the way the app accesses the flash.
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Click to collapse
Battery got down to about 39% when I last tested. Saw some faint streaking using Focal. None using stock camera.
Strange guys. It does it less on CM11 with Camera Zoom FX than stock. Always on stock with flash on. At least with Camera Zoom FX, you can put flash on torch mode and it works fine. This isn't so bad since it helps focus better and faster anyway. Blinding though.
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