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Captivate Unusual Problem. Please HELP :(

Dear users,
So 2 months ago I returned to Europe from USA. I bought an AT&T Captivate over there and since it could not be used over here, I unlocked it. But after unlocking the phone I noticed an very frustrating problem :
When someone calls me there are absolutely no problems no mater how many times they call.
When I call someone the first time everything is also ok.
But when I try to call someone after I already called once, there is no sound. I can't hear absolutely nothing and neither can the person that is beeing called. Not a sound, not even the "beep...beep" sound (sorry, i don't know how it's called in English) when you are making a phone call.
So basicly I have to restart my phone after every time I call someone to be able to make a call and actualy speak to them, and then restart again.
I hope I described clearly what the problem is. Is there some way I can fix this because it is extreamly frustrating ?
P.S. i'm using Froyo OS.

The Froyo build is Beta - so it could be your problem. Also, the Captivate is still an AT&T phone, so even though it is unlocked, it may not like the network you are using.
You could try the following:
1. Different SIM - different provider
2. Roll back to 2.1

[Q] My Galaxy S auto-rejects all incoming calls

Hi there folks. I got a Bell Samsung Galaxy i9000M about a month ago or so. Initially, I was very disappointed that Android 2.2 wasn't available. After some digging through these forums, I discovered Doc's Froyo ROM thread and read that some people on Bell had used this successfully. I followed the instructions from his thread (am currently uisng Doc's Froyo v7.6.2 JPO, and my phone is rooted as well). Ever since I changed firmware to Doc's v7.6.2 Froyo versus the original Bell UGJH2 (i believe that's what it was called) Android 2.1, my phone auto rejects all incoming calls.
What happens is that any time someone calls my phone by calling my phone #, my phone rings once, then the call is rejected (the phone I call from says it got rejected), and on my Galaxy S, I lose network signal completely (3G/phone signal) for a few seconds when this happens.
Is this a known issue with the ROM I am using.. do I have some sort of option turned on that I shouldn't? I need some help here. Is this something my phone carrier (Bell) is doing cause I hacked the phone?
To clarify, I am perfectly able to make outgoing calls to phone numbers, and I am able to browse internet with 3G/HSPA just fine using Bell's network. Before I did the upgrade to this Froyo ROM, I was not experiencing this issue. I hope someone here can point me in the right direction, I really need to get this fixed because right now, no one can call me.

Really, no replies? There's no one else that has had this issue? I want to flash my phone to the new-er Froyo JPK3 that's supposed to be for Bell.. anyone have a clue whether that should fix it? What about just doing a factory reset?

i have the same problem, different carrier though, german o2
i think it might be cuz of a wrong CSC
i reflash now and report back

My initial guess was that my ROM is not suited for my phone/carrier.. but since I was able to make outgoing calls, use 3G and send/receive texts, I dismissed that idea. Especially since there were other people using Doc's v7.6.2 on Bell with supposedly success results.
So what I did was I went into Clockwork Recovery Mode, and did a factory reset. Now my phone works fine. Beats me what the problem was. Must've been some app I installed I guess.

i had the same problem. i did what you did. factory reset. then used titanium backup to restore all my apps and system settings. thank God for titanium backup lol.

I happens to me too from the 1st time i flash my phone to froyo.. u need to reinstall the correct csc. After a clean flash insert your sim card then dial *#272*IMEI No.# then choose the right csc of your phone. It will make a factory reset after the installation of new csc.

[Q] Cannot hear or talk during a call

Hey guys,
so recently I rooted my 2-week old Incredible S, and I installed Cyanogen on the phone. Everything works flawlessly, except for the fact I can't hear or talk when I or someone else makes a call, it's just awkardly quiet.
I can make the call though, but the clock keeps on ticking without me hearing something. All sound is on maximum and speaker-mode doesn't help either. Nor do I block the microphone or anything like that.
I tried everything like removing battery, SIM-card but even a factory reset didn't work. When I call with Skype it does work, I can talk and hear. Other applications that use sound or voice also work.
Does anybody have any advice?

Aester said:
Hey guys,
so recently I rooted my 2-week old Incredible S, and I installed Cyanogen on the phone. Everything works flawlessly, except for the fact I can't hear or talk when I or someone else makes a call, it's just awkardly quiet.
I can make the call though, but the clock keeps on ticking without me hearing something. All sound is on maximum and speaker-mode doesn't help either. Nor do I block the microphone or anything like that.
I tried everything like removing battery, SIM-card but even a factory reset didn't work. When I call with Skype it does work, I can talk and hear. Other applications that use sound or voice also work.
Does anybody have any advice?
Click to expand...
Click to collapse
Since CM7.1 is a Gingerbread ROM, you now need to flash a Gingerbread radio, too.

So that's it? Oh god, I'm relieved! I already spent hours and hours on the internet searching for some bug or faulty app.
Thanks for the fast reply!

Hm, so I finished installing a new Gingerbread radio on the phone by using some of the links on this page. Now I can't connect to any service or mobile provider.
Am I doing something wrong again? I already tried almost all of those gingerbread radio's.
EDIT: It seems like the problem fixed itself. All that was needed was a simple reboot, and now my connection is way better than before.
I'm glad it's finally working now!

Aester said:
Hm, so I finished installing a new Gingerbread radio on the phone by using some of the links on this page. Now I can't connect to any service or mobile provider.
Am I doing something wrong again? I already tried almost all of those gingerbread radio's.
Click to expand...
Click to collapse
When you first set up CM 7, which service provider did you pick? Have you tried running the CM 7 setup again or do a system reset to force CM 7 to go through the setup again?
Is this a branded IncS and if so, which carrier?

[Q] In-call sound only through bluetooth

I can only make phonecalls through my bluetooth headset. If I switch bluetooth of and try to make a phonecall with the receiver, speakerphone or cable headset there is no sound. The cable headset and speaker plays all other sounds ok and when testing the receiver with *#0*# it produces sound. I do not have any obscure call recording software or like installed. Running stock rom.
Any suggestions?

Hi,
I am having the same problem.did you find any solution to this bug?
Thanx
Sent from my GT-I9295 using xda app-developers app

Related thread
This seems to be exactly the same issue that I am having and that was described on this older thread: http://forum.xda-developers.com/showthread.php?t=2544300 [In call sound problem]

did you guys had this problem when the device was not rooted? becasue untill I rooted mine everything was OK. after root probelm occured. I am going to stock original rom and unroot mine a I wonder if it makes any sense.. I hope it does because I am getting desperate... If that will not work I will returnt go on warranty.

I did a repair through KIES and that fixed it for a few weeks but then it returned. My device wasn't rooted. Now I'm waiting for a good stock ROM without Samsung's bloatware to flash to.
Sent from my GT-I9295 using Tapatalk

did you try to contact samsung support ? or warranty? This phone is otherwise useless for me without its basic functionality.. if it has this bug also on stock ROM that its Samsung problem hm?

I've had my S4A since July, rooted it within a week and have not had a single problem with it. I'm on MF3 if that makes a difference.

strange.. I cannot find such ROM here.. http://samsung-updates.com/device/?id=GT-I9295

matelko said:
did you guys had this problem when the device was not rooted? ...
Click to expand...
Click to collapse
I have had the problem both unrooted and rooted. Although it sometimes disappeared after a hard reset, it soon came back after installing a few apps and changing some settings, none of which have in principle anything to do with phone functionality. One option would be to make a call after each change but it would be a very long process...

sorry matelko was signed by accident my computer under my account.

Hi,
so now running on stock ROM and still the same problem. I can make only make bluetooth calls. This phone is driving me crazy... can you please share with me the MF3 ROm so that I can test it?
Thank you

Yesterday upgraded ro Cyanogenmod 4.3... The phone worked perfect..a nd in the morning again the same ****... Phone is quiet.. It is possible to make bt headseat calls only.... I do no know what to do...anybody any idea before I finally decide to solve this as warranty claim?
Thanx

So, yesterday I have tried to put sim card from another provider to check if it is not a provider fault...and guess what.. the phone works normally with another providers sim card. I contacted my procider and reported this problem and now I am waiting for their feedback... hopefully they will find out something to make it work..
Sent from my GT-I9295 using xda app-developers app

So the provider made a check of signal and sim card and confirmed that everything is ok.. today i got a phone replaced.. so now i wonder if this problem will dissaper with new device...
Sent from my GT-I9295 using xda app-developers app

yokomcperez said:
I have had the problem both unrooted and rooted. Although it sometimes disappeared after a hard reset, it soon came back after installing a few apps and changing some settings, none of which have in principle anything to do with phone functionality. One option would be to make a call after each change but it would be a very long process...
Click to expand...
Click to collapse
Exact same problem here, is there a fix?
I just installed the new stock 4.4.2 and same thing, worked for a couple of calls and then bye.

Geonerd said:
Exact same problem here, is there a fix?
I just installed the new stock 4.4.2 and same thing, worked for a couple of calls and then bye.
Click to expand...
Click to collapse
Hi, does anybody has a Fix for this issue? It is getting really annoying and happening to a bunch of people in active S4 and the normal S4. After a new flash or sometimes randomly it works perfectly and then suddenly it goes silent on calls again.
Please help

Exactly the same problem. No problem until I started using my helmet's bluetooth. Only thing that works is to switch off bluetooth after using, restart phone and then about the 3rd 4th call, sound comes back on again. Comes and goes after that.
Sent from my GT-I9295 using XDA Free mobile app

The same problem after ~3-4 weeks from flashing Kitkat. Still no fix?

dark.angel said:
The same problem after ~3-4 weeks from flashing Kitkat. Still no fix?
Click to expand...
Click to collapse
Same problem with sound. Was from the very beginning with stock rom, also now with CM 10.2.
It's kinda annoying to have a phone without a proper call functionality..

Same problem
Has anyone found a fix to this?
I've been having this for about two weeks. and I've looked in almost every forum and could not a solution that works.
I've done everything from hard reset, factory reset, not installing viber/skype, tried using soundabout, change the network settings, and probably a few more suggested solutions that just doesn't seem to work.
any help is much appreciated.

SM-N920k - Not hearing sounds during calls

So I bought my Note 5 N920K off eBay. The first few days it worked fine. I would say the first few weeks. Then one Saturday I was on a call and suddenly I could hear the person on the other end. I tried to call back but when the call connected, there was still no sound. I toed another phone and completed the call. I then tried to call VM as a test call. I could hear the welcome note in the first 5 seconds and then it just went quiet. I tried this again and the same results, I tried the SIM card in another phone and it worked fine. I tried another SIM card in the note and same problem. I know of someone who had a Galaxy S5 G906k with similar issues but it went away eventually. Can anyone point me in the right direction as to if this may be a HW or a SW problem?
Any assistance would help. Let me know if any additional info is required to assist.

i believe somehow related to kernel problem. I got the same situation here. It will be solved by flash stock firmware via odin.
you can find stock firmware in below link:
http://www.sammobile.com/firmwares/download/53827/N920KKKU1AOH6_N920KKTC1AOH6_KTC/