getting signal with now sim card installed ? - Galaxy S6 Q&A, Help & Troubleshooting

as the title says , am getting a network signal in the status bar with no sim card installed in the device , where it used to show a stop or block sign before when there is no sim installed , don't know when it started but i have noticed it a week ago , and am on the 5.1.1 update ,
what i have tried so far :
1 - reset the device from the setting .
2 - reset the device with samsung smart switch for windows ( which download the latest firmware for the device & install it ) .
3 - installed the factory firmware with odin , and got the device to axiom telecom which is my warranty service provider , and the told me the have changed the whole motherboard , & after telling them the issue is still there , they showed me another s6 with no sim and there is signal and told me that this behavior is normal ( which i don't think so ) .
4 - contacted samsung directly by phone & email , and they told me to reset the device or send it to service ( which i already did ) .
so , is this behavior really normal ? are any of you guys getting this ?
my device : SM-G920F
country : Saudi Arabia

no its not normal
if you type *#06# you gonna find IMEI become 3500000000006/01
if it is then you cant make calls or send sms ( not registered on network )
its the same problem like me i don't know where this come from but we need some one to give us backup the EFS folder. to restore it back to the phone SM-G920F
please if some one can help us thank you

tazaga said:
no its not normal
if you type *#06# you gonna find IMEI become 3500000000006/01
if it is then you cant make calls or send sms ( not registered on network )
its the same problem like me i don't know where this come from but we need some one to give us backup the EFS folder. to restore it back to the phone SM-G920F
please if some one can help us thank you
Click to expand...
Click to collapse
no , it seem we are having different problems ,
*#06# reveals normal IMEI ,
and i can make & receive phone calls & sms if i install a sim card ,
try resetting yours to stock ,
other than showing a signal with no sim card installed the phone is fine & doesn't have any problems .

Speculation- you'd need emergency service call? I would assume that it's allowed to connect to network for that and not have phone disabled?
More speculation- your being spied on...
-Spy
It's only a display icon. You aren't able to still make a regular call without the sim? If it ain't broke don't fix it.
But to ease your mind just check the network status in your settings. Should say what connected to.
Surely it does have to do with the update itself if your phone still functions as normal.
I'm sure there is a network status with the super secret spy codes that you enter on your dial pad. You know the #secretrandomnumber#* codes...
Sent from my SM-G920W8 using XDA Premium 4 mobile app

space_eyes said:
Speculation- you'd need emergency service call? I would assume that it's allowed to connect to network for that and not have phone disabled?
More speculation- your being spied on...
-Spy
It's only a display icon. You aren't able to still make a regular call without the sim? If it ain't broke don't fix it.
But to ease your mind just check the network status in your settings. Should say what connected to.
Surely it does have to do with the update itself if your phone still functions as normal.
I'm sure there is a network status with the super secret spy codes that you enter on your dial pad. You know the #secretrandomnumber#* codes...
Sent from my SM-G920W8 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
it could be there for emergency calls ,
in terms of being spied on , ha ha ,i don't think so , the service center changed the entire motherboard which include the eMMC with it's whole partitions .
the sim card status in the settings says Not Available for everything , and yes i can't make calls nor sms without the sim ,
but you still didn't answer my question : do you get this when you remove your sim ?

no one with a similar problem ??

I've seen it on lots of Samsung phones. It's simply a signal for emergency calls. You have to be able to make emergency calls with or without a Sim and that's telling you how much signal you have.
Seriously people this is pretty simple and no conspiracy.
You only get a circle with a line through if you have a sim card installed that is blocked from the network or the phone is stolen / blocked etc.

Jonathan-H said:
I've seen it on lots of Samsung phones. It's simply a signal for emergency calls. You have to be able to make emergency calls with or without a Sim and that's telling you how much signal you have.
Seriously people this is pretty simple and no conspiracy.
You only get a circle with a line through if you have a sim card installed that is blocked from the network or the phone is stolen / blocked etc.
Click to expand...
Click to collapse
good to hear ,
what made me think it isn't ordinary thing is that the service center didn't know about it & thought it was a problem ,
thanks a lot .

This was done on last update Samsung gods thought we needed to know how much of a signal we had for emergency calls

Having the same problem with my samsung galaxy s6 SM-920F. showing bars on the signals even without sim. not connecting to network operator as well. showing Disconnected status in SIM status from About.
Tried updating the software even downgrading, factory reset and wiping cache but nothing worked.

Found this thread when looking for an answer to this question. In my case, it is a tablet that hasn't even got a sim option but still has the mobile network signal showing, even when airplane mode is switched on. Just worry it is eating some of my battery life. Any ideas?

I am also getting same problem.
There is no sim card inserted in my phone but still it shows the network bars.. Your And my problem is same.

There, an actual answer. Guess I should add it here since I wondered the same thing
a sim card has nothing to do with the transceiver system of the phone. its literally a "passkey" it is your authentication to USE that network. ie you can always SEE the network you just not allowed to "use it" without permission hence the simcard.
Click to expand...
Click to collapse

Related

SIM card error

HI All;
I am facing unique problem
Here is description-
I am from India and using 'Idea' as a network provider.
My cell phone is HTC touch.
Today for some time I switched off my cell phone for couple of hours , and switched it ON for a use. But since I switched it ON i am getting following Status on status bar
'phone off'
'Searching'
'Idea'
and then again
'phone off'
'Searching'
'Idea'
It keeps on happeneing
I did follwowing things
1) Soft Reset my device
2) Hard reset my device
but nothing seems to solve the problem.
Then I removed my SIM card and put it in Nokia device . While switching ON it dispalyed me a message 'SIM ERROR' . But I was able to make a call and receive messages.
Also I put another SIM card in HTC Touch and phone worked perfectly fine.(I was able to make a call and receive messages.)
But when I put my orginal SIM card in my HTC Touch again above mentioned problem start occuring.
Can any body guide me on this..
Thanks in advance
have u tried contacting ur service provider? they can tell u if theres any prob in area, refresh the network sim, check status of sim and poss replace sim.?
yip, im with Davey on that one, sounds like a faulty SIM card, happens rarely but does happen. Get a new one from your provider.

weird network lock?

Hello
I just recently got the optimus 3d. its brilliant!
With the help of this forum I've managed to root and get Clockwork then install thais rom.
amazing speed increase.
But i have just one issue.
My phone was locked to orange uk provider. when i bought the phone I had to call orange to have my phone 'activated'
only after i did that did the phone even receive a signal.
before that it just said emergency call only, or no signal.
now, i've unlocked the phone using a code. it now says no personalization when i check the lock menu.
but: when i insert another sim, vodaphone uk or 3 uk, it says emergency call only or no network.
whats going on?
please help...
thanks
after a search it seems other people also have this issue with no reply.
did anyone else have this problem and fix it?
pauliebb said:
Hello
My phone was locked to orange uk provider. when i bought the phone I had to call orange to have my phone 'activated'
only after i did that did the phone even receive a signal.
before that it just said emergency call only, or no signal.
now, i've unlocked the phone using a code. it now says no personalization when i check the lock menu.
but: when i insert another sim, vodaphone uk or 3 uk, it says emergency call only or no network.
whats going on?
please help...
thanks
Click to expand...
Click to collapse
The activation bit is for the sim card, I have a phone locked to O2 and what happens is you register the sim with them and then they enable it to use their network which is why until then it will say no network.
It is also the reason why if you put any other sim in the phone, and that sim has not yet been used to make calls, you get the same error.
As for the personalisation message on the unlock menu, I am unsure what you mean by the lock menu. I assume you mean the screen you see before you unlock your phone to use it each time, and did a search on google which produced no results but I would guess that if you are using a custom rom the message means you either have not personalised your screen or that the option is there to personalise it but has not been used.
Dave
mistermentality said:
The activation bit is for the sim card, I have a phone locked to O2 and what happens is you register the sim with them and then they enable it to use their network which is why until then it will say no network.
It is also the reason why if you put any other sim in the phone, and that sim has not yet been used to make calls, you get the same error.
As for the personalisation message on the unlock menu, I am unsure what you mean by the lock menu. I assume you mean the screen you see before you unlock your phone to use it each time, and did a search on google which produced no results but I would guess that if you are using a custom rom the message means you either have not personalised your screen or that the option is there to personalise it but has not been used.
Dave
Click to expand...
Click to collapse
unlock menu - where you enter the network unlock code.
i'm trying to use my 3 uk sim, its been on contract for over 2 years.
I know that a lot of unlocked phones wont work with 3, if you google 3 unlock you will find a lot of people have problems and some unlock companies even specify they wont unlock to 3 network but if it does the same with non 3 cards or only works with one operator perhaps the unlock was only partial?
I did a search for pedsonalisation and all I found were various unlock sites saying that a sucessful unlock needs you to have a personalisation menu.
My previous android phone had a device lock and a sim lock, could it be your unlock has only partially worked? Is it only one provider whose network you can access?
Dave
mistermentality said:
I know that a lot of unlocked phones wont work with 3, if you google 3 unlock you will find a lot of people have problems and some unlock companies even specify they wont unlock to 3 network but if it does the same with non 3 cards or only works with one operator perhaps the unlock was only partial?
I did a search for pedsonalisation and all I found were various unlock sites saying that a sucessful unlock needs you to have a personalisation menu.
My previous android phone had a device lock and a sim lock, could it be your unlock has only partially worked? Is it only one provider whose network you can access?
Dave
Click to expand...
Click to collapse
you're being really helpful so i give thanks.
i have tried o2 and vodafone sims in the phone also but to no avail... always says emergency only or no network, with both showing no signal.
would flashing the original orange rom back then retrying the lock code help? as of right now when i go to the unlock menu and click network lock it prompts a message stating my phone has no personalization.
sorry missed out a little bit of info.
the only network that works is orange, it gets full signal and works perfect, but i'd really like to use my contract sim instead of pay as you go extra on orange.
I've done some more searching and found that on a lot of phones that personalisation message means the phone unlock has failed and that after a successful unlock it should say something like "network lock has been personalised".
You do only get a certain number of tries so don't enter the code over and over, if you are sure you entered it correctly it means the code you got just didn't work (I had that when unlocking my previous LG and had to buy a code from somewhere else as the first one didn't work at all).
I am not recommending this site, it's just one that explained how to unlock so am posting a link in case it helps, but the site says you need to enter two codes on an Optimus 3D. One is for network lock and one for service provider lock, I know that some people on the xda forums have unlocked their phones so I hope they will jump in and help solve your problem as really all I can do is google for the bits I am unsure of but it would seem your code did not work, or that you need two codes and only had one.
Dave
mistermentality said:
I've done some more searching and found that on a lot of phones that personalisation message means the phone unlock has failed and that after a successful unlock it should say something like "network lock has been personalised".
You do only get a certain number of tries so don't enter the code over and over, if you are sure you entered it correctly it means the code you got just didn't work (I had that when unlocking my previous LG and had to buy a code from somewhere else as the first one didn't work at all).
I am not recommending this site, it's just one that explained how to unlock so am posting a link in case it helps, but the site says you need to enter two codes on an Optimus 3D. One is for network lock and one for service provider lock, I know that some people on the xda forums have unlocked their phones so I hope they will jump in and help solve your problem as really all I can do is google for the bits I am unsure of but it would seem your code did not work, or that you need two codes and only had one.
Dave
Click to expand...
Click to collapse
just wondering if i could post a video link here to show how it happens, if not, mods can you delete this link:
http://videobam.com/YqMQH
might need to tilt head/computer screen
that was with orange sim, without orange sim it shows no signal and no network... its running thais rom.
heres a video of it using another sim.
when i start the phone with other sim, it prompts whether i'd like to use mobile data or not, but no connection!
pauliebb said:
just wondering if i could post a video link here to show how it happens, if not, mods can you delete this link:
http://videobam.com/YqMQH
might need to tilt head/computer screen
that was with orange sim, without orange sim it shows no signal and no network... its running thais rom.
heres a video of it using another sim.
when i start the phone with other sim, it prompts whether i'd like to use mobile data or not, but no connection!
Click to expand...
Click to collapse
http://videobam.com/ScZMP
Well having watched your videos I can clear up something, I think.
I had searched for terms based around "no personalisation available" which means your code did not work but searching for the actual message in the video "your phone is not personalised" produced completely different results.
That specific message means the option you are clicking on is not locked (not personalised by your provider) at least according to various pages I have found including a few on other well known Android forums so if that's correct your unlock did actually work and that is why the message appears.
The page at http://www.cpkb.org/wiki/LG_enter_NCK_code also mentions this code and its cause.
If the other sims you try offer you data or mobile but do not connect, yet you can make calls, then you need to set up your apn for that provider. The apn tells your phone how to connect to your provider.
This is really easy to do but you will need a free app called Apn global from the android market at https://market.android.com/details?id=osatek.apn.global obviously you need it on your device which can be done in various ways, possibly easiest if you can connect via wifi and go to the market.
Install and run it, pick the name of your provider (the provider whose sim you wish to use) and it will create the mms and internet settings for you. Then mobile data should work.
Alternatively if you have an android phone which you already use that sim on, install to that phone and choose the apps backup option which will backup your exact settings to sd card so you can import them to another android phone.
If you have other providers apns on there you will probably need to tell the phone to use your new settings. Simply go to your phones settings menu, find the wireless settings option and click it then scroll down the screen to "mobile networks" and click that. Then click "Access point names" and choose the desired provider. I have three on my phone and you can always revert to any other settings if you change provider later.
The apn app is very useful, I have used it on a few phones, it has a large list of providers worldwide so you should find your choice of provider there and hopefully that will solve your problem.
Dave
Thanks for the reply dave, but I have yet more bad news sadly.
I can't actually make calls, as shown in the second video it shows no network/emergency calls only.
It's hard to believe no-one else has this issue.
I have owned lots of android in the past(started with g1, then hero, then jumped to zte blade then galaxy 1, now this) none of them posed any difficulty removing network lock.
Its such a strange problem that a search of this forum shows at least one other person had this issue but no-one could help.
Sorry if this sounds stupid but have you gone into the settings menu on your phone (Settings/Wireless and Networks/Mobile Networks/) and chosen the "select your network provider" option?
There you can force your phone to use a specific network provider.
Dave
mistermentality said:
Sorry if this sounds stupid but have you gone into the settings menu on your phone (Settings/Wireless and Networks/Mobile Networks/) and chosen the "select your network provider" option?
There you can force your phone to use a specific network provider.
Dave
Click to expand...
Click to collapse
I have with error "Unable to connect to this network at this time. Please try again later."
I don't think I can help, though I did some more googling and on the cyanogen mod forums someone posted a similar problem....
I've been using the nightly builds of CM7 since they came out and have had no network problems. I then installed version 7.0 [stable] when it came out, and just yesterday I installed version 7.0.3 [stable].
I have had no signal since, and whenever I try and select my network from the Settings > Wireless & Networks > Mobile Networks > Network Operators, it comes up saying "Unable to connect to this network at this time. Please try again later.".
It is nothing to do with my network provider, as my brother's phone works fine and he is on the same network as me.
I am on Three Mobile.
Please help!
RESOLVED: I just wiped all userdata and reflashed CM 7.0.3, I'm a very impatient person
Click to expand...
Click to collapse
If you fail to get a solution this option may help but probably best as a last resort. One thing I did notice when watching your second video is that you have the wireless on, this will stop your phone connecting to any providers mobile data so at least as far as mobile data goes you won't be able to use it when connected to wifi and would have to switch wifi off in order to test the mobile data connection.
Also I know that on my O3D my wireless sometimes seems to cause my phone signal to switch off with the little x. I doubt that is the cause of your problem but may be worth trying to connect with no wifi.
Dave
mistermentality said:
I don't think I can help, though I did some more googling and on the cyanogen mod forums someone posted a similar problem....
If you fail to get a solution this option may help but probably best as a last resort. One thing I did notice when watching your second video is that you have the wireless on, this will stop your phone connecting to any providers mobile data so at least as far as mobile data goes you won't be able to use it when connected to wifi and would have to switch wifi off in order to test the mobile data connection.
Also I know that on my O3D my wireless sometimes seems to cause my phone signal to switch off with the little x. I doubt that is the cause of your problem but may be worth trying to connect with no wifi.
Dave
Click to expand...
Click to collapse
I'm going to try reinstall the original orange rom that came with it and downgrade baseband, if that fails to work after a full reinstall using lgflashtool I'll have to try get another phone.
thanks for all your help dave, i really appreciate it!
A popular unlock site says the only steps needed to unlock to any network are...
1. Input a non accepted simcard
2. Phone will display enter “Sim network unlock PIN” or “Enter Network Unlock Code”
3. Input the 8 or 16 digit unlock code that was emailed to you
4. Phone is unlocked!
If you did this, which you obviously have, your phone is unlocked and the problem must be something else but if you're going to flash a copy of the orange rom you might want to check first with one of the more knowledgeable users here that the rom won't replace some of the locks you already removed.
I checked around and from what I have found it should be as easy as put the new providers apn on your phone, select their settings from mobile networks menu for provider and also mobile data and that should work.
One orange customer who unlocked a different model android phone found that all they had to do was flash the radio only (not the rom), not sure how you do that but there are probably guides on xda.
Dave
I flashed the original orange rom and after flashing the froyo basrband it suddenly worked. Flashed gb again and it still worked, seems i just hsd to reflash basebsnd/radio like you said.
Thank you so much
Sent from my LG-P920 using Tapatalk
Hi pauliebb,
I have the same problem that you had. I bought a used unlock O3D vodafone ES to gift to my brother, he lives in south america and he told me that the mobile does not recognize his SIM. What did you exactly do you did to reflash the baseband firmware???
I supposed thet the mobile is unlock because it shows the same message when enter to the unlock options "phone is not personalised"
Regards
the same problem
i have the same problem, i have phone from plus gsm poland, phone is not personalizet but read only sim card from plus, diffrent card not read and show info no sim card, help me how resolve this problem?

[Q] anyone getting sim card does not allow connection to this network?

I have gotten this message 3 times in the last 5 days. Each time I need to do a reboot to restore cellular/sms service (toggling airplane, wifi, bluetooth, sync, and 4g do not restore cellular/sms). The phone has the same AT&T sim card since day 1 and I have never removed it.
Is this a faulty phone, sim card or both?
gtabfish said:
I have gotten this message 3 times in the last 5 days. Each time I need to do a reboot to restore cellular/sms service (toggling airplane, wifi, bluetooth, sync, and 4g do not restore cellular/sms). The phone has the same AT&T sim card since day 1 and I have never removed it.
Is this a faulty phone, sim card or both?
Click to expand...
Click to collapse
Did the sim come with the phone? ATRIX 2 needs newest of sim cards to function properly. If that's not the problem then I'm not to sure.
Sent from my MB865 using XDA App
Yes, same sim card that came with phone.
Could be a faulty Sim, i've had that happen before with other phones, just go to at &t and show them the problem, they should replace it for you!
Sent from my MZ617 using Tapatalk
(Hope you understand my english)
I wasn't able to solve this problem about an year. But did. And totally sure that it is Device's defect (in some cases it is a ROM deffect as in my case, in other - hardware. Smth like stack overflow issues at GSM controller or so). A year ago when I had face this "sim card does not allow connection... " problem, there are no google serch results on this keywords request. Any. To remove this message I was ought to reboot my device every time it appears. And I was thinking that it is normal behaviour for my device. But now there are lot of complainings at the web ( minimum 5 of Galaxy Tabs P1000, thousands of HTC Disire, few motorolla Deffy, 10 Galaxy Ace, few of Nexus S and so on), so I understand that I'm not alone, and problem is known. So I went to Samsungs Service and they confirmed that it is famous problem, have flashed my phone with some magic ROM (magic because it is official but does not available anywhere in the web, XDA or samsung sites! ) and now my phone works fine. Any other solutions like battery removing, *#*#4636#*#* sirvice menu, new sim-card, flashing variety of modems and roms, didn't helps me. This is not faulty sim. This is serious device's defect. Bring your phone to manufacturer and let them repair it or give your money back. This is their problem not your.
using old 3g prior sim card
With ATT---If you took your old 3g sim card out of old phone and used it. You will get this message. You need to activate the 4g card that came with phone
537magspc said:
With ATT---If you took your old 3g sim card out of old phone and used it. You will get this message. You need to activate the 4g card that came with phone
Click to expand...
Click to collapse
Not true.I'm using my old 3g sim with zero issues.
Sent from my MB865 using XDA
Same issue in Mumbai India
CS4 said:
(Hope you understand my english)
I wasn't able to solve this problem about an year. But did. And totally sure that it is Device's defect (in some cases it is a ROM deffect as in my case, in other - hardware. Smth like stack overflow issues at GSM controller or so). A year ago when I had face this "sim card does not allow connection... " problem, there are no google serch results on this keywords request. Any. To remove this message I was ought to reboot my device every time it appears. And I was thinking that it is normal behaviour for my device. But now there are lot of complainings at the web ( minimum 5 of Galaxy Tabs P1000, thousands of HTC Disire, few motorolla Deffy, 10 Galaxy Ace, few of Nexus S and so on), so I understand that I'm not alone, and problem is known. So I went to Samsungs Service and they confirmed that it is famous problem, have flashed my phone with some magic ROM (magic because it is official but does not available anywhere in the web, XDA or samsung sites! ) and now my phone works fine. Any other solutions like battery removing, *#*#4636#*#* sirvice menu, new sim-card, flashing variety of modems and roms, didn't helps me. This is not faulty sim. This is serious device's defect. Bring your phone to manufacturer and let them repair it or give your money back. This is their problem not your.
Click to expand...
Click to collapse
I have exactly the same issue randomly at times when I try to register on network manually (MTNL Dolphin 3G - Mumbai). Unrooted MB865 ver 2.3.6 & updated on 18th May 2012 to System Ver 55.28.37.MB865.AsiaRetail.en03. If I keep the setting as Automatic in Type of Network & Operator it functions fine fluctuating between Dolphin for local access & CellOne on roaming access in the same area based on cell tower connection the phone registers on alternating between "E" & "H" automatically based on cell mast direction proximity, however if I select 3G only and uncheck automatic for operator then the phone searches for signal for a very long time and fails to show any operator saying "no connection available" & sometimes when "Dolphin" network does appear and try to select manually get the error as "this sim card does not allow connection to this network". I did complain with the service provider and they were supposed to get back to me after checking in their switchboard exchange where I also provided them my SIM number in addition to my cellphone number(no response). Also as is case with poor service of all Indian cell network providers even in urban cities, also face random peculiar issue of call not being received inspite of signal available on the phone & network asking me to recheck the number I have dialled while placing outgoing calls though it is ok and signal is sufficient. Also "Network Speed Booster" app looks like a lot of bull (any other good apps??)
I needed to know using the secret Menu *#*#4636#*#* for 3G GSM service which kind of network I should ideally select for best results & does this setting override the regular menu network settings??
I get "G", "E", "H" randomly based on my locations but no "3G" or "H+" and further at times these icons are grey and sometimes blue and in either cases randomly at different locations sometimes data throughput is not there as only one of the arrow shows active blinking. Any advise on the status based on colors and the blinking of the arrows?? Thanks!

Network Issues

Hi guys.
I have been using the Honor-8 for over 6 months now. All of a sudden i am facing this really unexplained issue with my network.
I am able to make calls, send sms, use data 4G etc. but not able to receive incoming calls or sms. Sometimes calls get through but most of the time it says my number is not reachable or out of service.
I have shown my phone to my service provider. They did a network reset from their system for my number and on my phone too. It did not work. Then i did a factory reset on my phone and still it did not work. Later i even replaced my sim with a new one on the same number. This too did not help.
When i put in my sim onto another phone it works perfectly. Also when i use a different sim onto my phone then i dont face any such issue.
Can someone help me solve this issue please.
Did you checked call forwarding option.. Is it enabled somehow?
kingpenguin001 said:
Did you checked call forwarding option.. Is it enabled somehow?
Click to expand...
Click to collapse
Yes.. I have reset all call , network settings.. it isn't working
My trick fixing sudden lost of network on emui 8 and 9
Before this i have two nova 2i that sudden no service and couldn't to connect to any network at first.. without any online and google search for a guide i strugle at first but then i found a way to connect my mobile data...
1. first if u are using sim one for data switch it up to sim 2 in setting and disable ur mobile data
2.u must switch the sim 2 network to gsm only in mobile network setting
3.now swipe to ur notifications bar and enable ur data connection after successfully connect to 2g network click on the 4g icon at ur status bar .. walla a internet connection successfully been initiated...
4.Repeat all the step after that for sim one if u want to use sim one as ur data sim
5.install huawei tweaker apps from playstore then enabled 4g network only from the apps do it for both sim if u want ur sim to never lost signal permenently.
***Important note if u are changing to other simcard or u format ur phone to factory settings u have to redo all the step again****

[Help Thread] no service or emergancy call only after switching bands.

Hello everyone !
Before you read here is the specs and what I tried but didn't work to solve this issue :
Model : galaxy s5 (klte )
OS : Havoc OS 3.7 latest
Root : magisk21.1
Solutions I tried :
1 - restarted the phone .
2- clear factory reset and reinstalling the ROM.
3- checking my IMEI and its fine doesn't need repairs *#06#.
4- switched Sim cards and tested other Sim cards still no results .
5- return the official android OS still no use .
6- any other obvious solutions didn't work such as backup and restore my IMEI/EFS , airplane mod .
7- choosing network operator in the settings results a crash while searching so I can't choose manually and only be able to let it at automatic .
so lately I just bought a 4g Sim card and I know the galaxy s5 support 4g bands as I inserted the SIM it worked normally yet I wanted to switch the band to LTE so obviously I went to *#*#4636#*#* and switched bands so I can see which one would work yet suddenly while switching a couple of times the signal stopped showing and emergency calls only even though it reads the Sim card .
i tried to manually chose network operator but it crash's while it search's for it no matter what OS I install even in original so if anyone knows a command line to manually chose a network operator that would be appreciated.
Anyone know what to do ?
Gunnerpew said:
Hello everyone !
Before you read here is the specs and what I tried but didn't work to solve this issue :
Model : galaxy s5 (klte )
OS : Havoc OS 3.7 latest
Root : magisk21.1
Solutions I tried :
1 - restarted the phone .
2- clear factory reset and reinstalling the ROM.
3- checking my IMEI and its fine doesn't need repairs *#06#.
4- switched Sim cards and tested other Sim cards still no results .
5- return the official android OS still no use .
6- any other obvious solutions didn't work such as backup and restore my IMEI/EFS , airplane mod .
7- choosing network operator in the settings results a crash while searching so I can't choose manually and only be able to let it at automatic .
so lately I just bought a 4g Sim card and I know the galaxy s5 support 4g bands as I inserted the SIM it worked normally yet I wanted to switch the band to LTE so obviously I went to *#*#4636#*#* and switched bands so I can see which one would work yet suddenly while switching a couple of times the signal stopped showing and emergency calls only even though it reads the Sim card .
i tried to manually chose network operator but it crash's while it search's for it no matter what OS I install even in original so if anyone knows a command line to manually chose a network operator that would be appreciated.
Anyone know what to do ?
Click to expand...
Click to collapse
You may need to contact customer support for your carrier, they may have to fix it in their network.
Droidriven said:
You may need to contact customer support for your carrier, they may have to fix it in their network.
Click to expand...
Click to collapse
The thing is about my carrier that they have a terrible customer service in here as if it was almost non-existing so I'm left all alone to deal with the problem plus there aren't any customer service for Samsung or any other external fix center for smart phone that's why I had to learn things on my own.
Gunnerpew said:
The thing is about my carrier that they have a terrible customer service in here as if it was almost non-existing so I'm left all alone to deal with the problem plus there aren't any customer service for Samsung or any other external fix center for smart phone that's why I had to learn things on my own.
Click to expand...
Click to collapse
If you can't get back into that dialer menu and if flashing the firmware isn't fixing it and if booting into recovery and factory resetting the device aren't working, I'm not sure if there is anything you can do.

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