SCH-I545 service mode messed up - Verizon Samsung Galaxy S 4

Dear friends,
I did not find any similar problem resolved here (maybe I missed some, sorry in that case). Problem is as follows:
I have unlocked Verizon SCH-I545 model of Samsung S4 and I use it here in Serbia. Everything worked fine except 4gLTE. I only had 3G and H+ (max 6mbps download). Because of that I used to experiment with service mode (*#27663368378# this worked for me) and I messed something up. Now I have the situation that I can use phone only in GSM mode that I can set only through this service mode (GSM only) and then I have only Edge or GPRS for internet speed. When I switch to Global (which is used to work with 3g or H+ max) I lose network GSM and it keeps tilting (when it have edge it works but when it gets Gprs it says no service-emergency calls only). Than I am forced to switch to GSM mode again through meny to have my calls back. In prefered network mode I have only 1. Global, 2. LTE/CDMA, 3. LTE/GSM/UMTS. Is there any way to set this service mode settings back to default because I did the stock flash through odin with original samsung firmware (latest I545VRSGPL1) and did the factory reset before that with full wipe offcourse! I really love this phone and I am pretty desperate in my tries to resolve this issue. Please help if there is help!?
Best regards from Serbia

Related

issues reconnecting to mobilicity network -canada, please help!

Hello there I currently have an unlocked vibrant currently on the mobilicity network in Toronto, Canada.
The phone works well, no issues except for establishing and securing a connection with the network provider. Every time I go to an area where it loses service, like parking garages or subways it loses the connection- obviously- but when you get back to an area where there should be service I only connect to the roaming service. This is leading to extra costs since my plan has charges for that.
What I do now is when i go somewhere with no service i switch to flight mode. When i get back where there is service i have to usually turn the phone off and restart it and search for a network manually.
Are there any apps, hacks, or fixes that can stop me from seeing or detecting roaming services, and force the phone to lock on to my network provider's service?
I want to use it only in the current home zones, and if out of one, i accept the fact that the phone does not work at all. I am always in the coverage zone and never want to use it while roaming.
can anyone help?
At the setting, there is an option there Data Roaming, you need to check or uncheck it. Select the option that will prevent you from doing data roaming and that should fix your problem.
On the otherhand, I have a question for you. I have the same phone and same provider, mobilicity. Our problem is the 3g connection. It is spotty sometimes the 3g icon appears and then disappears. Does this happen to you? I noticed the problem occurs when I go under like basement when there is no signal. After resurfacing, I gell signal reception sometimes full but the 3g or data connection won't work. To solve this, we would usually shut down the phone and restart it. Do you experience the same problem? If yes, what was your fix. Thanks.
David
Same problem here. Any guidance will be appreciated.
I've done the suggestions for Wind but to no avail.
same mobile , same provider , same issue
hai guys i have the same issue , but my thing is more worser than you.....when ever i go to an underground parking my 3g gets turned off and wen i come out from that place i cant able to make or receive any calls .....i need to restart the phone to turn on the signal again...its really weird any one have the solution ?????
Hey all, I have a Vibrant on Wind, this is what I do.
Go to settings.
Wireless and Network -> Mobile Network -> Network Mode ->WCDMA only
This enables that you stick to Mobilicity's 3G network and not roam on the Rogers 2G network.
If you lose signal, you will not roam, but simply not be connected until you move out and pick up Mobilicity's signal again.
Hope that helps.
Mobilicity Fix.
I found this on Howard forumns:.... I know this post is old but the solution could help someone who recently bought a old for to get used to customization /flashing.>>> Hope its useful
From Post:
--------
It works!!! It totally works!!!! I love it! Thank you so much guys!!!! Now I don't have to restart my phone EVERY morning as soon as I pull out of the underground garage in my car!!!
Thank you, Thank you, THANK YOU!!!!!!
Dial: *#*#197328640#*#*
Click [1] debug screen
Click [8] phone control
Click [7] network control
Click [2] band selection
This is where you make a change, default setting is [1] automatic, which means it chooses automatically between gsm/cdma (Edge vs 3g). So we are going to change this and set it to wcdma band which is 3g.
Click [2] wcdma band
Click [1] wcdma all []
Now it should display “select wcdma all bands[*]"
Now on the bottom of your phone, click the menu key, it’s the one next to the home key, now click back, menu again one more time, back one more time, this is just to confirm it set to number 2 wcdma band.
Now click menu key one last time, click end.. and you are done. Now to double verify that the phone is locked into 3g, dial in: *#*#4636#*#*
Then click phone information Then scroll down to “set preferred network type” It should now have listed “wcdma only.” PS, if you tried to do a shortcut, and just set wcdma this way first without doing the lock above, it would just go back to gsm/cdma auto once you exit the screen.
Your phone should now be locked into 3g.
----------
Again found on Howard forumns and copied and pasted to word doc. to keep for my mum as she gets the phone.... I got her the the 27.50 holiday plan so she can call anywhere to anyone in North america with unlimited data....coverage is good so far...
P.S. i dont allow roaming as to not incure more charges.
I know this is an oldish thread but.
Trying to fix connection issues and the Dial code does not work for me. It just does nothing when I enter that. The only code that works is *#*#4636#*#* and that does not help me.
Anyone else having this issue and know why it's not working. I have an Amaze 4G. Only posting here about this phone because this is the only thread I could find related to my issue.
Searched all over now. Those codes are to be the only solution and they don't do anything on my phone.
Anyone have answers?
I have a mytouch 4g (it's actually the htc panache) that just suddenly wouldn't connect to the network after I restarted it. When I try to add a network manually, the only option I have is to connect to Canadian roaming...

No Call when on WCDMA

All,
I just got a brand new Samsung S3 from Amazon.de yesterday.
I set the phone up and then turned data on. When I had GSM only mode, everything was perfectly fine. The moment I switched to WCDMA, on notification bar I see 'emergency calls only' and when I try to make a call it tells me that I am not registered on the netork - H+ is there and I can browse the Internet and have full coverage.
I rooted the phone originally, so to return to stock I flash XXBLG8 instead of the ALF5 that was on the phone.
Any ideas?
EDIT: I have also just noticed, that if I simply switch from WCDMA to GSM I get emergency call only too. Only after I got into flight mode and back I get normal coverage on 2G.
NOTE: Internet works on both 2G and 3G modes without problems.
Now I just used *#1234# to check CSC and it seems I am on BLG8 for PDA and CSC.
SIM card problem, of course.

How to set Galaxy s2 in WCDMA only mode ? JB 4.1.1

Hi, how to set my galaxy s2 permanently in WCDMA only Mode, not in WCDMA prefereed.
In menu option is missing.
I change WCDMA only whith *#*#4636#*#* , but to close security menu galaxy S2 auto change mode to WCDMA prefereed :crying:
how to fix it?
Madboy128 said:
Hi, how to set my galaxy s2 permanently in WCDMA only Mode, not in WCDMA prefereed.
In menu option is missing.
I change WCDMA only whith *#*#4636#*#* , but to close security menu galaxy S2 auto change mode to WCDMA prefereed :crying:
how to fix it?
Click to expand...
Click to collapse
1. Disable Mobile data, then wait for 3-5 minutes
2. Enter Service mode, then change network to WCDMA only, repeat it like 2 times.
Done.
Correctly good luck...
Enviado desde mi GT-I9100 usando Tapatalk 2
my problem is described here -Can others be so kind as to verify if they are also having an issue with receiving voice calls or SMS while their phones are using the 2G network for data access. (3G and wifi either unavailable or turned off.)
We have this issue with Orange and I have tested it on one Sunrise iphone4 and we had the same issue. Which is not surprising since Orange and Sunrise are operated by the same staff. It does work correctly over Swisscom.
I raised this case with Orange over one month ago and they still have given me no concrete feedback as to why their network behaves like this.
(FYI this is a network issue and not related to any phone configuration).
Feel free to harass Orange about this. It might get them to pull their fingers out a bit. When I raised the case it took me about 10 calls to their support plus 2 visits to Orange shops to finally get a technician who was capable of understanding this simple but critical issue.
EXACT STEPS LEADING TO PROBLEM:
1. Force phone to use GSM (2G) mode only or be in an area with no 3G coverage, or if your phone chooses to use the 2G network
2. Disable switching to wifi:
3. Connect to 2G packet data, download email or download webpages: Status Bar-> spinning wheel
4. While packet data is connecting, using another phone place a call to your phone
5. After packet data has connected, using another phone place a call to your Phone
EXPECTED OUTCOME:
You expect the packet data connection to either DROP or be SUSPENDED (depending
on network capabilities) and for the phone to ring indicating an incoming call or SMS.
ACTUAL OUTCOME:
The packet data connection persists and remains active; the phone does not ring
and the call is handled by the network as if the phone was unreachable (for most
users this means forwarding to voicemail).
REPRODUCIBILITY:
always; no exceptions.
This has been tested extensively on the Orange network by me and many other users.
Tested devices which all show the same issue, iPhone4, iPhone3GS, Iphone 3G, several Android models.

Galaxy S6 Edge SM-G925F on T-Mobile USA and LTE/Data problems

Hello. I have an SM-G925F which I bought from Telekom Macedonia and I am still using my number from there also but I am currently in the US and would like to use it on T-Mobile USA.
I know that the device supports all the same bands as the SM-G925T model.
The problem I am having is that when my phone is set to LTE/WCDMA/GSM in the Network Mode settings, I do not have any data connection at all, only when I make a call, I start to get a data connection but only 3G/H+. If I switch my setting to WCDMA/GSM, then I get a data connection at all times like normal but it still is only 3G/H+. I have tried two different APNs and different settings in the APN but I still cannot get a data connection at all times on the LTE/WCDMA/GSM setting and I cannot get LTE/4G at all.
After contacting T-Mobile, all they came up with is to try to have the same software reinstalled on my phone. Does anyone have any experience with this and can anyone help me?
Anyone?
Call Tmobile and have them input your phone's IMEI in their system. Ask for the APN settings as well. I am on the same boat and one call to ATT got me from H to 4G. Your phone will just show 4G, not LTE but you will get LTE speeds regardless.
I tried doing that too. I called T-Mobile a few times and they confirmed my IMEI number being on the account but still no luck. It's really weird..sometimes I get 3G/H+ on the "LTE/WCDMA/GSM (auto connect)" network mode setting on the phone but most of the time, I get NO DATA connection at all..only the signal bars.
Any Update
Did you finally figure it out? Is LTE working now?

Faulty network mode auto select

Hi,
I've faced this problem every since April. When I select 4g/3g/2g auto and am in a 4g area, almost always my phone shows the 4g icon but I'm unable to use the internet. Then if I change to 2g/3g mode I switch back to 3g/2g network and can use my internet but of course not at 4g speeds. This is driving me crazy. I've paid so much money for a great phone and network and I can't use it!
"Solutions" suggested by my network provider which didn't work:
1. Reset APN settings
2. Cleared browser cache
3. SIM card changed
4. Factory reset
5. Tried my SIM in another phone- it seemed to work alright in the other phone.
I'm about to send this phone off for diagnostics but it's such a hassle. Any suggestions?
Hello.
I have the same probleme.
The phone is bloc in 4g but i not data ....
I have not find the solution..
Please help !

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