4g lte data service, no cell phone service? - Samsung Galaxy S7 Questions and Answers

I have a sm-g930fd s7. International version with dual SIM. Lately I can't get cell service, only data and messages. At t customer service is no help.
Any ideas what? I get cell service if I go about 1/4 Like away from home.
My wife's cell works fine, same network.
Any ideas.
Thanks

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will unlocked captivate work on t-mobile's blackberry plan?

I have had no luck getting my Vibrant to work with my T-mobile blackberry plan. Phone works, but no data.
If I get a Captivate, unlock it, will it work with T-mobile's blackberry plan for data?
I don't care if it's just 2g and not 3g, I just want data...
I was told by AT&T that it wouldn't work because the data is provisioned differently. I wanted to keep my Bold 9000 for work and the Captivate for all other times and couldn't do it. I'll have to assume that T-Mobile also provisions their data differently.
At&t 3G runs off a completely different radio frequency so an at&t phone wont work on T-Mobile 3g. It will work with 2g and data provisions have nothing to do with it. Still a GSM network. Just get your unlock code for your sim and switch away
Sent from my SAMSUNG-SGH-I897 using XDA App
An unlocked Captivate will work on Tmobile but you will only get Edge for data.
There is a big draw back as these phone were never design with anythin less than 3G in mind. When ever I was using data (edge) all my voice call went straith to voice mail with no indications of any missed calls.
With Wifi it's fine. Even peoples with AT&T 3G have these problems when they travel to an area with only 2G coverage. Even a person in India told me the same thing with his Galaxy S.
Yeah with edge you cannot talk and use data at the same time. That's why when you're using data it will not allow calls to go through until the data stops transferring.
Sent from my SAMSUNG-SGH-I897 using XDA App

[Q] No Data Roaming

For some reason my Sensation 4G(TMO-US) won't data roam on AT&T network. Any ideas?
Here's the current situation... 2g is all I can get at home. My 2g icon is showing but NOTHING that requires data will work. I'm roaming on AT&T because I'm outside the city, and voice and text work just fine but when I check my data roaming via *#*#4636#*#* it says not roaming. YES I HAVE DATA ROAMING ENABLED. My gf has the Exhibit 4g and has no issues... When I put her SIM into my phone data works just fine. I've called T-mobile and they claim our phone settings are identical and data roaming is enabled on their end for my SIM but when i put my SIM into her phone it won't connect to 2g. I've removed the battery and SIM, toggled ciphering, had then rebroadcast my number and still nothing. AND YES it's a new SIM card, actually the 2nd one and Tmobile 4g and 2g work just fine as well when I'm in their service area. Any help would be appreciated since T-mobile doesn't see this as a big enough problem. Can I somehow enter an APN for ATT? I'm really out of ideas.
cholin said:
For some reason my Sensation 4G(TMO-US) won't data roam on AT&T network. Any ideas?
Here's the current situation... 2g is all I can get at home. My 2g icon is showing but NOTHING that requires data will work. I'm roaming on AT&T because I'm outside the city, and voice and text work just fine but when I check my data roaming via *#*#4636#*#* it says not roaming. YES I HAVE DATA ROAMING ENABLED. My gf has the Exhibit 4g and has no issues... When I put her SIM into my phone data works just fine. I've called T-mobile and they claim our phone settings are identical and data roaming is enabled on their end for my SIM but when i put my SIM into her phone it won't connect to 2g. I've removed the battery and SIM, toggled ciphering, had then rebroadcast my number and still nothing. AND YES it's a new SIM card, actually the 2nd one and Tmobile 4g and 2g work just fine as well when I'm in their service area. Any help would be appreciated since T-mobile doesn't see this as a big enough problem. Can I somehow enter an APN for ATT? I'm really out of ideas.
Click to expand...
Click to collapse
I have the same issue did you ever find a solution?
Tmobile had to have a tech rebuild my profile for their network. Took about a week or so. Everything has been fine since.
Sent from my HTC Sensation Z710e using XDA App

data service in shanghai/hk

has anyone been able to get data service via their verizon sim in shanghai or hk? no problem with voice coverage, but i've had data coverage in shanghai maybe 5% of the time. i couldn't deal with no data in hk and picked up a pccw sim, which works great. their HSPA+ network is pretty solid.
interestingly i've had the same issue with a 3 HK prepaid sim. totally fine voice coverage, no data (on their UMTS network). no convolution of APN settings has done the trick.
i'm on mf1 & liquidsmooth 2.9.

Texting while in Jamaica:

Me and my family will be traveling to Jamaica this weekend. From looking at Sprint's coverage map, didn't see any coverage for Jamaica. Question, w/out enabling International services for our phones, is there an app we can use for texting each other? Would this only work if we are connected to a wifi network?
Update: Talked to Sprint, we have Sprint Global Roaming (not warming) which is free. We'll have unlimited text/data, but we'll get charged for any voice calls, $0.20/minute. We will have to connect to a GSM network when we get there.
ycats said:
Me and my family will be traveling to Jamaica this weekend. From looking at Sprint's coverage map, didn't see any coverage for Jamaica. Question, w/out enabling International services for our phones, is there an app we can use for texting each other? Would this only work if we are connected to a wifi network?
Update: Talked to Sprint, we have Sprint Global Roaming (not warming) which is free. We'll have unlimited text/data, but we'll get charged for any voice calls, $0.20/minute. We will have to connect to a GSM network when we get there.
Click to expand...
Click to collapse
Do they have to activate something on your phone to connect to a GSM network? My father in law is thinking about switching to our family plan but goes overseas to the Philippines a couple times a year and is worried about connectivity while over there which is all GSM. Thanks!
They updated our Profiles, not sure what got changed.......................then when we arrive in Jamaica, we'll have to go into Settings, More Networks, Roaming, Roaming Network, Automatic, Roaming Settings, check International Voice and International Data..........then Settings, Connections, More Networks, Mobile Networks, Network Mode, Select GSM/UMTS, then select one of the three networks that will be available.

[Q] SM-G995FD on Freedom Mobile LTE

I have been trying to get my LTE working on my Samsung S8+ SM-G955FD with Freedom mobile. I have updated the CSC to XAC and GLW from the development forums and the phone will not connect to LTE at all. However flashing it to tmobiles CSC I was able to get LTE as it uses the same band 66. I initially got LTE by selecting the network operator "Home" once I lose connection from LTE to 4G it will not automatically reconnect back to LTE unless I select the network operator again. Any suggestions on fixing this?
Same issue with Reliance JIO (India) using VO LTE. Seems the phone does not support it either (the 6GB Ram Model)
up!
my 3g does work but lte not always!
I found this article around flashing csc, it seems like it's proven to work when they are the same model eg both g950w.
Keywords from the article since I'm too new a member to link directly. oneplus-5-other-unlocked-band-66-devices-may-be-incompatible-freedom
aznproto said:
I have been trying to get my LTE working on my Samsung S8+ SM-G955FD with Freedom mobile. I have updated the CSC to XAC and GLW from the development forums and the phone will not connect to LTE at all. However flashing it to tmobiles CSC I was able to get LTE as it uses the same band 66. I initially got LTE by selecting the network operator "Home" once I lose connection from LTE to 4G it will not automatically reconnect back to LTE unless I select the network operator again. Any suggestions on fixing this?
Click to expand...
Click to collapse
I would like to ask if you rooted your phone and changed the CSC as per instructions given in the Droidview website?
If you did, and the results were not satisfactory, then you would have tripped Knox, but gained little.
I am in the same situation, and am considering rooting the phone to try the method in Droidview.
Thanks.
I got s8+ from freedom and trust me I absolutely hate their reception. On a drive home or from I get interruptions of voice call for 5+min (highway drive) in some areas. Anywhere in US call reception is hit or miss. In Canada isnt always great other. Now for LTE well, it ok if you catch LTE signal. Allot of the times im on 4g. Speed are very slow. If im lucky I get LTE. So i don't know whether its the service or the phone but im not happy. I'll pay of this phone and move back to FIDO or on US network. Freedom is garbage to me. Im all over the city, country and north america - freedom isnt great for me. Fido was excellent but i didnt get any credit on the phones, in US fido rates are very high.

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