Help Is this software or hardware problem?? - Samsung Galaxy Note 8 Questions and Answers

I would like to know if anyone else has this problem in their note 8
My note 8 drop calls,2g,3g,4g randomly but almost 100% when im calling someone or if someone else is calling me i cant pick up becouse it says network not available some times it goes 9 times in a row with this if im trying to have a call but sometimes its ok
Wifi is 100% stable no problems there
I tried all available roms out there for my sm-n950f but same problem even in stock rom
This problem started about 2 months ago
Now currently im in stock pie
I hope someone know how to fix this
My phone is not doing what is supossed to do calls lol
Thanks in advance
Sent from my SM-N950F using Tapatalk

Try another sim card, just in case

I have tried a new sim card also other sim cards from other carriers
But the same problem again
Sent from my SM-N950F using Tapatalk

U can try different csc... That may help....

soyuz4u said:
U can try different csc... That may help....
Click to expand...
Click to collapse
My original csc is h3g uk
I have tried ins and xef same thing again
Now i am at h3g again latest bootloader and modem
Sent from my SM-N950F using Tapatalk

This may be a problem with ur particular area too... I have this problem at my home with one sim... Other company s sim working just fine... Can u try a diff carrier in the same mobile and verify the results

If this is only occuring in one area. Then there is a very high possibility that the reception in that area is very poor.

I never had any problems with my note 8 or carries until like 2 month ago when i updated to pie beta
My sim card is ok i have tested it the problem is with note 8
The wierd thing is that when it starts dissconecting the voice become robotic if i am om a call
But if im playing a game or whatching youtube when it randomly drops connection is makes a wierd noise like scratching or like an old hdd then it says not registred on network then it comes back to normal until it happens again
And this happens like all the day or 99% when im having a phone call
I tried lineage 15.1 yesterday with dualboot and 0 of this things happend in like 3 hours that i tested
This is why i think it may be a software combination error but i might be wrong
Thanks
Sent from my SM-N950F using Tapatalk

Related

WEIRD! Emergency call only! O_o

This one is pretty *beep* up! The phone was working pretty fine last time I looked at it (30 minutes ago), I put it in my pocket and had dinner (as always), then I took it out to make a phone call and it says just "Emergency call only" instead of showing my phone operator (3 ITA). I tried rebooting, no luck! Still the same.
Strange thing is that it has signal (full) but I can't make/receive calls or use data network. If I go under Settings -> Wifi -> Mobile networks settings and I look for operators it searches and I can see all of them (mine included) but I cannot select it!! Neither mine nor another one (TIM, which is the roaming default one for my operator when there's no signal)...it just says "Unable to connect. Try later".
Weirdest thing of all is that I AM RECEIVING PUSH EMAILS from gmail!!!
Anyone has a clue about this??? Has it ever happened to anyone?
Btw, I'm using zeroblaster rom, which is based on official italian froyo firmware...everything was working so good until ten minutes ago!
Hope I don't have to reflash...
Just got weirder: put my sim on another phone...it registers without problems on the network.
Then put the other's phone's sim on my sgs...it registers without problems.
Then switched again: Emergency calls only
WHAT THE ****??!? (what are we? children? sorry mod...lol)
carlocb said:
Just got weirder: put my sim on another phone...it registers without problems on the network.
Then put the other's phone's sim on my sgs...it registers without problems.
Then switched again: Emergency calls only
WHAT THE ****??!? (what are we? children? sorry mod...lol)
Click to expand...
Click to collapse
Sounds like it may be ur sim card but its weird it would work in another phone. Perhaps its a mix of ur sim and ur rom. A flash may be ur only fix...
Sent from my GT-I9000M using XDA App
yiannisthegreek said:
Sounds like it may be ur sim card but its weird it would work in another phone. Perhaps its a mix of ur sim and ur rom. A flash may be ur only fix...
Sent from my GT-I9000M using XDA App
Click to expand...
Click to collapse
It is WAY weird imho! The weirdest thing being that I'm still receiving gmail's pushes after 5-6 reboots while it keeps saying "emergency calls only".
Also I saw that when the phone boots, while it's loading the launcher, widgets, etc. it gets the connection for like 2-3 seconds it shows my operator (in the lockscreen), then it switches to "emergency calls only"...
I'll wait another hour (maybe as the issue came out of nowhere it'll go away? ) then I'll try reflashing...since I had to change to k9 anyway to fix the /system corruption etc. -.- I'm already backing-up...
Hope the flash will fix this though...it's really a pain in the ***
carlocb said:
It is WAY weird imho! The weirdest thing being that I'm still receiving gmail's pushes after 5-6 reboots while it keeps saying "emergency calls only".
Also I saw that when the phone boots, while it's loading the launcher, widgets, etc. it gets the connection for like 2-3 seconds it shows my operator (in the lockscreen), then it switches to "emergency calls only"...
I'll wait another hour (maybe as the issue came out of nowhere it'll go away? ) then I'll try reflashing...since I had to change to k9 anyway to fix the /system corruption etc. -.- I'm already backing-up...
Hope the flash will fix this though...it's really a pain in the ***
Click to expand...
Click to collapse
the same thing that is happening to me (H3G italy)... really strange
enlightener said:
the same thing that is happening to me (H3G italy)... really strange
Click to expand...
Click to collapse
Sounds like your network (3) is down. Id call them to see what is going on...
enlightener said:
the same thing that is happening to me (H3G italy)... really strange
Click to expand...
Click to collapse
Are you kidding me?? What, right NOW?? Could it be something wrong with H3G? Did you putting sim on another phone? Getting weirder and weirder lol!!!
What rom/firmware are you using??
yiannisthegreek said:
Sounds like your network (3) is down. Id call them to see what is going on...
Click to expand...
Click to collapse
No that's not it, because putting H3G sim on another phone WORKS!!
And anyway, when H3G's down it uses TIM as roaming...this time I cannot even select TIM as operator, it refuses! And normally you can always use tim in roaming if you want (even when H3G has signal...)!
carlocb said:
No that's not it, because putting H3G sim on another phone WORKS!!
And anyway, when H3G's down it uses TIM as roaming...this time I cannot even select TIM as operator, it refuses! And normally you can always use tim in roaming if you want (even when H3G has signal...)!
Click to expand...
Click to collapse
Hmmmm... That is weird alright.
If you purchased your SGS through your carrier H3G I would still call them to report it as there are now 2 of you experiencing the same issue so it cant just be phone related and if it is then they will have to honor your warranty to replace or fix it (both of you)...
It's happening to me too.. i also use H3G Italy on my Galaxy S and i have this issue since around 19:00 this evening with my work SIM card
I have a Tayutama 1.0.0 ROM based on the JPM Froyo ROM.. it's the first time this is happening to me..
lionita said:
It's happening to me too.. i also use H3G Italy on my Galaxy S and i have this issue since around 19:00 this evening with my work SIM card
I have a Tayutama 1.0.0 ROM based on the JPM Froyo ROM.. it's the first time this is happening to me..
Click to expand...
Click to collapse
Well... That is 3 of you so it must be carrier related in some way. Again... Call your carrier and explain what is happening. Explain that when you put the sim into a different device it works ok but in the SGS all you can do is make emergency calls and they should be able to tell you what is going on.
Make sure to post back as I am now interested in seeing what your issue is / was...
carlocb said:
Are you kidding me?? What, right NOW?? Could it be something wrong with H3G? Did you putting sim on another phone? Getting weirder and weirder lol!!!
What rom/firmware are you using??
Click to expand...
Click to collapse
JP5 (i tried another one, don't remember what version but it's the same, it is not firmware related)
in settings->about phone->status it says:
network: 3 ITA
mobile network type: UMTS
service state: out of service
mobile network state: connected (and it works... )
but ... int the status bar it shows "Only emergency calls"...
i haven't tried another phone yet... will do now...
edit: tried my sim on another phone and another sim on my phone.... it works....wtf?
enlightener said:
JP5 (i tried another one, don't remember what version but it's the same, it is not firmware related)
in settings->about phone->status it says:
network: 3 ITA
mobile network type: UMTS
service state: out of service
mobile network state: connected (and it works... )
but ... int the status bar it shows "Only emergency calls"...
i haven't tried another phone yet... will do now...
Click to expand...
Click to collapse
You just answered your own question I think. "service state: out of service" says it all I believe even if the sim cards DO rgister on another phone for whatever reason.
The fact is the they dont register on your Galaxy S so call them and report the issue and they should be able to help you...
Yeah well, you see, that could be a problem because...H3G has a TERRIBLE customer care, lol! Basically the thing is you can't call them...you need to send an email, and an answer will arrive 2-3 days later. That's not good enough for me! If it doesn't get fixed tomorrow I'll go directly to a 3shop and they'll call someone higher to understand this. Hope they fix it soon though!
Anyway...now I have a strong curiosity: could it be JUST the SGS? If so...WHY???? I tried putting the simcard on a Nokia E71 and it works...does anyone have another android phone with H3G? Could it be somehow "system"-related? Because I can't figure out why a specific phone device shouldn't work point-blank with my operator! And that's even a phone they sell themselves!!
Rebooted and now it WORKS! THANK GOD (even if I'm atheist....)
Still would like to know why it did this!
I had a similar problem where if I was in an area with bad reception it would default to emergency calls only. But the funny thing is when I go into the menu settings I can see my carrier and when I try to select it, it says network unreachable. Eventually I would get signal but the tab still says emergency calls only. Tried making calls but it wouldn't allow.
Initially to rectify the problem I rebooted the phone and that worked but got annoying. So I realised that if I left it for a couple of mins whenn it had reception it would fix itself. As of recently (last 2 months) I haven't any problems.
Btw i'm on jpm and my carrier is 3 australia. It's rubbish service
Sent from my GT-I9000 using XDA App
Hello,
Same thing happening to me... It must have something related to signal strength, i went downtown and phone was perfectly fine.
But at home it keeps loosing signal, i dialed *#*#0011#*#* and it shows changing BAND... as if it was searching for service on different bands...
But the thing is, i tried inserting the SIM on other 2 phones and i get a FULL signal, so i guess signal is coming pretty intense here... why is the SGS loosing it? i have no idea...
By the way, i am from Brazil, and that started happening after i flashed my rom to FROYO VJJPA..
me too, has no signal at home but works for another phone.
gentefina said:
Hello,
Same thing happening to me... It must have something related to signal strength, i went downtown and phone was perfectly fine.
But at home it keeps loosing signal, i dialed *#*#0011#*#* and it shows changing BAND... as if it was searching for service on different bands...
But the thing is, i tried inserting the SIM on other 2 phones and i get a FULL signal, so i guess signal is coming pretty intense here... why is the SGS loosing it? i have no idea...
By the way, i am from Brazil, and that started happening after i flashed my rom to FROYO VJJPA..
Click to expand...
Click to collapse
Come on guys help us out!
My battery drains because the cell keeps searching for signal!
gentefina said:
Come on guys help us out!
My battery drains because the cell keeps searching for signal!
Click to expand...
Click to collapse
Same is happening to me. Serive state says out of service so could registering the sim card to phone be the actual isuue?

Not registered on network - no sms or voice but internet ok

Hello
I have a problem with my note that just happened about a week ago now. I get an error message advising "not registered to network'.
THis is preventing me from receiving/sending mms and also receiving/making voice calls. I can however browse internet via 3g with no problem.
my note was bought on o2 contract. I flashed a german version of stock jb 4.1.2 by changing csc to DBT and updating via kies several months ago and its been workin fine up until this point.
To document what i have done so far:
I have tried hard resetting several times now. It keep coming back to german language because of the csc. I have bow changed the CSC to BTU and tried resetting again. It comes back with English lanuage now.
I have put my (o2) Sim in my old galaxy s and i can receive and make calls with no issue. I have also tried putting the wifes (three) sim in my galaxy note and this works fine as well.
So both sims seem to be working and both phones appear to be working but the o2 sim refuses to work properly in the Galaxy note.
I have since contacted o2 who have now sent me a new sim which i have now simswapped, the error persists.
As one final thing i am currently downloading the stock o2 firmware 4.1.2 from samfirmware and will flash it shortly but failing this, does anyone have any idea what might be casuing this. Could the fact i had german csc be preventing the phone from connnecting to uk network ?
Cheers
John.
tried flashing stock uk 4.1.2 firmware .
Still have the problem. Does not work.
anyone have any ideas.
check your emei if its valid
check if when boot get simpin screen
check if simconnectors not damaged
etc.
Sent from my GT-N7000 using Tapatalk 2
baz77 said:
check your emei if its valid
check if when boot get simpin screen
check if simconnectors not damaged
etc.
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
Cheers Baz.
Turns out the imei is the issue. Its been replaced with a generic one when i have updated at some point. So its off to the samsung service center for me.
That sucks, so its blocked in your country.
If they won't fix then cvxcvx can fix it

[Q] N7000 3G Radio failing

I've had my GT-N7000 for about a year. It has been rooted and running various ROMs since I had it and has always worked wonderfully. I had settled on CM 10.1 about a month ago. Since the last 3-4 days I noticed that my 3G signal showed no bars from time to time. Normally, just a quick 'airplane mode' dip and everything would be fine.
2 days ago was still having the same problem and I had to completely turn off and on again to 'maybe' get a signal. If I got a signal, it would only stay there for a few minutes and then disappear.
I changed the SIM card yesterday just to be sure but I still had the same problem. The same SIM card works perfectly well in my GT-I9000 running CM 10.1 as well.
I cleaned the SIM slot contacts, verified the internal antenna wire and even flashed a few modems and still have short lived and intermittent 3G signal. Any idea about what could be happening? Could it be the 3G radio failing on me?
Thanks for any help.
JF.
Anyone?
Does this happen after you move from one area to another? For instance from work to home or Vice Versa?
same problem
Hi there,
I've got the same problem than you. I got my Note 1 year ago, and since few days, I've a problem with the SIM.
On boot or reboot, the SIM is perfectly recognized and works good. I can call without problem, and can connect to the wifi without problem. The problem is when I use 3g, the SIM is not recognize after 1-2 minutes. I mean, I can access internet, do whatever I want, for just a minute or two. After that, the signal drop instantly. I tried:
plane mode: doesn't come back to normal mode cause the phone says there no SIM card
change modem: don't resolve the problem on all XX*** modem for JellyBean
change ROM: I was on German-leaked 4.1.2 Stock ROM, i tried 4.1.2 Switzerland ROM (where I live), 4.1.2 custom ROM and cynogenmod 10.1 (4.2.2). Always the same problem.
Tonight I'll try another SIM in the phone, in the case that the SIM is the problem.
otherwise, I don't know what else to try...
Blancoaguila said:
Hi there,
I've got the same problem than you. I got my Note 1 year ago, and since few days, I've a problem with the SIM.
On boot or reboot, the SIM is perfectly recognized and works good. I can call without problem, and can connect to the wifi without problem. The problem is when I use 3g, the SIM is not recognize after 1-2 minutes. I mean, I can access internet, do whatever I want, for just a minute or two. After that, the signal drop instantly. I tried:
plane mode: doesn't come back to normal mode cause the phone says there no SIM card
change modem: don't resolve the problem on all XX*** modem for JellyBean
change ROM: I was on German-leaked 4.1.2 Stock ROM, i tried 4.1.2 Switzerland ROM (where I live), 4.1.2 custom ROM and cynogenmod 10.1 (4.2.2). Always the same problem.
Tonight I'll try another SIM in the phone, in the case that the SIM is the problem.
otherwise, I don't know what else to try...
Click to expand...
Click to collapse
sorry to late reply for this old thread but i have the exact same problem now and i got here searching for solution..
how did you fix your phone please??
Salamonti said:
sorry to late reply for this old thread but i have the exact same problem now and i got here searching for solution..
how did you fix your phone please??
Click to expand...
Click to collapse
You're ****ed if it's the same problem! I tried a lot of technique and the one I warn you about is changing the RIL. Useless waste of time and ****ed up everything. At the end I tried an app available on the play store for thé modem, can't remember which one. But hey, you're on the track!
Good luck
Blancoaguila said:
You're ****ed if it's the same problem! I tried a lot of technique and the one I warn you about is changing the RIL. Useless waste of time and ****ed up everything. At the end I tried an app available on the play store for thé modem, can't remember which one. But hey, you're on the track!
Good luck
Click to expand...
Click to collapse
Are you sure it is the radio causing the problem and not the antenna? I know on mine, the USB charge port can be a real PITA when it
goes bad, and I had to buy about 3 before I found one that worked properly. With the wrong one, the radio signal would fluctuate all
over the place, so that's why I wonder if it could be a bad antenna/connection/board problem, since it is contained on the same
board as the USB port?
Blancoaguila said:
You're ****ed if it's the same problem! I tried a lot of technique and the one I warn you about is changing the RIL. Useless waste of time and ****ed up everything. At the end I tried an app available on the play store for thé modem, can't remember which one. But hey, you're on the track!
Good luck
Click to expand...
Click to collapse
p51d007 said:
Are you sure it is the radio causing the problem and not the antenna? I know on mine, the USB charge port can be a real PITA when it
goes bad, and I had to buy about 3 before I found one that worked properly. With the wrong one, the radio signal would fluctuate all
over the place, so that's why I wonder if it could be a bad antenna/connection/board problem, since it is contained on the same
board as the USB port?
Click to expand...
Click to collapse
I had an update..
I figured out that when i change the network mode to GSM ONLY it runs very well and never drops network signal or get the NO SIMCARD message..
but when i change the mode to AUTO or 3G/CDMA it drops network and gets NO SIM CARD after a few minutes !!
still don't know the reason & still searching
Let's talk about this problem. Mine is similar. Not getting errors with aim card but when i place or receive calls while in wcdma mode, conversation is normal at first place, then after few seconds i can not hear other side, and other side cannot hear me, sometimes that call ends and that is it. On gsm only, calls work normally, but internet is not working, while in wcdma internet works... pretty nasty issue. I tried flashing different roms, tried several modems to flash, problem is not disappearing, but from modem to modem i can see improvements. Sometimes it does not drop at all... can you help me with this?

Mobile data stops working after a while - SM-N920C

Hi everyone. need your advice and opinion.
I am using Note 5 902C for couple of months now. Uptill now, i was using only 1 SIM and the phone was working absolutely fine. Once i inserted a secondary SIM it has developed some odd behavior.
1. this happened once that i stopped receiving calls. when i was told that people are looking for me, i restarted the phone and suddenly i got tons of missed call alerts. no idea why it happened. The problem didn't occur again as yet.
2. more frequent problem is that from time to time, 4G stops working. It only shows uploading arrow but no download. i have to check it constantly to make sure things are working. Whenever this happens, i do the reset via airplane mode. After coming back to life, it starts working again.
Kindly advise what to do? i am not even sure this is because the second SIM.
Waiting for your advise.
Thats such a coincidence, I was googling this exact same problem today and when I did not find anything about it, I thought it might have been a problem with my network. I am having the exact same problem of the 3G turning off and only showing the upload arrow, except my Note 5 is the single SIM variant not the dual one.
kiss_my_asthma_99 said:
Thats such a coincidence, I was googling this exact same problem today and when I did not find anything about it, I thought it might have been a problem with my network. I am having the exact same problem except my Note 5 is the single SIM variant not the dual one.
Click to expand...
Click to collapse
so if you having the same issue with single sim, that mine is prolly not because of dual sim.
amnd79 said:
so if you having the same issue with single sim, that mine is prolly not because of dual sim.
Click to expand...
Click to collapse
Nop, I don't think it has anything to do with it. A software bug maybe?

K20 Pro VoLte call drop on Sim 1

Hi dear friends,
I have a Chinese K20 Pro with unlcoked bootloader and running india firmware 10.3.5.0
Previously I had Huawei Mate 10 Pro working with VoLte flawlessly. but my K20 Pro VoLte option was not present in the menu so i searched a little bit and find following code to re enable the option *#*#86583#*#*
After enabling the volte, to be sure that if it really works, i tested avalablity of internet data when i was talking to someone and it was ok.
But from 2 days ago there were several(if not all the time) that when i got a call or when i call someone just seconds after connecting the connection dropped 4g volte icon disappears and mobile signals goes grey with cross icon on it and after just a seconds it turned on again, it was like i pulled out the sim and insert it again.
I have not any problem if i turn off volte option and i was almost sure that the problem is some incompability between my phone and operator volte but i tried something else too, i switched the sim from sim1 to sim2 and with volte on i don't have any problem so i got confused do i have hardware problem?
Any idea?
Same on me, Telenor Bulgaria.
Krasimir said:
Same on me, Telenor Bulgaria.
Click to expand...
Click to collapse
So it worked for you before but now you have the same problem as me? Or you always have the problem?
Also did you have the same situation with the sim slots?(one is ok another not ok)
Yes, it's working fine last week. I will try swaping cards. Maybe it's a software related, updated to last beta from xiaomi.eu on saturday. Problem arrived after that.
Krasimir said:
Yes, it's working fine last week. I will try swaping cards. Maybe it's a software related, updated to last beta from xiaomi.eu on saturday. Problem arrived after that.
Click to expand...
Click to collapse
Please swap the sim cards and test, it is almost 2 days that volte on sim 2 is working ok.
Edit 1: it is almost 4 days that i use my phone with volte ON using sim 2 no call drop no problem, can anybody confirm the same behaviour?
It was same with me, also Telenor Bulgaria.
I switched to sim 2 after reading here a few days ago and the problem seems to be resolved.
Before I had to restart the phone in about 2 days, because I just stopped hearing the person who calls me. Or switch to 3G. But to use VoLte again I had to restart. It just happened every other day...
Now everything seems to be fine... with that problem.
I still have the problem of not being able to use the Google Assistant to unlock my phone and can't turn on location history on Google maps.
I guess it's because of the Chinese ROM.
Anyway thanks for showing me a way to use VoLte less struggling
fankata said:
It was same with me, also Telenor Bulgaria.
I switched to sim 2 after reading here a few days ago and the problem seems to be resolved.
Before I had to restart the phone in about 2 days, because I just stopped hearing the person who calls me. Or switch to 3G. But to use VoLte again I had to restart. It just happened every other day...
Now everything seems to be fine... with that problem.
I still have the problem of not being able to use the Google Assistant to unlock my phone and can't turn on location history on Google maps.
I guess it's because of the Chinese ROM.
Anyway thanks for showing me a way to use VoLte less struggling
Click to expand...
Click to collapse
Glad that it helped, but it is strange problem
By the way i didn't use chinese rom, i am using indian rom which is almost the same as global rom but the device by default was from china and was running chinese rom, my theory is that devices came from china have some incompability with the bands or volte with other countries...
Volte disappearing and data & voice calls get disconnected.
I bought my k20 pro last month & last week all of a sudden volte got disconnected & appeared again.
Then after few moments my friend called me and all of a sudden call ended & I saw No network on the screen & after a few seconds volte was enabled again automatically.
At , First I thought it was just data or APN problem.
Then the things got worse when I was playing PUBG game and volte disappeared again and same thing happened again and again every 6 to 7 minutes .
I am frustrated of this , can you get me out of this mess , can you tell me what should I do to solve this issue
Thank you
Munyb said:
I bought my k20 pro last month & last week all of a sudden volte got disconnected & appeared again.
Then after few moments my friend called me and all of a sudden call ended & I saw No network on the screen & after a few seconds volte was enabled again automatically.
At , First I thought it was just data or APN problem.
Then the things got worse when I was playing PUBG game and volte disappeared again and same thing happened again and again every 6 to 7 minutes .
I am frustrated of this , can you get me out of this mess , can you tell me what should I do to solve this issue
Thank you
Click to expand...
Click to collapse
It seems nothing we can do about this, just disabling volte solves the problem.
My guess is that K20 Pro modem is optimized for China's cellphone towers so volte is not quite compatible with other countries. it is just my guess.

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