[Q] call quality after rooting - Galaxy S III Q&A, Help & Troubleshooting

Hi!
I just rooted my SGS3 today and I noticed that some friends of mine had some problems hearing me during the call. I made some other phone calls and my friends confirmed the problem.I did the phone calls under a good network coverage. I'm new to android and I wanted to ask if someone else had the same problem or if there is a solution for it.
Thanks,

No not at all i highly doubt rooting your phone assuming everything was done correctly could have any impact in call quality, mine is fine.

I noticed my call quality is crap today. Not sure when it started, but it's bad. I'm testing by leaving myself voicemails on my work number. I'm starting from a seated position and the call was clear enough, but as soon as I start walking around it gets very badly garbled to where you can't make out what was said. I put the sim back in the galaxy nexus and quality was fine, so I don't think it's the network, also I have full bars.
Is it possible something could be causing interference to the S3 and not the Gnex?
Yes I am rooted, and yes I'm pretty sure that has nothing to do with it.

Was data on at the time? If so, disable and test.
Try another modem or firmware with different modem.
Sent from my GT-I9300T using xda premium

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[Q] Randomly not recieving calls etc

Greetings from sunny ???? notts
Been a long time lurker, but now i am in need of some help.
Had the galaxy s2 for a couple of weeks now and most of the time it works great. but occasionaly it will not recieve calls or sms. i get no notifications of missed calls, voicemail messages etc. to the caller it just goes straight to voicemail. A few hours later i get all? the sms come in at once, sometimes a voicemail notification but no missed calls. when this happens i have a good signal and am able to call out.
Its definately not because i was using data services at the time and not lack of signal.
I have rooted the phone, but still with a stock rom (ke7 ?)
Anyone got any ideas ?
The handset ? The sim card ? or the network ?
All the best
have fun
rich
dik64 said:
Greetings from sunny ???? notts
Been a long time lurker, but now i am in need of some help.
Had the galaxy s2 for a couple of weeks now and most of the time it works great. but occasionaly it will not recieve calls or sms. i get no notifications of missed calls, voicemail messages etc. to the caller it just goes straight to voicemail. A few hours later i get all? the sms come in at once, sometimes a voicemail notification but no missed calls. when this happens i have a good signal and am able to call out.
Its definately not because i was using data services at the time and not lack of signal.
I have rooted the phone, but still with a stock rom (ke7 ?)
Anyone got any ideas ?
The handset ? The sim card ? or the network ?
All the best
have fun
rich
Click to expand...
Click to collapse
i have the same issue as you ...
the only solution that i found is to set my phone is GSM MODE only but you will loose your 3g/h data and only use EDGE
dik64 said:
Greetings from sunny ???? notts
Been a long time lurker, but now i am in need of some help.
Had the galaxy s2 for a couple of weeks now and most of the time it works great. but occasionaly it will not recieve calls or sms. i get no notifications of missed calls, voicemail messages etc. to the caller it just goes straight to voicemail. A few hours later i get all? the sms come in at once, sometimes a voicemail notification but no missed calls. when this happens i have a good signal and am able to call out.
Its definately not because i was using data services at the time and not lack of signal.
I have rooted the phone, but still with a stock rom (ke7 ?)
Anyone got any ideas ?
The handset ? The sim card ? or the network ?
All the best
have fun
rich
Click to expand...
Click to collapse
Lo Rich. Miggy round?(private joke)
Was wondering, was the phone on charge when it missed the calls/texts?
it could be any number of things, really. if your sim card is not fairly new i would replace it just to be on the safe side. you might try hard resetting your phone (which will delete all your info so back it up first) and starting over.
do you have any apps that block data connections at various times? if so i would delete that app and use the phone for a few days without it to see if the issue goes away.
have you flashed a different radio? if so, try the one that matches your rom, or try the newest one you can find.
there are many possible causes, but if i were in your position i would hard reset it and not install any apps that might interfere with your connection to the network and i would make sure my sim card was fairly new. if the issue still persists you might try asking for an exchange if possible.
If upu have the phone on GSM only then incoming calls go directly to voicemail when data bursts are happening (which is often). So switch to 3g to fix.
If you're not on GSM then I have no idea, maybe no signal in that area...
Thanx
Ok theres possibly been a development with this.
But first a big thanx to all your suggestions, and my response to them.
Seems a bit pointless having such a device then crippling some of it just to get the basic phone part to work. although switching to gsm only may be a temporary solution.
Fault occurs either on charge or not.
Fault has occured whilst at home where all data connections are disabled and wi-fi exclusively used. I havent tried flashing a different radio yet, but it is still on the latest ?? ke7 ? firmware. Sim card was brand new a couple of weeks ago.
So gsm only wont help, but as above when at home i use wi-fi.
Now i spoke to my network, talk mobile a few days ago, they say it will take more than 5 days for their IT dept to contact me to try and sort this ! as i can still make calls they dont see it as a major fault ??? Looks like customer care is not important to them.
I have also spoke to the company i purchased from(wish i hadnt as customer DISatisfaction appears high on their list of prioritys)mobiles.co.uk. I was speaking to someone at their Fullfillment team yesterday about getting another handset sent out, but for some reason i couldnt finish arranging it yesterday. Then early yesterday eve one of their guys rang me back out of the blue to say he had been looking into my fault and had found something not quite right with the original connection they had set up. He was honest enough to admit it was a bit beyond his knowledge and was getting someone from the connections dept to help him. they are going to re-do my connection and for me to wait 24hrs for this to be sorted and hopefully it should be ok after that. All credit to Leeroy at mobiles.co.uk.
The only problem now is other than getting someone to ring me every 1/2hr, how do i know if its working or not ?
I guess the best i can do is leave it a while and see if i get any more complaints that people cant get hold of me.
Once again many thanx for all your suggestions, i will update this when i am confident it has or hasnt been fixed.
many thanx
have fun
rich
this happens to me perhaps every other day
i get a txt saying so and so called but left no message
my reception is fine and my phone has been sitting in one place on 3 bars
i call the person and they said they tried to call and it went straight to voicemail
the txt arrives instantly so i am putting up with just calling people back as its not very frequent
plus i have 1200 mins so i need to use them!
I have the same problem and I believe mine has something to do with the way the towers handle the switch from 3g to edge. You said you get a text message showing a missed call, I think that would be usefull to me also until we can get this fixed. Are you using google voice to get your sms, if not what?
I have the exact same problem, and it's beginning to interfere with my work. The HSDPA signal here is very weak. So I switched it to GSM only, which resolved my signal problem, but I keep missing calls. All I get is a sms saying that I missed a call. Would my problems be solved if I had full HSDPA signal the entire time? You said that calls are missed when data bursts are happening on GSM only? I almost never receive a call the first time. Only after ~3 attempts would they get a hold of me.
Any help would be very much appreciated.

Is there any way to improve call reception other than changing modem?

Hi, I have a UK based i9100 that I am using on the Telstra network (Australia).
I am losing signal in my kitchen and other parts of my house.
The strange thing is, that I can hear the other party loud and clear, but to them I keep breaking up and they eventually can't hear me.
On 2g it is the same but the call quality is bad-crackling a bit and a pulsing sound of the radio trying to hold a signal. It takes a bit longer to break up and drop my call, but it still happens.
I have tried every modem and there is little difference, as well as flashing the stock Telstra i9100-T firmware.
So, I am asking if there is anything else to try-can different kernels make a difference? Could the CSC make a difference? Is there a possibility of modifying something to put more power into the modem? Anything else?
I have not had this issue with a htc desire and a motorola defy.
I have had it with previous phones in other networks.
It seems my only option is to trade it for an iphone 4 (I have seen working perfectly) or something else....which is a shame, as this phone is otherwise close to perfect.
Any ideas will be appreciated.
Edited- Swypo typos...

Using T-Mobile Radio UVLK1 Not Getting Phone Calls

Hey guys, this did not happen at first, but today I have been experiencing some big issues with my phone.
I have been using the UVLK1 ICS based radio since I am an AT&T Galaxy Note user on the T-Mobile Network.
People have been calling me and my phone isn't ringing. I am getting Google Voice e-mails for voicemails they leave me but the phone never rang. I am at work where I always have gotten great service at all times. I rebooted the phone and it is still doing the same thing.
Any ideas?
Now I can't even make calls...the phone disconnects the call right after I tap the make call button...
Now I flashed the Blaze 4G radio, doing the same thing. Can't receive calls and immediately disconnecting when trying to place calls.
Data isn't working either..
Pulled the SIM card, put back in, problem solved. Weird!
It is doing it again! This morning it happened and I had to pull battery and SIM, reboot, it worked but shortly after stopped working...
issues with TMobile radios on galaxy note
I have experienced similar problems as well, but not to the extent to where my phone doesn't work at all. Since TMobile sells the Note now, I'm sure someone will port the full ROM or at least the radio.
avantcs said:
I have experienced similar problems as well, but not to the extent to where my phone doesn't work at all. Since TMobile sells the Note now, I'm sure someone will port the full ROM or at least the radio.
Click to expand...
Click to collapse
i'm using the SGH-I727 with various T-Mobile radios and having the same issue, kinda. It will work for about 3-5 hours then stop. The signal meter still works, 2-3 bars in my area, even flucuates. However it will say (Searching) and nothing comes in or goes out. It does not work again until rebooted. Then the process repeats.
Any other t-mobile subscribers with you? The crazy weather might be a cause.
Can you put your sim in your back up phone?

Cant make receive calls/texts

Recently bought a second hand S3 on the UK three network and used a unlock code as on t-mobile/orange. It was working fine but recently it stopped sending and receiving calls and texts. Data usage is fine. Not sure when this happened as mainly use it for data as have a works phone. Can remember doing a software update (think to jelly bean) recently but couldn't say whether its started after that. Have used my cut down sim in the wifes S3 and it works okay and put her sim in miner and that has same issue. When I try to call it immediately ends call and texts just fail. Have tried setting to network manually both 2g and 3g and auto, sometimes it say cant register and other times it does but when call ends it then seems to change to another available network. Started to think the imei may have been blocked but wouldn't expect data to work. Anyway rang t-mobile and they said everything looks okay their end and the imei is not black listed but not sure how they could tell that. Said the issue must be with my phone. Have emailed samsung to see what they say but not to hopeful with it being a second hand phone. The bars on the signal seem okay too.
Anybody got any idea's on what to try or do as its currently an expensive data only device. :crying:
Have already tried a factory reset.
hardyp said:
Recently bought a second hand S3 on the UK three network and used a unlock code as on t-mobile/orange. It was working fine but recently it stopped sending and receiving calls and texts. Data usage is fine. Not sure when this happened as mainly use it for data as have a works phone. Can remember doing a software update (think to jelly bean) recently but couldn't say whether its started after that. Have used my cut down sim in the wifes S3 and it works okay and put her sim in miner and that has same issue. When I try to call it immediately ends call and texts just fail. Have tried setting to network manually both 2g and 3g and auto, sometimes it say cant register and other times it does but when call ends it then seems to change to another available network. Started to think the imei may have been blocked but wouldn't expect data to work. Anyway rang t-mobile and they said everything looks okay their end and the imei is not black listed but not sure how they could tell that. Said the issue must be with my phone. Have emailed samsung to see what they say but not to hopeful with it being a second hand phone. The bars on the signal seem okay too.
Anybody got any idea's on what to try or do as its currently an expensive data only device. :crying:
Have already tried a factory reset.
Click to expand...
Click to collapse
If it's not your imei number. Did you have a backup of your efs folder?
Throwing out of the window from my flying Ferrari killer S3 driven by a proud omega team member
Chris_84 said:
If it's not your imei number. Did you have a backup of your efs folder?
Click to expand...
Click to collapse
Didn't have a backup of anything, why? One thing I have noticed is that the sim card doesn't click into the slot. compared it against the wife s3 and the sim card doesn't go as far down as if something is blocking it. Tried my sim in the wifes s3 only putting it in the same distance and it worked fine. Anyway just in case I took some of the plastic off the bottom right up to the metal chip so it would sit in the right place not being all the way down but it still does not work. Whilst having the sim in the wifes phone I diverted all calls to my works mobile and when back in my s3 its shows as calls being diverted so it must be working up to a point. Not sure whats wrong with the sim card slot, the mechanism which you push to insert and release seems to be broken so not sure if this is the cause or just a knock on effect from taking the sim card in and out alot
.
Can the sim card slot/mechanism be replaced/fixed easily?

Caller hears loud buzzing when I answer phone

I have a G925A AT&T version - unlocked. I've been using it on Straight Talk for the past year with no problems. Switched to T-Mobile last week and everything seems to have been going fine. However my husband has had issues where nearly every time he calls me, he hears very loud buzzing-static when I answer the phone and I just hear silence on my end. But the call always goes through when he tries a second time. We thought it was his cell phone (Huawei Honor 8) having problems but today he called me from his landline at work and he heard the exact same loud buzzing-static noise while I got silence. So it has to be something with my S6 Edge. I've searched online and am coming up empty and I can't even figure out if it must be a setting I need to change for T-Mobile or maybe my phone is going bad?
sparksofember said:
I have a G925A AT&T version - unlocked. I've been using it on Straight Talk for the past year with no problems. Switched to T-Mobile last week and everything seems to have been going fine. However my husband has had issues where nearly every time he calls me, he hears very loud buzzing-static when I answer the phone and I just hear silence on my end. But the call always goes through when he tries a second time. We thought it was his cell phone (Huawei Honor 8) having problems but today he called me from his landline at work and he heard the exact same loud buzzing-static noise while I got silence. So it has to be something with my S6 Edge. I've searched online and am coming up empty and I can't even figure out if it must be a setting I need to change for T-Mobile or maybe my phone is going bad?
Click to expand...
Click to collapse
hi . i had the same issue with mine but its not your phone its your provider and or location,regards..
joecool666 said:
hi . i had the same issue with mine but its not your phone its your provider and or location,regards..
Click to expand...
Click to collapse
Hmm - were they able to fix it? Sounds like I'll have to go in to T-Mobile and talk to them, then. This can't go on - it's literally every other phone call and the sound is so loud my husband is afraid it's going to damage his phone.
sparksofember said:
Hmm - were they able to fix it? Sounds like I'll have to go in to T-Mobile and talk to them, then. This can't go on - it's literally every other phone call and the sound is so loud my husband is afraid it's going to damage his phone.
Click to expand...
Click to collapse
i know its very annoying, you might find a booster on the play store, sorry i cant be more of help. but if i find anything to help i will let you know. regards.

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