[Q] No signal problem - Galaxy 3 General

Hi all! I'm experiencing a serious problem with my I5800. Suddenly I'm unable to connect to my carrier network, no signal at all. I was using Kyrillios till now, but it is still not working after i flashed a stock JPF. I tried everything, different versions of stock and Kyrillios, clearing data and cache, using another SIM from other carriers. No matter what I do my phone is unable to connect to the phone network. Searching in the forums i found others facing this problem after using Kyrillios for some time... but no solution worked. So basically now I have a "dead" phone... Any help? Someone with the same problem?

Try to choose a different network operator. Go to Settings -> Wireless and network -> Mobile networks -> Choose network operator. Try all options and see if any of em work.

I can see all my country networks, but when i choose mine the popup says registered and after some mins a red sign appear in the bar "No service (my carrier name)". I tried other carriers but I can't use others with my sim. Also i tried other sims as i said of other carriers and they all ahve the same problem. In other phone they all works normal.
I'm wondering if the Kyrillios ROM can damage the antenna or something like that. It could be a serious issue caused by it.

Nah I don't think it does. Not physically at least.
Try flashing an eclair rom, preferably the one which you had originally. Maybe that'll help. Or some ROM, just so you can be sure it works at least with some ROM. Then we can start thinking of new solutions

I tried many eclair and froyo now. It don't connect to the network. No ROM works.

matrixino said:
I tried many eclair and froyo now. It don't connect to the network. No ROM works.
Click to expand...
Click to collapse
it might be some imei related problem?? :S

matrixino said:
I tried many eclair and froyo now. It don't connect to the network. No ROM works.
Click to expand...
Click to collapse
I suggest flash the stock rom which you originally had and take it to samsung service..

Giosiken said:
it might be some imei related problem?? :S
Click to expand...
Click to collapse
thats can be it. i changed it to all 0 and after some mins it connected. long story short: i won a lawsuit against them for privacy violation (thet had to pay circa 70k euro) so i suppose they blocked my phone bought from them as revenge. (vodafone)
Sent from my Galaxy S using tapatalk.

Related

Your SIM card does not allow a connection to this network

I'm curious to know if anyone with a non t-mobile g1 experienced the same.
My phone was working fine this morning until it stop being able to register on the network with the above error. The only thing I did with it this morning was to put on a screen protector. I doubt it's related
A reboot in recovery mode and a wipe fixed the network registration issue so I guess some data were corrupted.
Hi.
I have the same problem now. Have tried to hardreset but still No service..
Can you help me??
avastdh said:
Hi.
I have the same problem now. Have tried to hardreset but still No service..
Can you help me??
Click to expand...
Click to collapse
Just get a new sim card
I have the same problem now - but it is extremely frustrating and I have tried, since I first wrote what is below to downgrade - but cupcake will not let me.
I have an unlocked - but also unrooted G1. I use it in Europe and in the US. While in Europe I got the message to upgrade and without thinking I did. Then while in Europe I could no longer use the phone as a phone. The update went fine and I had ‘cupcake’ but any SIM I put in (T-mobile, BASE etc) there was no signal and when I went to do it manually I got the message “your SIM does not allow a connection to this network”
So I did a hard reset, but then I could not get pas the start screen since I had no data connection (but I did seem to have phone connection again.
In a layover in Atlanta I tried again - I was able to log in and set up and all was great and good. I should note that I have an old data plan and use an alternative APN to access data. This worked fine in Atlanata where there is 3g connection.
Back home no win Florida… no phone service - same as in Brussels. same message. Worth noting - there is no T-mobile 3G service where I live.
After thinking about this for a while I am wondering if somehow I did not get the correct or full radio update…
if this is true - do you have any idea how to remedy the situation or how I would know if this is the problem?
I appreciate any help.
I have the same problem, any news about this?
I had this issue randomly about a week ago. Reboots didn't work, and I really didn't want to go through a wipe/re-flash. I called T-Mobile, they had me reboot [after I told them I had already done it] --- they ended up deleting me from the network and reboot my phone again, which apparently re-registered me on their network.
This is on T-Mobile US (SW Ohio to be specific)
Does anyone has any news about that? I was told that this might be a radio issue, so I tried to downgrade my celphone to version 62.33.20.0H_1.22.12.29, (using fw 1.0 too), it worked for some time then suddenly it gave me the same error that my sim card it's does not allow to this network, so I forced, again, to my network and the same message appear, I tried this sim in another celphone and worked, I tried another sim on my G1 and it didn't worked, this celphone was working when I lived in the US, but here in Brazil it's not working just like there.. my guess is that the Radio in other countries has any bug, does anyone here was able to fix that? any further advice?
thanks.
weird, i have this issue tonight on one of my unlocked g1's that would normally be working on ATT.
I'll update this post if/when I find a cure.
ohgood said:
weird, i have this issue tonight on one of my unlocked g1's that would normally be working on ATT.
I'll update this post if/when I find a cure.
Click to expand...
Click to collapse
I've been having the same issue of and on for a couple of months now with a G1 on Dutch T-mobile with dutch T-mobile SIM card, which is odd. Running CM mods so maybe the fact that i'm runnig non stock fw causes this?
I get this problem from time to time. Almost never around town where coverage is good, but when I'm on the road in a lot of places where coverage from any provider is poor this happens, especially if it keeps having to switch back and forth between roaming and not roaming. I even get this on T-Mobile and they are my provider. Usually a reboot fixes it, but not always. I've never had it last more than an hour though.
Try reflashing the radio on your phone. Sometimes this helps solve odd connection issues.
beav_35 said:
Try reflashing the radio on your phone. Sometimes this helps solve odd connection issues.
Click to expand...
Click to collapse
according to my tries, this isn't related at all. i'd like to check in on this thread and see a known fix instead of maybes.
Had the same problem
I had this problem about a month ago, apparently simcards can go bad after a while; I had the same simcard for 5 years and it became unreadable. I went to a t-mobile dealer, bought a new simcard for $20, and I was finally able to get my connection back. It's a bit of an expensive route, but at least I didn't have to replace the entire phone.
xxvtcxx said:
I had this problem about a month ago, apparently simcards can go bad after a while; I had the same simcard for 5 years and it became unreadable. I went to a t-mobile dealer, bought a new simcard for $20, and I was finally able to get my connection back. It's a bit of an expensive route, but at least I didn't have to replace the entire phone.
Click to expand...
Click to collapse
my att sim is 4+ years old, but works fine in all but one phone in question, with the above error. also, I have a brand new tmo sim that throws the same error, only on that one phone- which leads me to believe its not a sim CARD problem at all.
all my phones are unlocked, in case of weird problems with any gsm carrier.
Looking at your sig, is this one of the phones with gnav? Because some of the earlier techniques of installing gnav have resulted in a "no service" signal. If it is one of the phones with gnav, try pushing the old build.prop files back into the phone.
xxvtcxx said:
Looking at your sig, is this one of the phones with gnav? Because some of the earlier techniques of installing gnav have resulted in a "no service" signal. If it is one of the phones with gnav, try pushing the old build.prop files back into the phone.
Click to expand...
Click to collapse
gave it a shot, used the normal build.trout... and same results. surely someone at tmobile is familiar with this problem ?
Same issue.
I am running cyanogenMod-4.2.12.2 with radio v. 2.22.19.26I on a t-mobile mytouch. I will lose service and the phone will not automatically reconnect to the network. When I manually select my network (wind mobile) it sometimes connects fine and sometimes I get a "your sim card does not allow a
connection to this network" error and must reset. I found this thread code.google.com/p/android/issues/detail?id=2845 where dozens of people running all different hardware (G1-hero) and all different software (stock cupcake, cyanogen, etc) all experiencing same problem. It seems this problem is happening regardless of the network (T-mobile, vodafone, orange & wind mobile). The problem seems to be happening through all different variables. Changing sims does not seem to fix it. Anyone have any ideas, this is very frustrating.
I've seen this issue as well, with the new Canadian provider Wind Mobile.
The issue seems to coincide with new towers being added onto the network. There are minor service disruptions that result in the network being temporarily screwed up. Going into and out of airplane mode seems to fix it every time.
Also note: These minor service disruptions do NOT ONLY affect my phone, but others (different brands) as well.
They've gotten better at adding towers without blowing up the whole network. It started out happening a few times every day. In the last week it happened only once.
Funny observation: When this happens, the DATA SERVICE recovers automatically, even though the signal gauge remains in X-no service mode. This part is probably android and/or dream related.
It is related with network
I've started to have the same issue tonight. I've rebooted several times and changed the SIM card with another from another operator but nothing helped.
Then i remembered that since I bring this phone from Belgium to Turkey, the regulations in Turkey requires the phone to be registered with its IMEI number to the telecomunications supreme board.
Altough i had initiated the registration process months ago, i thought that there may have been a problem with the registration, so i checked the boards web page.
It turned out that my IMEI is not registered and this most probably is the reason for the not allowed connection.
Tomorrow i will try to reach the board officials and i hope it solves the issue.
do you know what happened? i having the same issue right now and cant seem to find a way to solve it..

[Q] HELP!! No More Network connection or network Samsung Galaxy S4

Hi there,
I have big problem, i think i f#cked up my s4 because of rooting..
Now i can't call anymore, also no internet/data connection no incoming calls.
Now i have a new SIM card but it still doesnt work, my SIM card can not register on the network provider.
So please who can help me with this? I'am now trying for over a week now but still nothing....
Thnx in advance!
First, check your apn. Then provide more info. What firmware are you on? How did you root it,etc.
BG102 said:
Hi there,
I have big problem, i think i f#cked up my s4 because of rooting..
Now i can't call anymore, also no internet/data connection no incoming calls.
Now i have a new SIM card but it still doesnt work, my SIM card can not register on the network provider.
So please who can help me with this? I'am now trying for over a week now but still nothing....
Thnx in advance!
Click to expand...
Click to collapse
rooting will not kill your network connection. that's something that you did. you need to provide a LOT more information in order to have people help you out,
what ROM are you on, what settings did you change, what mobile carrier are you on, etc. etc. this is a simple fix, but we need to know what caused it first. :good:
jakew02 said:
rooting will not kill your network connection. that's something that you did. you need to provide a LOT more information in order to have people help you out,
what ROM are you on, what settings did you change, what mobile carrier are you on, etc. etc. this is a simple fix, but we need to know what caused it first. :good:
Click to expand...
Click to collapse
Sorry guys im kinda n00b in this scene..
But what i know is this:
Android Jellybean 4.3
Mobile provider: Tele2
And mobile settings i didn't change..
I rooted with Odin and CF Root.
Didn't install any other rom or anything.
From one moment in another the network was gone and till today i cant connect to it.
Please help!!
I need my phone for my work...
In settings, wireless and networks, more, Mobil networks, access point names make sure something is checked there.
BG102 said:
Sorry guys im kinda n00b in this scene..
But what i know is this:
Android Jellybean 4.3
Mobile provider: Tele2
And mobile settings i didn't change..
I rooted with Odin and CF Root.
Didn't install any other rom or anything.
From one moment in another the network was gone and till today i cant connect to it.
Please help!!
I need my phone for my work...
Click to expand...
Click to collapse
Try re adding the APNs for your carrier
Sent from my Nexus 5 using Tapatalk
jakew02 said:
Try re adding the APNs for your carrier
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I also tryed that several times but nothing...
The SIM card can not register to my network has it something to do with the imei??
IMEISV: 01
Kernel version: 3.4.0-1715731
[email protected] #1
Buildnumber:
JSS15J.I9505XXUEMI8
Baseband Version:
I9505XXUEMI8
Never give out your imei number
Well the person above me said it. You just made a mountain out of a mole hill by giving out your imei to everyone on xda. Anyway, have you tried a factory reset? If that doesn't work take it to Best Buy and tell them Kies wrecked havoc on your device and they can re-flash your phone for free. Don't tell them it was your fault.
Sent from my SAMSUNG-SGH-I337
ToastyyX said:
Well the person above me said it. You just made a mountain out of a mole hill by giving out your imei to everyone on xda. Anyway, have you tried a factory reset? If that doesn't work take it to Best Buy and tell them Kies wrecked havoc on your device and they can re-flash your phone for free. Don't tell them it was your fault.
Sent from my SAMSUNG-SGH-I337
Click to expand...
Click to collapse
Don't think that's going to work. Going by his baseband he has an i9505.
jd1639 said:
Don't think that's going to work. Going by his baseband he has an i9505.
Click to expand...
Click to collapse
Yes i have an I9505
But is there a solution to fix this???
Please help!!! I'm really sad that this happend.. can do nothing on my phone
BG102 said:
Yes i have an I9505
But is there a solution to fix this???
Please help!!! I'm really sad that this happend.. can do nothing on my phone
Click to expand...
Click to collapse
I don't know what the problem is but you should be able to flash the stock firmware in Odin and get your phone working again. Double check this in the i9500, i9505, i9505G S4 forum. You can get the stock firmware from sammobile.com
jd1639 said:
Don't think that's going to work. Going by his baseband he has an i9505.
Click to expand...
Click to collapse
Samsung can't re-flash his phone??
Sent from my SAMSUNG-SGH-I337
ToastyyX said:
Samsung can't re-flash his phone??
Sent from my SAMSUNG-SGH-I337
Click to expand...
Click to collapse
He should be able to flash it himself. The i9505 is not locked down like the i337. It's an international version so he probably can't take it to best buy, which is what I was responding to.
Sent from my Nexus 5 using xda app-developers app
Oh duh... Have a point there.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Data enabled, but no internet connection
Hello,
I have the stock rooted i337 (AT&T), running on another provider network. I am aware that i337 is very difficult to do modifications due to the built-in by AT&T vicious locks to prevent using it with other network providers. This is the reason I did not flash ROM, because I am afraid to get my phone bricked and lose it entirely. Recently I subscribed to a data plan from a third party provider and I have 4G in the status line and HSPA in the data type, but I still did not have internet connection when WiFi was disabled, except that my Hotmail somehow worked. No other apps requiring internet worked. I spent a week researching the issue myself as well as working with the provider's tech support, but nothing worked. Two days ago, almost out of despair, I installed a new app called Opera Max, which is developed to route the unencrypted data to their Virtual Private Network in order to compress it and save the data use. As soon as I connected to VPN, all applications started working. I still have to turn Opera Max off when I use WiFi, because it disconnects my WiFi every few minutes, claiming that WiFi signal is too low. (My signal is very strong and no other devices have any issues with WiFi). However, this is a minor problem, considering that Opera Max saved my data plan.
It is still a mystery to me why Hotmail worked, but no other apps and why using Opera Max VPN solved the problem. If anybody has ideas, I will be happy to hear.
I must say that all data settings, including APN are checked, rechecked and correct, so this was not the issue.
Thanks,
Dan
I am also having connection issues after rooting my S4 i9505:
I am on a Telcel (Mexico) which is supposed to support 4G connections... However, ever since I rooted I can only access 2G/GSM networks. I have the official APN network configuration and I have tried two roms but still no luck...
Any advice would be most welcome.

S4 I9505 no 3G but only G

hello all
bought the second hand phone with this network issue.
after trying some roms, wifi fixes, network fixes, root settings, finally stopped on pyrana rom but during all those, couldnt find out what could be the reason for the mobile network.
and also realized that the imei number is not same as behind, could that be the reason? any chance to change that? or any tips to get 3G?
using tele2 in Holland, used my sim in another phone, 3G working
also used another sim from Tmobile in this phone, again only G no 3G.
thanks from now
link for the screenshot (coudlnt put the full link bcoz of being new here)
i.imgur.com/TIeKTbF.jpg
difficult question?
Vedaturka said:
difficult question?
Click to expand...
Click to collapse
Goto Settings, tap the Connections tab, goto More Networks, then tap on Mobile Networks. What does your Network Mode say?
Are you on GSM only or are you on either LTE/WCDMA/GSN (Auto connect) or WCDMA/GSM (Auto connect)?
If you're on WCDMA, it could possibly be an access point problem, or maybe a modem issue?
thanks for trying to help man. im on lte/wcdma/gsm auto...
just flashed to omega v28 4.4.2 but again no luck... still only G
Vedaturka said:
thanks for trying to help man. im on lte/wcdma/gsm auto...
just flashed to omega v28 4.4.2 but again no luck... still only G
Click to expand...
Click to collapse
Have you checked your APN? Is it set up correctly?
Where it says More Networks, tap on Access Point Names and check yours is set up correctly.
You should be able to find the APN details online through google
yep.. did that auto, manual, copying from another phone, didnt work. and the imei is still diffrent than the one behind the phone. still thinking that could cause the problem. :/
change device for solving problem
erwinjmalmsteen said:
change device for solving problem
Click to expand...
Click to collapse
i wish i could do that just as easy as you say
Looking on Google, it seems some people have had a bit of luck with this issue after doing a Manual Roam.
That involves going into Settings, More Networks, Mobile Networks then tap Network Operators. Wait for it to scan and then choose another network to try and connect too. It'll fail. Then go back and do it again, but this time select your network operator and it'll connect.
It's worth a try?
Brownie2k said:
Looking on Google, it seems some people have had a bit of luck with this issue after doing a Manual Roam.
That involves going into Settings, More Networks, Mobile Networks then tap Network Operators. Wait for it to scan and then choose another network to try and connect too. It'll fail. Then go back and do it again, but this time select your network operator and it'll connect.
It's worth a try?
Click to expand...
Click to collapse
i tried, found 3 providers network, connected and then returned to mine, didnt work. im still thinking that the imei has something to do with it.
thanks for trying again man. appreciate it
Vedaturka said:
i tried, found 3 providers network, connected and then returned to mine, didnt work. im still thinking that the imei has something to do with it.
thanks for trying again man. appreciate it
Click to expand...
Click to collapse
Did you say that the IMEI number shown in Android is different than the one printed behind the battery?
If so, that says to me that the phone was once reported stolen at one point, blacklisted and someone has changed the IMEI number to get it off the blacklist and back on the network.
Brownie2k said:
Did you say that the IMEI number shown in Android is different than the one printed behind the battery?
If so, that says to me that the phone was once reported stolen at one point, blacklisted and someone has changed the IMEI number to get it off the blacklist and back on the network.
Click to expand...
Click to collapse
wow never thought that.. so how am i turning it back to the original imei? any idea? i searched for that too, but no luck.. im stucked with this.. paying for 3g but getting only g and its taking ages even to connect to google.com...
Vedaturka said:
wow never thought that.. so how am i turning it back to the original imei? any idea? i searched for that too, but no luck.. im stucked with this.. paying for 3g but getting only g and its taking ages even to connect to google.com...
Click to expand...
Click to collapse
Well, the IMEI number behind the battery will be the phones proper IMEI number.
I think the only way you'll find out if it's been reported stolen is to contact your network and give them the IMEI on the phone (behind the battery) and ask them. Or you could pay for an online check. I'm sure theres a few companies that offer online checks. Keep in mind if the original IMEI is blacklisted, you won't be able to get it removed. Only the person who reported it stolen, and can provide proof it was theirs when it was reported can get it removed.
I'm not too sure how you'd go about changing it back to it's original IMEI, but if the original IMEI has been blacklisted, then as soon as you do change it back, you won't be able to use your phone at all. All data/voice services will stop working.
Brownie2k said:
Well, the IMEI number behind the battery will be the phones proper IMEI number.
I think the only way you'll find out if it's been reported stolen is to contact your network and give them the IMEI on the phone (behind the battery) and ask them. Or you could pay for an online check. I'm sure theres a few companies that offer online checks. Keep in mind if the original IMEI is blacklisted, you won't be able to get it removed. Only the person who reported it stolen, and can provide proof it was theirs when it was reported can get it removed.
I'm not too sure how you'd go about changing it back to it's original IMEI, but if the original IMEI has been blacklisted, then as soon as you do change it back, you won't be able to use your phone at all. All data/voice services will stop working.
Click to expand...
Click to collapse
i checked the imei writing in the phone, and here is the result
imei.info/phonedatabase/2500-sony-ericsson-k530/ (copy paste pls. i cant send the link because im new here)
i actualy have a sony ericson which i didnt know
maybe the provider is seeing my phone as sony ericson, and that phone doesnt support 3G... hmmm now i have to find a way to change the imei.
if its reported, then i come back to this
That's your problem right there. Your phone has likely been reported stolen in the past and someone has changed the IMEI to allow it back on the network.
It's possible that the phone who's IMEI has been taken doesn't support 3G so network isn't providing it to your phone.
Sent from my GT-I9505 using XDA Premium 4 mobile app

[Q] SM-G906K audio problems while calling: how solving?

Goodmorning to all,
I am Loris from Italy writing: I am new here and I am not sure I am doing right so, if I am wrong writing something, please tell.
After this I can tell you my problem: I bought a SM-G906K, Samsung Galaxy S6 Prime from Korea as you know, and I soon had problems while calling: if I am calling or receiving a call, sometimes soon, sometimes after some seconds, sometimes after some minutes, or sometimes it does not happen, I can not see anymore person speking on the other phone, but note: they can hear me.
I already try to call even with Skype, and it seams there is no problem: audio is ok even while reproducing video and so on. I tried making calls in emergency mode too, just to understand if some app could be bad, but I have the same problem, always and ony with calls.
What could I do? Please help me, if it is possible.
I am using a 4G Vodafone MICRO SIM card.
Best regards
Loris
loris.filtrading said:
Goodmorning to all,
I am Loris from Italy writing: I am new here and I am not sure I am doing right so, if I am wrong writing something, please tell.
After this I can tell you my problem: I bought a SM-G906K, Samsung Galaxy S6 Prime from Korea as you know, and I soon had problems while calling: if I am calling or receiving a call, sometimes soon, sometimes after some seconds, sometimes after some minutes, or sometimes it does not happen, I can not see anymore person speking on the other phone, but note: they can hear me.
I already try to call even with Skype, and it seams there is no problem: audio is ok even while reproducing video and so on. I tried making calls in emergency mode too, just to understand if some app could be bad, but I have the same problem, always and ony with calls.
What could I do? Please help me, if it is possible.
I am using a 4G Vodafone MICRO SIM card.
Best regards
Loris
Click to expand...
Click to collapse
Put your sim card into another phone and test to see if the problem persists?
That maybe the problem of the network, not your phone.
vndnguyen said:
Put your sim card into another phone and test to see if the problem persists?
That maybe the problem of the network, not your phone.
Click to expand...
Click to collapse
Goodmorning and many thanks for your answer: I already did that, I already changed 3 sim card too, but the problem is going on: with my old SIII all the sims are working as well. Maybe could something work wrong between network and the phone connectivity? From Korea they told me there would not be any problems at all ... but I am seeing it is not like that.
Anyway sometimes I can do calls of 5/10 minutes without problems...so it is strange it is a network issue, is not it?
loris.filtrading said:
Goodmorning and many thanks for your answer: I already did that, I already changed 3 sim card too, but the problem is going on: with my old SIII all the sims are working as well. Maybe could something work wrong between network and the phone connectivity? From Korea they told me there would not be any problems at all ... but I am seeing it is not like that.
Anyway sometimes I can do calls of 5/10 minutes without problems...so it is strange it is a network issue, is not it?
Click to expand...
Click to collapse
I said that may be a network problem. As you have tested with another phone without problem, I doubt that is the problem with your phone.
Try to factory reset to see if it helps? If not, it maybe a hardware fault.
vndnguyen said:
I said that may be a network problem. As you have tested with another phone without problem, I doubt that is the problem with your phone.
Try to factory reset to see if it helps? If not, it maybe a hardware fault.
Click to expand...
Click to collapse
I meant maybe problem between this Korean device and Italian network: could not it be? Have anyone had any experience about this?
I already tried to factory reset by Kies many times but it does not help, and I noted that updates remained on firmware, they were not brought at factory state. If it is a hardware fault I think I'd have this problem with Skype calls too or other programs, is not it? Luckly, or not, this is the only situation I can not hear from the other line ... I really do not know what to do ...
Could it be it is the mark Olleh giving problems? Maybe using a G906 not K (I think this is properly for Prime Special Edition) but S it could work good: don't you think so? K and S are the same, is not it?
loris.filtrading said:
Could it be it is the mark Olleh giving problems? Maybe using a G906 not K (I think this is properly for Prime Special Edition) but S it could work good: don't you think so? K and S are the same, is not it?
Click to expand...
Click to collapse
Call your WIFI provider and ask them to change the channel. Mine was set on AUTO and calls were delayed up to 4 hrs. When they changed the channel (to 11) my phone worked as it should. May not be your problem but something to try.
nrthwds said:
Call your WIFI provider and ask them to change the channel. Mine was set on AUTO and calls were delayed up to 4 hrs. When they changed the channel (to 11) my phone worked as it should. May not be your problem but something to try.
Click to expand...
Click to collapse
But if I am not wifi connected I had the problem too ... I am trying this but I do not know if it is the right solution. At the moment many thanks for your idea ...
Excuse me but what do you mean by "calls were delayed up to 4 hrs"?!
Could it be the solution changing the CSC? Maybe deleting KTC and using another key it could work ... any idea?
loris.filtrading said:
Could it be the solution changing the CSC? Maybe deleting KTC and using another key it could work ... any idea?
Click to expand...
Click to collapse
As the problem happens randomly, I can not tell exactly what may cause the issue.
Changing the CSC or flashing another firmware is a good idea to eliminate all software-related issues.
If you want to change the CSC, install Phone INFO ★Samsung★ app > Menu > Other Tools > CSC Changer.
(Note: That feature requires root to work).
vndnguyen said:
As the problem happens randomly, I can not tell exactly what may cause the issue.
Changing the CSC or flashing another firmware is a good idea to eliminate all software-related issues.
If you want to change the CSC, install Phone INFO ★Samsung★ app > Menu > Other Tools > CSC Changer.
(Note: That feature requires root to work).
Click to expand...
Click to collapse
Goodmorning, ok many thanks ... now I have to understand the way to do those two passages just to try, but first of all one question: doing this what about warranty? The smartphone is only 2 weeks old so, if I am losing warranty, as first I am trying changing it I think ... let me know ...
loris.filtrading said:
Goodmorning, ok many thanks ... now I have to understand the way to do those two passages just to try, but first of all one question: doing this what about warranty? The smartphone is only 2 weeks old so, if I am losing warranty, as first I am trying changing it I think ... let me know ...
Click to expand...
Click to collapse
Flashing the stock firmware and changing the CSC will not trip the Knox.
However, changing the CSC may need root to work. If it requires root, make sure to use a root method that does not trip the Knox.
vndnguyen said:
Flashing the stock firmware and changing the CSC will not trip the Knox.
However, changing the CSC may need root to work. If it requires root, make sure to use a root method that does not trip the Knox.
Click to expand...
Click to collapse
Ok I will look for that, hoping to find the solution by this way ... but is not the 4.4.4 or L version arriving so that I could wait for that official? ...
loris.filtrading said:
But if I am not wifi connected I had the problem too ... I am trying this but I do not know if it is the right solution. At the moment many thanks for your idea ...
Excuse me but what do you mean by "calls were delayed up to 4 hrs"?!
Click to expand...
Click to collapse
Calls went to VM, the phone never rang. I wouldn't receive the VM for up to 4 hours later. Messages were delayed, I did not receive the message for 30 minutes from the time the person sent it to me until it finally showed I had a message.
I know it sounds crazy that the WIFI could cause a problem but it did.
Turning off WIFI on my phone did not solve the problem.
When I powered off the router/modem in my home my phone starting working correctly.
Something to try, hope it helps.
nrthwds said:
Calls went to VM, the phone never rang. I wouldn't receive the VM for up to 4 hours later. Messages were delayed, I did not receive the message for 30 minutes from the time the person sent it to me until it finally showed I had a message.
I know it sounds crazy that the WIFI could cause a problem but it did.
Turning off WIFI on my phone did not solve the problem.
When I powered off the router/modem in my home my phone starting working correctly.
Something to try, hope it helps.
Click to expand...
Click to collapse
Goodmorning, surely I am tryin, but I had this problem in places there was not wi-fi ... so I do not think it is changing problems at all ... otherwise I should change something on phone wi-fi maybe ...
Galaxy S5 G906K
Hi,I have exactly the same problem and I can not use the mobile because of this.I leave in Cyprus and I can not hear the person who I try to speak with,sometimes in the middle of conversation,sometimes from the begining or I can speak 5 minutes without any problem.Seems like we have to make some setting for Europe inside in the phone with ☆#0011# and the phone to be rooted first?
This is a problem,if we rooting the phones we losing the warranty but it looks like is no other possibility to escape of our issue.How else?
Galaxy S5 G906K network incompatibilitty
Well,we found out what the problem is with hearing issue while calling.Is comming from the incompatibilitty of the phone hardware network and each country networks providers.Let me explain:Galaxy G906K Lte has only 3G and Lte(4G)networks build inside.So,if you are living in a country who doesn't have 4G install yet or not all over and instead have 2G and 3G only,and this 3G it does not cover all the areas,then when are you not in the 3G antenna area you"ll gonna lose the reception because this type it does not have 2G old GSM network build inside.That means we can not use it in 2G base network countrys.I hope I helped anyone who have this type of galaxy mobile phones.
Unfortunately I have understood you explanation, but before buying it I clearly asked to the seller and they made me sure the device would have worked as well: who told you such this explanation? What site did you buy the S5 from?
Many thank
Loris
Get this
Who told me this?Nobody, is very simple:go on Settings>More networks>Mobile networks>Network setting>RAT mode setting and you will see there Ltd network and 3G network,NO GSM network(2G).So,all the mobiles from Korea are for Korea and other country's which have 3G or Lte(4G)networks.For example Korea have ONLY Lte network. That's why is for Korea and this phone was named Galaxy S5 Lte-A. You must ask refund!

LG G6 Mobile data issue

Hello All.
This may sound like an easy problem to solve and a part of me hopes it is. but im fairly well versed in android and has me baffled.
Phone runs beautifully 870DS. When i leave WiFi, the swith to mobile data takes for ever and then remains super fickle and intermittent. I sometimes do not have any data moving whatsoever (offline dinosaur in chrome level) When i connect to wifi again, all is fine, instantly.
I have full signal (full bars).
Mobile data on.
Switch to mobile data on.
The correct network registered & the correct APN for that network is set.
I have it set to GSM/WCDMA/ LTE auto
I have tried setting RAT set to every possible combo and it still continues!
I read somewhere it could be caused by radio initiation, so i went in *#*#4636#*#* to run a ping test but "phone information" throws up an error "This application does not work on this device"
Im 95% certain it is unlocked because i I bought the phone in another country and just popped my new sim straight in without hassle.
The mobile data issues started almost immediately. Now im stumped as what to do.
Any suggestions would be greatly appreciated and rewarded with beer :good:
THANKS!!!
In Developer Options, try switching on the "Agressive WiFi to Cellular Handover" option.
LPMatt said:
In Developer Options, try switching on the "Agressive WiFi to Cellular Handover" option.
Click to expand...
Click to collapse
Thanks. I will try that and trial run it over the next few days. The issue also occurs randomly while out on LTE or 3G. I will take my phone out to check google or whatsapp and nothing will send. So as your suggestion may be a work around, i doubt it will be a solve.
Will let you know how it goes
deathcells said:
Thanks. I will try that and trial run it over the next few days. The issue also occurs randomly while out on LTE or 3G. I will take my phone out to check google or whatsapp and nothing will send. So as your suggestion may be a work around, i doubt it will be a solve.
Will let you know how it goes
Click to expand...
Click to collapse
No change or improvement to the connection
Bump for anymore help from anyone. Please??
Getting desperate here....
deathcells said:
Bump for anymore help from anyone. Please??
Getting desperate here....
Click to expand...
Click to collapse
Does the phone have the right bands for 4G in your country?
Thanks for the reply!
Not sure, how do i check that?
aioan said:
Does the phone have the right bands for 4G in your country?
Click to expand...
Click to collapse
Thanks for the reply!
Not sure, how do i check that?
deathcells said:
Thanks for the reply!
Not sure, how do i check that?
Click to expand...
Click to collapse
go to settings, system, about phone, hardware info and check the model number.
For example I have LG-H870 (European bands, single SIM model).
I see you have dual sim so probably model H870DS and this should have enough bands to work well in Europe and Asia. Check here:
https://www.teamandroid.com/2017/04/15/lg-g6-model-numbers-variants/
aioan said:
go to settings, system, about phone, hardware info and check the model number.
For example I have LG-H870 (European bands, single SIM model).
I see you have dual sim so probably model H870DS and this should have enough bands to work well in Europe and Asia. Check here:
https://www.teamandroid.com/2017/04/15/lg-g6-model-numbers-variants/
Click to expand...
Click to collapse
Thanks for that. Yes according to this https://www.frequencycheck.com/carr...0ds-g6-dual-sim-td-lte/mtn-group-south-africa
I do have the correct bands. Could a carrier lock only one of the slots rendering it single sim in effect? The one sim works perfectly, second sim, no dice
Sorry for bumping an old thread.
Gf is having a similar issue on her phone; long story short, it happens that sometimes, after being connected to Wi-Fi and turing it off, it takes ages for her to get a mobile data connection, despite having full signal.
I had her replace the SIM, as I've seen similar problems (intermittent data connection, phone appears connected but no Internet available, etc.) with a SIM card that was about to go bad; it didn't help. Next step would be a full phone reset.
@deathcells : did you find the cause of your issue?
@fagentu.xda
No unfortunately not. I just deal with it. Extremely frustrating standing in the shop trying to pay without internet...
I tried the settings and force options to no avail.
I tried using both sim cards (from different providers) in both slots for months and no combination ever worked for me. I have yet to figure out if i bought a dudd phone or if a work around exists. Please let me know what you find out! Thanks and best of luck
Have the same issue with mine now. It started to go bad a few weeks ago... Tried everything. Changed SIM card, factory reset, etc... and nothing will change.
I'd say that the phone is just faulty. As I'm still under the warranty I'm in contact with LG to find out about a possible fix or phone replacement. I'll try to keep you posted.
Have you guys find a solution for this? I cant do anything. Does flashing kdz to andriod 9 pie helps?

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