Note 4 N910C when screen off network disconnecting - Galaxy Note 4 Q&A, Help & Troubleshooting

Hello i have some problems with my N910C Samsung Note 4
-First when i try to call someone screen is turning off .
-When i try to send voice message on whatsapp screen is turning off and when i try to listen my voice message the sound is coming from headphones not from the speakers.
-My phone has network problems i try stock rom and e robot but there was no fix. LTE never working when it change network to LTE i cant even call and anybody cant call me. When it switches to WCDMA/GSM works for a while. After that when put it in my pocket or leave it on the desk or something after 30 minutes noone can call me its all disconnects from the networks. I need to close and open again .
Only works in 2g mode
I already tried some solutions. I changed my sim card. i bring it to service they even changed some parts related to signal didnt work. I flashed a few roms and a few modems, kernels didnt worked. I checked all sensors everything works perfectly.
Now my phone is not working good. All of my friends calling me even my phone is open they cant reach me.
Please somebody help me ..

Probably Deep Sleep Mode is ON
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How can I disable that?

Look in the settings. I don't remember where it is. Display, Battery, Development - options
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There is no Sleep mode or Deep sleep mode. I checked every tap

What rom you are on?
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Erobot v23

I have in Battery options
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Sorted?
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Related

WiFi Calling app issues

So today I sent out a picture message to my wife while my WiFi calling was enabled. (I don't have a good signal at my house so this is the only way I can do this from home without moving around looking for a signal) Every time I tried sending the message I got a "g" pop up on the status bar next to my wifi signal bar. I tried rebooting because it wouldn't send and it still didn't work. I then set it down and ignored it and it finally wend, but maybe about 10 minutes later.
The other issue I just has been happening the last couple of days is the app just shuts down when the screen is sleeping. I set my phone down and come back 20 minutes later and the icon is missing. I go into the app to restart it but is says it's on, but trying to connect and it won't connect until I reboot. Just now I had an error message stating I wasn't connected to the tmobile network and had to sign in (or something like that) I rebooted and everything connected back up.
Anyone else had this happen to??
The whole mms thing is not an issue. it sends mms using your data connection to prevent something but i cant remember what. Take a look at the wifi calling thread i know it was addressed already.
Sent from my T-Mobile G2 using XDA App
I think your WiFi calling shutdown when the screen went sleep because you may have WiFi set to sleep when the screen shuts off.
Sent from my T-Mobile G2 using XDA App
Blackman778g said:
I think your WiFi calling shutdown when the screen went sleep because you may have WiFi set to sleep when the screen shuts off.
Sent from my T-Mobile G2 using XDA App
Click to expand...
Click to collapse
I have it set to be on all the time.
mine does the same thing i just reboot everything is good not a big deal for me
shibby80 said:
mine does the same thing i just reboot everything is good not a big deal for me
Click to expand...
Click to collapse
Rebooting is all fine and dandy, but then I need to have it reroot itself again. And then to overclock it I have to be at my computer.
After looking at the other thread as the first responder suggested it makes sense that the MMS get sent over data connections, so I guess if I need to send an MMS I need to have a good "cell" signal.
i am having the same problem.
from a fresh boot, wifi calling works. but once I shut the screen off, wifi calling is lost and it will not come back until I reboot again.
i am using CM6.1, and I don't know if this is a problem with CM or just the wifi calling app itself
I have this issue as well, wifi icon will go missing, when you opn the app it says that its on...from what ive been hearing, wifi calling doesnt really work that well anyway.
Sent from my T-Mobile G2 using XDA App

Data stopped working

Anyone else had this problem my data just doesn't seem to work anymore.
Any suggestions?
Happens all the time..... Airplane mode on then off solves 99% of the time for me.
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mrloltime said:
Happens all the time..... Airplane mode on then off solves 99% of the time for me.
Sent from my LT15i using Tapatalk
Click to expand...
Click to collapse
Jus tried it mate and it didn't work
hmm......then in setting can you switch wcdma to gms then back? are you seeing the data icon and not getting any data or it not show up at all?
did you just flash a new firmware or soemthing, make sure you have the correct apn settings
Maybe your provider has a data outage?
Sent from my iPad 2 using Tapatalk
I tried going to wcdma the gsm then back but still nothing the h symbol just doisn't appear.
I updated my phone with the official update and it has been fine just stopped working repaired it and installed it again but still nothing.
I'm on a unlimited data plan and i don't even use it that much.
It has fell down the back of my bed onto my wooden floor think it could be damaged?
Sorted now cheers
What did you do to fix it?
Was it the APN info missing?
every daty at 2:300 mine never connects ....i always see the H with upload and download but always said retry...hmmm
bigyinn said:
What did you do to fix it?
Was it the APN info missing?
Click to expand...
Click to collapse
Just went to settings>sony ericsson>internet settings then picked my carrier then nothing was happening then all of a sudden the h appeared and it seems fine now mate.

going on a cruise...

So I am going on a cruise in two days and obviously am bringing my phone. I was hoping I could turn everything but wifi off as to avoid roaming charges. I know i can turn data off but am not sure how to turn off the actual phone itself. Any suggestions?
Fascinate, AOKP build 28, Glitch b6 sensor fix
turn off data and dont answer any calls...or call verizon and have them deactivate the device.
Oh, I didn't realize it was that simple. For some reason I thought that if the phone is looking for a signal in roaming, since it's out of country, that it would charge me. Thank you!
Samsung Fascinate, AOKP build 28, Glitch b6 sensor fix
what about airplane mode? disables the radio (including calls, texts, etc) but still allows wifi and all other use of the mode. most custom roms can enable it by holding the power button and selecting it, otherwise find it under network settings.
Sent from my SCH-I500 using Tapatalk 2 Beta-4
sageDieu said:
what about airplane mode? disables the radio (including calls, texts, etc) but still allows wifi and all other use of the mode. most custom roms can enable it by holding the power button and selecting it, otherwise find it under network settings.
Sent from my SCH-I500 using Tapatalk 2 Beta-4
Click to expand...
Click to collapse
wow i feel like such an idiot haha. i just tried it and that does work. i had no idea u could wifi on when airplane mode was on. never even occurred on me to try that. thanks so much!
Samsung Fascinate, AOKP build 28, Glitch b6 sensor fix
yonith said:
wow i feel like such an idiot haha. i just tried it and that does work. i had no idea u could wifi on when airplane mode was on. never even occurred on me to try that. thanks so much!
Samsung Fascinate, AOKP build 28, Glitch b6 sensor fix
Click to expand...
Click to collapse
of course!
Sent from my SCH-I500 using Tapatalk 2 Beta-4
I'm in the Dominican Republic now. Phone is in airplane mode and I just turn on wifi and other radios/sensors as needed.
Also check out grooveip + Google voice for free calls.
Sent from my SCH-I500 using xda premium

Don't receive Whatsapp's notification when Device is on dormant mode

Dear All,
I have Nexus 4 device with stock rom and I'm facing the following issue:
When I'm not using the device for few mins and someone sends me notification in whatsapp I'm not getting it. Only when I wake up the device and open the app I'm getting the notification.
Did someone face this issue?
I'm not sure but I think this is some safe mode or something like.
Please help me with that.
Thanks,
Yotam
What kernel are you using
Sent from my Nexus 4 using xda app-developers app
Wait for the miraculous 4.2.2 to turn up. 3 months and waiting so far.
meangreenie said:
Wait for the miraculous 4.2.2 to turn up. 3 months and waiting so far.
Click to expand...
Click to collapse
What will 4.2.2 do with regards to this issue?
Wifi is probably going to sleep. Go to advanced wifi settings and set it to remain always awake.
This happened to me, latest franco kernel version is somewhat fixing it!
I'm using the original kernrl, didn't change it yet?
did someone using Franco kernel and stock rom?
In the mean time I Chaged thr ROM to CM 10.1 , but I want to check it also with STOCK rom.
does someone knows which rom is the original one?
wifi sleeps when display is off, so push notifications are delayed, its a problem with 4.1.2, I currently haven't found a solution and its not my modem, wait for 4.2.2,
when streaming, display must be on to complete transfers
code.google.com/p/android/issues/detail?id=40065
A work around, someone pointed out in another thread, is to set wifi deliberately to turn off when phone sleeps and leave mobile data on.. when you get a notification phone will wake and wifi will switch back on to receive notification.
can confim this works, i leave 2g only on.
Check your APN settings cos mine was doing the same thing till I changed the APN settings.
Sent from my Nexus 4 using xda app-developers app
I was thinking that APN should be also an issue. in the mean time I switched to CM 10.1 and this issue dissapear
Is the problem only when you are using mobile data or is it wifi as well. Have you tried it with whatsapp plus.
Sent from my HTC Wildfire using xda app-developers app
It's seems that I've the same problem. When I just turn off the screen I've the notifications but when the phone sleeps more than few minutes I don't receive notifications.
I have franco r71, I see if this fix the problem as someone said before.
Is this happening to everyone or just a few people (including me)?
Sent from my Nexus 4 using xda app-developers app
WhatsApp on the Nexus 4 seems to be a complete and utter disaster. I don't know why but it takes 10-20 seconds to send messages via whatsapp, even when my signal is perfectly full and I could be browsing. On my old S1, it would send them almost instantly, the N4 seems to wait, dilly dally for a little bit then send them when it's happy to. I can't tell if it's a modem issue or a bug in JB but it's getting annoying.
I regularly receive clumps of 4 or 5 messages. They do usually arrive, even when in dormant, but they don't arrive like, one after the other, they just arrive all at once.
Its the standard jb WiFi issue described in Google bug report and happens to everyone.
Whatsapp is fine over 3g if.you have a decent 3g connection. In fact I use whatsapp on 2g and notifications are instant with the screen off.
As a side note, on fauxs latest beta kernel I haven't had the signal bars turn grey.
biffsmash said:
Its the standard jb WiFi issue described in Google bug report and happens to everyone.
Whatsapp is fine over 3g if.you have a decent 3g connection. In fact I use whatsapp on 2g and notifications are instant with the screen off.
As a side note, on fauxs latest beta kernel I haven't had the signal bars turn grey.
Click to expand...
Click to collapse
Not for me. It's fine over WiFi. Totally b0rken over 3G, takes ages to update and send messages
FYI this also happens with Facebook messenger
Sent from my Nexus 4 using xda app-developers app
Can't decide what it is. Internet browsing seems fine on this phone, but WhatsApp is ****ed.
Even further problems today, surely this is to do with the baseband?

Always problems with phone calls....

Hey everyone,
I have a regular GS4 and haven't changed anything, stock firmware, stock rom, not rooted. So I have the problem when I have a phone call, after like 1 minute the person on the other side can't hear me anymore for like 3-4 seconds and this repeats every 3-5 minutes. First I thought its because I was in a building, but this happens everywhere and also with full signal strength.....so what is the problem?
Everything else works fine, but this is realy annoying because this is really on every call.
Any suggestions?
Thanks!
Strange problem, maybe it's network related? Try flashing another modem. Google modems for your model of Gs4
Sent from my GT-I9500 using Tapatalk 4 Beta
Please... DO NOT flash anything... Check if Your problem persist with Your SIM and another phone and Your phone and another SIM (from different network). If it's phone related - go to service and do not play with modems as it won't probably change anything.
Actually, yes. As slig said, if your phone isn't rooted then it's best to take it to your carrier or to samsung under warranty.
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