Black screen during call? - Epic 4G Q&A, Help & Troubleshooting

So my wife's epic is on EL30 (no FC09 yet, I've checked) and almost every time someone calls her and she answers, the screen goes black and will not turn on to be able to press anything. Also she cannot hear anything the person is saying on the phone but they can hear her. The screen comes back on when the person hangs up on the other end. Any suggestions?
Sent from my SPH-D700 using xda premium

It may be a stupid question but is the phone to her ear when it won't turn on? Cuz its not supposed to... also if she is using the 100 mhz frequency try disabling that frequency and using 200 as the min.
Sent from my SPH-D700 using Tapatalk 2

Reflash a stock Rom thru odin.
Sent from my SAMSUNG-SGH-I717 using XDA

She is actually 100% stock I haven't messed with her phone as of yet. So it is a stock issue. And yes when she pulls the phone away from her ear the screen is still black. And she can't hear anything. Also, the only way she can talk to anyone on the phone at all is on speaker phone.
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wazzuup199 said:
She is actually 100% stock I haven't messed with her phone as of yet. So it is a stock issue. And yes when she pulls the phone away from her ear the screen is still black. And she can't hear anything. Also, the only way she can talk to anyone on the phone at all is on speaker phone.
Sent from my SPH-D700 using xda premium
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Id mess with her phone lol I did with my gfs epic.. she was scared it'd **** up.. but in the end all went well.. remember to read a lot before messing with it
Sent from my SPH-D700 using XDA

Flash something supermarket then......
Sent from my SAMSUNG-SGH-I717 using XDA

wazzuup199 said:
She is actually 100% stock I haven't messed with her phone as of yet. So it is a stock issue. And yes when she pulls the phone away from her ear the screen is still black. And she can't hear anything. Also, the only way she can talk to anyone on the phone at all is on speaker phone.
Sent from my SPH-D700 using xda premium
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If you have insurance bring it into sprint... sounds like maybe a malfunctioning proximity sensor... that doesn't really explain the sound issue though... again that also sounds hardware related (seens how your on stock rom). No insurance? Great videos on how to take this phone apart... take it apart and look for any loose ribbons or anything...
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bzmotoninja83 said:
Flash something supermarket then......
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Somebody's got a Phablet
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OK thanks guys I'll try odining her FC09 maybe and see if something like that works. Then I'll probably bring it into Sprint.
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Related

camera flash activating when shutting down

Hello,
Today when I restarted my phone, it got stuck on the "Goodbye" screen for longer than normal, then flashed the camera 3 times before shutting off. What is going on? Anyone have a similar issue? I am on stock, rooted.
Thanks
Happens to everyone, it is normal.
Sent from my SGH-T989 using XDA App
G1ForFun said:
Happens to everyone, it is normal.
Sent from my SGH-T989 using XDA App
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How is it normal..? It never happened until today, nor have I ever heard of it happening before..
G1ForFun said:
Happens to everyone, it is normal.
Sent from my SGH-T989 using XDA App
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never seen it.
saltmine said:
How is it normal..? It never happened until today, nor have I ever heard of it happening before..
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It may be an android thing. I remember my HD2 used to do this from time to time. I never found out why it does that though...
This happens to me quite often. Sometimes it just stay lit until the phone is completely off. It's just weird
Fyi tmo will replace your phone because of this.. I know I did it. This is not suppose to happen.
Sent from my SGH-T989 using xda premium
epicroot said:
Fyi tmo will replace your phone because of this.. I know I did it. This is not suppose to happen.
Sent from my SGH-T989 using xda premium
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Is it really worth it to replace my phone for this? It has only happened once over 5 months. How much did it happen to you? Does it signal something wrong with the phone if it has just happened once?
If it doesn't mean that something is wrong with my phone, I wouldn't really want to go through the hassle of a return :\
It happens to me and my brother randomly. Not a big deal
sent from my real Gs move in silence like lasagna
Think of it as Hercules waving goodbye.
epicroot said:
Fyi tmo will replace your phone because of this.. I know I did it. This is not suppose to happen.
Sent from my SGH-T989 using xda premium
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Do they replace with a brand new unopened box or a refurbished unit?
Lol really? ..jeez some of you complain about everything and anything.
LOVE the uninformed comments about how you should get your phone replaced if it does this or this is a sign of your t989 waving goodbye.
And then people wonder why the whole process of getting a replacement phone keeps getting worse.
Sent from my SGH-T989 using XDA App
G1ForFun said:
Lol really? ..jeez some of you complain about everything and anything.
LOVE the uninformed comments about how you should get your phone replaced if it does this or this is a sign of your t989 waving goodbye.
And then people wonder why the whole process of getting a replacement phone keeps getting worse.
Sent from my SGH-T989 using XDA App
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My comment about the phone waving goodbye was a joke.
G1ForFun said:
Lol really? ..jeez some of you complain about everything and anything.
LOVE the uninformed comments about how you should get your phone replaced if it does this or this is a sign of your t989 waving goodbye.
And then people wonder why the whole process of getting a replacement phone keeps getting worse.
Sent from my SGH-T989 using XDA App
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so what? does it bother you?
Anyone can replicate this. While your phone is on, hold power/Vol up/Vol down all at the same time for about 10 seconds. That forces a reboot and your camera will flash until you let go.
Sent from my SGH-T989 using xda premium
It is normal....that is why every phone can replicate it.
Sent from my SGH-T989 using XDA App
It sometimes happen to me randomly. No big deal.
This happened to me while I was rooted on 2.3.5 but I never had a chance to try after the update. I'd say it's normal for this phone. It only did it after root...
Sent from my Galaxy Nexus using xda premium
Well. .
My phone flashes once (quickly) when it shuts off with no battery. It doesn't happen to me anytime I shut it off or restart it.

Request Dev help broke power button

My phone was bought off Craigslist and I can't afford a new phone my hardware power button got conductive oil inside of it now whenever pressed it acts like. Held and hard restarts, I found an app called any unlock or something like that on the market my problem is when my phone sleeps it kills the process and I cant wake it is there a Dev who can help me make this program start in foreground I read about it but am clueless so I could really use help also if anyone knows where I can order the hardware button part that would be killer cause I could pay a shop to do the circuit soldering, I use this as my work phone and am worried I as I need to invest 500 into tools for work this month and can't afford repair, also my phone is on boost so there is no warranty, I can not take it to sprint, thank you
Sent from my SPH-D710 using xda premium
If you use CM9 you can set the volume buttons to wake the phone up. Could be a temporary fix for your problem.
Sent from my SPH-D710 using XDA
That sounds good but with it is now I'm not sure I can get it into download or recovery, I can't remember the buttons off the top of my head, but if I can that sounds like a good temp solution, thanks ... do you know if there is a one click Odin for that and if I can just flash it over stock rooted el29 also if its ice based apn settings are an issue for me I need to be able to change them to boost mobiles, I contacted a store that does button soldering and replacement so I may give that a shot on Friday
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Have you tried this app yet?
https://play.google.com/store/apps/details?id=net.maicas.android.wsleep
Sent from my Sprint Galaxy Nexus CDMA using xda premium
So far that is working, I think the screen off in the notification bar keeps the system from killing it, thanks
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Digglez said:
So far that is working, I think the screen off in the notification bar keeps the system from killing it, thanks
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Good deal. Hope you get it worked out!
Sent from my Sprint Galaxy Nexus CDMA using xda premium
Yep I found a place that will replace the button for me, I'm thinking about ordering a custom back since I gotta take it apart anyways
Sent from my SPH-D710 using xda premium

ICS and jellybean bluetooth wont turn on

Hi im hopeing someone can help me i have tried to update my epic g4 touch to ics i tried roms odin oneclicks no matter wat i do bluetooth will not turn on on ics or jellybean i tried on 6 different phones can someone help me out. It must be something im missing i seem to be the only one with this problem
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oakieville said:
Hi im hopeing someone can help me i have tried to update my epic g4 touch to ics i tried roms odin oneclicks no matter wat i do bluetooth will not turn on on ics or jellybean i tried on 6 different phones can someone help me out. It must be something im missing i seem to be the only one with this problem
Sent from my SPH-D710 using xda app-developers app
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No one have this issue I have tried afew more phones same thing no bluetooth it has to be something I'm doing but I even went back to totally stock and took ota still same thing
Sent from my SPH-D710 using XDA Premium App
Does it just not turn on at all? Sounds like your Bluetooth is not functional if it doesn't even work in stock ota
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Bannjio said:
Does it just not turn on at all? Sounds like your Bluetooth is not functional if it doesn't even work in stock ota
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Correct when I try turning it on it just goes right back off
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I would load stock and take it in to be checked out.
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Bannjio said:
I would load stock and take it in to be checked out.
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Take in all 9 of the phones I have tried ics on cause at this point I have tried it on 9 different phone same thing I don't have 3 of the phones I tried but I still have 6 of them
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If you have tried nine separate phones and none of them have Bluetooth working you have to be doing something wrong our have EXTREMELY bad luck
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dmonger11b said:
If you have tried nine separate phones and none of them have Bluetooth working you have to be doing something wrong our have EXTREMELY bad luck
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I doubt its bad luck nine dif phone I'm doing something wrong I'm sure but wat cause I even went back to completely stock no root or anything took the ota same thing no bluetooth
Edit: I should also add that I'm new to samsungs and odin/mobile odin etc. I've dealt mostly with htc
Edit: i got 2 more first one i update to ics ota no bluetooth 2nd one i got was already ics with working bluetooth i downgraded to el29 then did the same process as all the other phones but this one works????
Edit: ok so the one phone I got that was already on ics Bluetooth works but its white my personal phone is black I wanted to keep it black but have Bluetooth working so I swap motherboards but then Bluetooth didnt work once it was in the black housing nor did the white one anymore I restored them both to el29 then upgraded back to ics now Bluetooth works on the white phone again with the motherboard from my black phone but still dont work on my black phone even though the mother board in my black phone worked in the white housing, I then realized if I put the motherboard from any of the other phones ive tried in that white housing Bluetooth will work. Is it the antenna? If so y would i have so many with bad antennas plus they all work on gb
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Screen off during phone calls

I am having a problem that every time I make a phone call my screen shuts off. Its annoying because I can't get the screen back on unless the person I call answers and hangs up, or I pull my battery. Wondering if anyone else is experiencing this and if there is a fix? It used to only happen on aosp based Roms but now it doesn't seem to matter what the base is ljc, lk8, ma5 or aosp. I am currently running the latest paranoid android from slick rick with the latest twrp; I've yet to try an ma5 ROM, but it was happening on a stock lk8 ROM.
Any help is greatly appreciated
Thanks in advance
Most likely a faulty proximity sensor. Probably need a replacement, I did.
Sent from my SPH-L900 using xda app-developers app
RTC88 said:
Most likely a faulty proximity sensor. Probably need a replacement, I did.
Sent from my SPH-L900 using xda app-developers app
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what was the code to enter test mode? I cant remember.
I thought mine was faulty but turns out it is my defender case
Sent from my SPH-L900 using xda app-developers app
Sorry I can't remember. If the guy has a screen protector, I would try removing that first. The test should show all zeroes though.
Sent from my SPH-L900 using xda app-developers app
RTC88 said:
Most likely a faulty proximity sensor. Probably need a replacement, I did.
Sent from my SPH-L900 using xda app-developers app
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thank you, im gonna take it into a sprint store today if i can. I thought it might be something like that but was hoping it wasnt.
No screen protector either, or a case, just phone.

High pitch rattling during vibration. Normal?

Hey guys, I'm having an issue where when the phone vibrates, there is a high frequency rattle that comes with it. I am wondering if this is just the nature of the phone or theres something wrong with it. Care to share anybody?
Other than that, this phone is amazing!
Sent from my SGH-M919 using xda app-developers app
baolongn said:
Hey guys, I'm having an issue where when the phone vibrates, there is a high frequency rattle that comes with it. I am wondering if this is just the nature of the phone or theres something wrong with it. Care to share anybody?
Other than that, this phone is amazing!
Sent from my SGH-M919 using xda app-developers app
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I have the same problem, but whatever it's going in 6 month anyways
NICEGYPT said:
I have the same problem, but whatever it's going in 6 month anyways
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That's fortunate for you. I plan on keeping mine for awhile though.
I feel it might be on all devices. When I shake the device, I can hear, I think, the auto focus shaking. The rattling might be a product of the auto focus shaking with the phone which is okay with me. I just dont want it to be loose pieces bouncing around in my phone.
Sent from my SGH-M919 using xda app-developers app
This really bugs. I'm going to stop by a tmobile store tomorrow and check back
Sent from my SGH-M919 using xda app-developers app
baolongn said:
This really bugs. I'm going to stop by a tmobile store tomorrow and check back
Sent from my SGH-M919 using xda app-developers app
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Any word on the visit to T-Mobile? My phone vibration has seemed to majorly decrease in strength.
No issues with anything here. Loving this phone! Best phone ever!
Sent from my SGH-M919 using Tapatalk 2

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