S7 Has Terrible Modem - AT&T Samsung Galaxy S7 Questions & Answers

I rarely get over 2 or 3 bars on my AT&T S7. Wife's old Note 4 can get a signal when my S7 gets nothing but O NOTHING... Seems S7 has a problem to me. Anyone else noticed this with another phone getting signal at same place??

I notice it here and there, I'll be going down the street with friends playing music and it will stop and I'll notice my signal is super low and I cannot load anything while all their iPhones have no problem playing music and browsing social media. It's a real bummer.

tailgunner9 said:
I rarely get over 2 or 3 bars on my AT&T S7. Wife's old Note 4 can get a signal when my S7 gets nothing but O NOTHING... Seems S7 has a problem to me. Anyone else noticed this with another phone getting signal at same place??
Click to expand...
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Have you tried flashing different radios?
Sent from my SM-G955U1 using XDA-Developers Legacy app

https://www.walmart.com/ip/Cell-Pho...7483&wl11=online&wl12=173027984&wl13=&veh=sem
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Quickvic30 said:
Have you tried flashing different radios?
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Click to expand...
Click to collapse
Which should I try in my AT&T S7??? Where would I find them to download???

tailgunner9 said:
Which should I try in my AT&T S7??? Where would I find them to download???
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Click to collapse
They are included in the firmware packages you download from sammobile or updating. The CP file is the radio/modem file. Google is your friend for instructions and or procedure on flashing a different radio/modem.

Related

Text messaging problem.

It seems as if anytime someone texts me, and there is a message being sent at the same time, the sent message fails and i have to hit retry on it. Im not sure if this happens on stock roms, but definitely happens on custom roms. Is there anyway to fix this?
sfld said:
It seems as if anytime someone texts me, and there is a message being sent at the same time, the sent message fails and i have to hit retry on it. Im not sure if this happens on stock roms, but definitely happens on custom roms. Is there anyway to fix this?
Click to expand...
Click to collapse
I've been getting a lot of failed texts period lately. Only fix is a reboot
Sent from my SM-N900V using XDA Premium 4 mobile app
Me too. I thought it was a radio issue because my signal at home sucks. I just sold my MDK S4 and bought the N3 and the signal difference at home is very noticeable.
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ncdub said:
Me too. I thought it was a radio issue because my signal at home sucks. I just sold my MDK S4 and bought the N3 and the signal difference at home is very noticeable.
Sent from my SM-N900V using Tapatalk
Click to expand...
Click to collapse
My note 3's signal is also atrocious, much worse than my thunderbolt and note 2 were in the same location. I can barely get a signal from my home. My service also seems to be even worse with wifi on. I am actually just about to make a thread to discuss these issues
bladerealm124 said:
My note 3's signal is also atrocious, much worse than my thunderbolt and note 2 were in the same location. I can barely get a signal from my home. My service also seems to be even worse with wifi on. I am actually just about to make a thread to discuss these issues
Click to expand...
Click to collapse
all we can hope is the kitkat update brings a new baseband and better signal
sfld said:
all we can hope is the kitkat update brings a new baseband and better signal
Click to expand...
Click to collapse
I hope so. I just made a thread showing how it is possibly a software issue, at least in my case:
http://forum.xda-developers.com/showthread.php?t=2678455

Sprint S7 & S7 Edge Nougat 7.0 beta program is Open

Hurry up before they close sign ups.
If you don't know how to register, simply download the Samsung beta program from the galaxy apps store (not play store) and then follow the prompts.
I hope you guys find this helpful
Finally!
FYI-You have to wipe data or get constant reboots
Sent from my SM-G935P using XDA-Developers mobile app
aburns7487 said:
FYI-You have to wipe data or get constant reboots
Click to expand...
Click to collapse
Mine works fine without the wipe.
I was just sharing my experience as I just got the phone the day before. I had the phone all set up it was working fine on Android 6.0.1. I upgraded to the beta for nougat Android 7.0 and immediately my phone kept rebooting every 30 seconds or little bit longer. Once I realized the data I have not had any issues at all.
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---------- Post added at 06:52 PM ---------- Previous post was at 06:51 PM ----------
I previously had the Note 7
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I had massive restart loop every 30 seconds yesterday. Have been troubleshooting. Ultimately had to rewipe again, to get it to work.
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I downloaded the app this afternoon, did the registration, went into my setting and checked for an update and it downloaded nougat. The one thing I have found is that Bluetooth sucks! Seriously my music breaks up with it just in my pocket and I'm wearing Bluetooth headphones. Then I took it out of my pocket and put it on the counter and I can't get 5 feet away from the phone and the music breaks up again. Prior to the update I could go to the gym, put my phone down and be a good 40 feet away and it would still work fine.
Sent from my SM-G935P using XDA-Developers mobile app
Is there a way to keep the phone's screen from coming on when a text message comes in?
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Thanks to this thread I installed the beta Nougat OS.
Nothing bad so far. I did NOT wipe or remove data.
So far, I really like it. The SoTP meter says it's faster. Only thing that doesn't work so far is my Agenda Widget. Love the improved AOD. Battery seems to last a little longer, but not enough experience to say definitively. I did notice that the phone was warm when at 100% this morning. Haven't seen that since the update that stopped us charging to 100% (even though the display said it was).
The options in Settings are better- much better control of notifications.
I'll post more as I discover it.
Is anybody having the issue where the speaker volume is really quiet? Like unusable when watching YouTube.
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sgtmedeiros said:
Is anybody having the issue where the speaker volume is really quiet? Like unusable when watching YouTube.
Sent from my SM-G935P using Tapatalk
Click to expand...
Click to collapse
I just pulled up a random video on YouTube. Sound is working fine.
Is the registration still open?
DubSolo said:
Is the registration still open?
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Click to collapse
i registered but im afraid to lose my hotspot. i here they fixed the "turn it on after reboot" thing. im still on OG firmware and get 2 and 1/2 days battery life so can someone confirm hotspot still works if turned on real quick after reboot?
being on the OG firmware I can still set my apns. Thanks
Robalboa said:
i registered but im afraid to lose my hotspot. i here they fixed the "turn it on after reboot" thing. im still on OG firmware and get 2 and 1/2 days battery life so can someone confirm hotspot still works if turned on real quick after reboot?
being on the OG firmware I can still set my apns. Thanks
Click to expand...
Click to collapse
I was trying to run the Sprint software on my g935a but that damn annoying Sprint activations wouldn't allow me to get anywhere. Want Nougat bad and Verizon stopped at beta 2...booo
DubSolo said:
I was trying to run the Sprint software on my g935a but that damn annoying Sprint activations wouldn't allow me to get anywhere. Want Nougat bad and Verizon stopped at beta 2...booo
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Click to collapse
Nougat is closed again
Sent from my SM-G935P using XDA Free mobile app
The Beta Program is over today.
https://www.sammobile.com/2016/12/3...ogram-ends-today-official-release-in-january/
Goat1378 said:
The Beta Program is over today.
https://www.sammobile.com/2016/12/3...ogram-ends-today-official-release-in-january/
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Click to collapse
So it releases in January. Just a few days awayyy
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Son Rise said:
So it releases in January. Just a few days awayyy
Sent from my SM-G935P using XDA Free mobile app
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Lol if only! Thats when Sammy will release it to the carriers. And then they will do their thing and probably take their time draging feet.
Goat1378 said:
Lol if only! Thats when Sammy will release it to the carriers. And then they will do their thing and probably take their time draging feet.
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Click to collapse
Sprint users were part of the beta too, so it shouldn't be like rollouts in the past. Although I don't understand why we've been testing 7.0 and the final is supposed to be 7.1.1, unless Sprint stays on 7.0.
Ramer said:
Sprint users were part of the beta too, so it shouldn't be like rollouts in the past. Although I don't understand why we've been testing 7.0 and the final is supposed to be 7.1.1, unless Sprint stays on 7.0.
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Click to collapse
If sammy sends them 7.1.1 them that's what we will get. 7.1.1 isn't that much different from 7.0 just a few features added like app menu short cuts which wouldnt take much for them to add in the final release .I really dnt get how beta is over with all bugs not fixed. I personality still have an issue with Youtube videos not working after some time. Notification tones stop working after some time. No factory reset or caches clear has fixed this in the whole beta process.

Anyone else has 4G icon randomly appear when connect to wifi?

As the title. Does your AT&T Samsung s7 edge get the random 4G signal appear when on WiFi? Only happens with home wifi and it's super annoying. Never happened on t-mobile s7 edge. Any suggestions?
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It happens to me sometimes. I found that restarting your device fixes it. I haven't been noticing my data being used bc of it but I'm does worry me sometimes! Hope this helped!
nano303 said:
As the title. Does your AT&T Samsung s7 edge get the random 4G signal appear when on WiFi? Only happens with home wifi and it's super annoying. Never happened on t-mobile s7 edge. Any suggestions?
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Click to collapse
att doesn't turn off cell data while on wifi. this is why you see the icon once in awhile
toolhas4degrees said:
att doesn't turn off cell data while on wifi. this is why you see the icon once in awhile
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Click to collapse
But it does use WiFi instead of mobile right?
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nano303 said:
But it does use WiFi instead of mobile right?
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Click to expand...
Click to collapse
I believe if you have download booster on the phone then uses data and wifi to speed up downloads.

Horrible Signal now with Nougat

Since I took the update my signal, especially in home is abysmal.
I am getting nothing..And never had this issue before..
Does anyone have any suggestions on what I can do?
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Go back to mm.
Mine has been way better. If you just upgraded, even from the beta, then that is most likely the reason. You must do a factory reset for best results after a big upgrade.
johnwayne27 said:
Mine has been way better. If you just upgraded, even from the beta, then that is most likely the reason. You must do a factory reset for best results after a big upgrade.
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Click to collapse
I did do a factory reset..
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I would do a 2nd reset and see how the signal does stock with nothing installed and make sure your apn is correct.
---------- Post added at 11:33 PM ---------- Previous post was at 11:32 PM ----------
Believe it or not I have had to factory reset twice before. It shouldnt matter but phones are funny some times.
Try to Flash Firmware with ODIN. if that helps
zaibrockstar said:
Try to Flash Firmware with ODIN. if that helps
Click to expand...
Click to collapse
So I just had my wife's Phone, exact same phone next to mine...We both ran speed tests...She got over 50...I got around an 8.
I think something is wrong...I did flash thru Odin..
I came from U firmware...Could that have anything to do with it?
Does anyone have link to full Nougat for Odin...With radios and all.
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PhilPan said:
So I just had my wife's Phone, exact same phone next to mine...We both ran speed tests...She got over 50...I got around an 8.
I think something is wrong...I did flash thru Odin..
I came from U firmware...Could that have anything to do with it?
Does anyone have link to full Nougat for Odin...With radios and all.
Sent from my SM-G935T using XDA-Developers Legacy app
Click to expand...
Click to collapse
Here its Full Zip. Extract them and flash all files.(Exclude CSC if you dont want to erase /data on phone, instead use Home_CSC
PhilPan said:
I came from U firmware...Could that have anything to do with it?
Click to expand...
Click to collapse
Only 8 down screams U modem. Just odin the tmo cp file (modem). Nothing else needs flashed/erased.
PhilPan said:
I did do a factory reset..
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Click to expand...
Click to collapse
I upgraded ota from MM. I didn't do a factory reset. Signal isn't better or worst. It's the same. Tmobile here is weird. I can get insane speeds on one side of the street, and next to nothing on the other side. Crazy.
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Mine is too. WiFi calling, data calling, and even my bluetooth is horrible. I can hear them but they all say that I am breaking up and this never happened in the past. Also it is in my home where my signal worked flawlessly before.
Nougat seems to have fixed mine. I was having horrible disconnects between towers. That's all fixed now.
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I got Android 8 Update today.

Hello All,
I got android 8 update today, I will keep posting about updates, its still going on for 1.8 GB of download.
Oreo update
A co-worker and myself also received the Oreo update for our S7 Edge. All is well so far.
prashant.saraf said:
Hello All,
I got android 8 update today, I will keep posting about updates, its still going on for 1.8 GB of download.
Click to expand...
Click to collapse
dc296gsr said:
A co-worker and myself also received the Oreo update for our S7 Edge. All is well so far.
Click to expand...
Click to collapse
everything is working great. fone is little faster. I got issue in calling after update, its only allowing emergency call. After a restart that is resolved. so far so go.
I've noticed something cool with Bluetooth audio. Before you could set the volume of the phone and the Bluetooth device separately. I noticed that when I turned the volume up on the phone the soundbar volume indicator was going up. So I pulled up the volume slider on the phone and started adjusting the volume using my soundbar remote. The slider on the phone started moving by itself. It seems to me now the phone adjusts itself to the speaker volume.
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Factory Firmware or Unbranded ?
can anyone upload the update here? so i can manualy update mine. im outside usa..thankyou
Does anyone know if this is available with SmartSwitch - specifically without SIM in? My son is using my old s7 edge without an active SIM, would love to avoid having to deal with popping out the SIM from my s9+ to pull down the update for him, but if I have to, so be it.
At least the s7 edge is getting updates.
Just a FYI since I've seen others ask how to turn that off...
You can disable it in Bluetooth Settings (along with Ringtone volume as well). Go into Bluetooth Settings and click the 3-dots at the top right for "Media Volume Sync" or "Phone ringtone sync" while the device is connected.
stew1411 said:
I've noticed something cool with Bluetooth audio. Before you could set the volume of the phone and the Bluetooth device separately. I noticed that when I turned the volume up on the phone the soundbar volume indicator was going up. So I pulled up the volume slider on the phone and started adjusting the volume using my soundbar remote. The slider on the phone started moving by itself. It seems to me now the phone adjusts itself to the speaker volume.
Sent from my SAMSUNG-SM-G935A using Tapatalk
Click to expand...
Click to collapse
My S7E has failed the update process three straight times. Downloading it on another S7E right now to see what happens there.
DeadBirdDog said:
My S7E has failed the update process three straight times. Downloading it on another S7E right now to see what happens there.
Click to expand...
Click to collapse
Are you doing it OTA?
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How did you guys get the update? My SM-G935A says my 7.0 nougat is up to date
Dark_Magician04 said:
How did you guys get the update? My SM-G935A says my 7.0 nougat is up to date
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Click to collapse
Do you have an AT&T sim card installed? If not, that's why. You could always try to update using Smart Switch.
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stew1411 said:
Do you have an AT&T sim card installed? If not, that's why. You could always try to update using Smart Switch.
Sent from my KFDOWI using Tapatalk
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Click to collapse
Does smart switch reset my phone ? Can I have the download link for it
Dark_Magician04 said:
Does smart switch reset my phone ? Can I have the download link for it
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Click to collapse
I'm not sure if it resets your phone. You get it from Samsung website.
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Now I'm really confused. Smart switch is telling me that 7.0 is the latest version available. I don't understand what is going on . I was able to update this a few months ago and have never rooted or anything
Dark_Magician04 said:
Now I'm really confused. Smart switch is telling me that 7.0 is the latest version available. I don't understand what is going on . I was able to update this a few months ago and have never rooted or anything
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Click to collapse
Did you ever change over to the unlocked firmware? Also, what carrier are you using?
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stew1411 said:
Did you ever change over to the unlocked firmware? Also, what carrier are you using?
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Click to expand...
Click to collapse
Shouldn't be an unlocked firmware I think. I unlocked the device and currently use t mobile
Dark_Magician04 said:
Shouldn't be an unlocked firmware I think. I unlocked the device and currently use t mobile
Click to expand...
Click to collapse
Ok. The unlocked firmware is still only on 7.0. If it's still at&t and using a T-Mobile SIM it won't register an update. The servers won't accept any device not using an att sim.
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stew1411 said:
Ok. The unlocked firmware is still only on 7.0. If it's still at&t and using a T-Mobile SIM it won't register an update. The servers won't accept any device not using an att sim.
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Click to expand...
Click to collapse
Oh. Any way around it or do I just need an att sim? If were to go an att store would they be kind enough to let borrow one for a minute to update?
It's on g935aucs4bra1 firmware
Dark_Magician04 said:
Oh. Any way around it or do I just need an att sim? If were to go an att store would they be kind enough to let borrow one for a minute to update?
It's on g935aucs4bra1 firmware
Click to expand...
Click to collapse
The only way around it is to use Odin. But that will wipe your phone. Do you have any friends or family that use att?
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