Mobile Network not available - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Running stock 4.3 rom just recently re flashed with odin due to these problems, I can connect to my mobile network with 4g lte but when i try to make a call it says mobile network not available. Its originally a bell phone unlocked and im using it on mts. I have the efs folder back up and tried using that and still no luck please help me out!

Rare to see a fellow MTS user... Are you on mk6 radio?
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JGAGNON10 said:
Rare to see a fellow MTS user... Are you on mk6 radio?
Sent from my SGH-I337M using xda app-developers app
Click to expand...
Click to collapse
Yeah I am on the mk6 build

Related

Get back 4G/Lte icon in status bar?

I am on Omega rom and after flashing the me2 stock and then Omega I have noticed my 4g icon has gone and it has been replaced with 3g. I know I have 4g because have done a speed test and it is around 3.5mb to 5mb per second compared to 1.2mb or so on 3g. So is there a way to get my 4g icon back? Thanks in advance.
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glennd said:
I am on Omega rom and after flashing the me2 stock and then Omega I have noticed my 4g icon has gone and it has been replaced with 3g. I know I have 4g because have done a speed test and it is around 3.5mb to 5mb per second compared to 1.2mb or so on 3g. So is there a way to get my 4g icon back? Thanks in advance.
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Go to About Device -> Status and see which Data Type is displayed. 4G is displayed as LTE:14. 3G+ is displayed as HSPA:11.
3~5mbps is normal for 3G and not 4G. You are probably not getting 4G connection.
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MaKTaiL said:
Go to About Device -> Status and see which Data Type is displayed. 4G is displayed as LTE:14. 3G+ is displayed as HSPA:11.
3~5mbps is normal for 3G and not 4G. You are probably not getting 4G connection.
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I checked my status and it is UMTS:3 on 3g and HSPAP:15 on H+ and I am with Telstra in Australia in a 4g area. It would display 4g when I was on stock.
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glennd said:
I checked my status and it is UMTS:3 on 3g and HSPAP:15 on H+ and I am with Telstra in Australia in a 4g area. It would display 4g when I was on stock.
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LTE is probably disabled on settings then. My phone came disabled by default for some reason. To activate it go to Settings -> More Networks-> Mobile Network and check if LTE/GSM/WCDMA is enabled. That's probably the problem you are having.
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MaKTaiL said:
LTE is probably disabled on settings then. My phone came disabled by default for some reason. To activate it go to Settings -> More Networks-> Mobile Network and check if LTE/GSM/WCDMA is enabled. That's probably the problem you are having.
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Tried that first mate all I have is Gsm/WCDMA. No LTE option?
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glennd said:
Tried that first mate all I have is Gsm/WCDMA. No LTE option?
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Oh. I heard people having the same issue after flashing some firmwares. The one used on Omega is probably bugged for you. It doesn't happen for everybody. Try going back to stock or flashing a version of Omega that is built on top of another firmware version. I can't help you anymore. Good luck
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Is there a way to extract my Baseband version (radio) from my stock TWRP backup. When I flash stock Telstra back my baseband stays as Me2 could this be the 4g issue, wrong baseband for carrier?
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glennd said:
Is there a way to extract my Baseband version (radio) from my stock TWRP backup. When I flash stock Telstra back my baseband stays as Me2 could this be the 4g issue, wrong baseband for carrier?
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That's probably the issue. That's why it works for some people and not for others like you. I don't know how to extract it. I'll let other people answer this.
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I have sorted it out all good got my LTE back.
1. Flashed stock Telstra backup with TWRP
2.Flashed Stock rooted ME2 with Odin 3.04. (3.07 doesn't contain the pit file and seemed to remove my LTE)
3.Flashed TWRP with Odin 3.04
4.Flashed Omega 3.0 with TWRP
All good with LTE and WiFi nice:laugh:
PS. When I did a factory reset in settings I lost my LTE when phone rebooted( wont do that again). It seemed to format the 2Gb partion for LTE settings dont know if it has something to do with TWRP just a guess?

4G not working, urgent

I flashed an international firmware on a Sprint S4, not knowing that it breaks root and custom recovery. I also lost my 4G. I can fix everything except the 4G. No idea how to begin, any idea?
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Denomenance said:
I flashed an international firmware on a Sprint S4, not knowing that it breaks root and custom recovery. I also lost my 4G. I can fix everything except the 4G. No idea how to begin, any idea?
Sent from my SPH-L720 using xda app-developers app
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Well you can begin by going to Sammobile and download the carrier's stock firmware. Flash it via odin. Stay on stock until you figure out how to fix 4G on custom roms.
Good luck, Im sure you'd be able fix it by flashing stock rom
Have you tried fishing the Sprint modem?
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chickentuna said:
Well you can begin by going to Sammobile and download the carrier's stock firmware. Flash it via odin. Stay on stock until you figure out how to fix 4G on custom roms.
Good luck, Im sure you'd be able fix it by flashing stock rom
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Click to collapse
Alright, i'm about to attempt that, thanks!
sxi200 said:
Have you tried fishing the Sprint modem?
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Sprint Modem? Can you go a bit more in detail please?
Indie offers an "EnableLTE.zip in the i9505 Omega Thread
This maybe fix the problem, OR AT WORST BRICK YOUR DEVICE
Honestly i have no idea if this works, so be careful.
Indie or another skilled person should know of this fix the LTE bug on your Sprint S4.
Denomenance said:
Sprint Modem? Can you go a bit more in detail please?
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Click to collapse
The modem is part of any full firmware and is usually different for each provider, region etc.
I believe the US lte frequencies are different to most of the other countries so if you don't have the correct modem your phone may be looking for the wrong frequency.
Try this link: http://www.rwilco12.com/downloads.php?dir=Files/Devices/Samsung Galaxy S4 (SPH-L720)/Modems
Flash the .tar file in odin in the phone section.
Edit: just remembered when the first ipad to have lte was released in Australia, Apple and resellers got into big trouble for marketing it as lte/4g. This was because although it was lte it didn't actually work with Australian lte frequencies. So as I mentioned above you will need a US modem. That's my best bet to get it going again.
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sxi200 said:
The modem is part of any full firmware and is usually different for each provider, region etc.
I believe the US lte frequencies are different to most of the other countries so if you don't have the correct modem your phone may be looking for the wrong frequency.
Try this link: http://www.rwilco12.com/downloads.php?dir=Files/Devices/Samsung Galaxy S4 (SPH-L720)/Modems
Flash the .tar file in odin in the phone section.
Edit: just remembered when the first ipad to have lte was released in Australia, Apple and resellers got into big trouble for marketing it as lte/4g. This was because although it was lte it didn't actually work with Australian lte frequencies. So as I mentioned above you will need a US modem. That's my best bet to get it going again.
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Flashed it successfully, yet no 4g. Could it be that I need to flash a different firmware?
Denomenance said:
Flashed it successfully, yet no 4g. Could it be that I need to flash a different firmware?
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Maybe check that lte is selected in network settings and you have your apn set correctly.
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sxi200 said:
Maybe check that lte is selected in network settings and you have your apn set correctly.
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I did, yet no dice. Would flashing a stock firmware replace the modem?
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Denomenance said:
I did, yet no dice. Would flashing a stock firmware replace the modem?
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Please reflash your official stock firmware.
Sent from my GT-I9500

Can I flash sprint Gs4 roms onto my tmobile Gs4

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I would highly not suggest it, unless you like to open cans of worms and pull your hair out or possibly have a phone that doesn't operate like it should.
oscarthegrouch said:
I would highly not suggest it, unless you like to open cans of worms and pull your hair out or possibly have a phone that doesn't operate like it should.
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The reason I ask is because you can use att Gs4 roms and the International 9505 model on the tmobile Gs4. Thanks
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xda23 said:
The reason I ask is because you can use att Gs4 roms and the International 9505 model on the tmobile Gs4. Thanks
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You can flash.. its been awhile since I've done it on my sprint s4 just because I had data issues with other carriers roms. But u can do it just have to flash a tmo kernel I think..
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xda23 said:
The reason I ask is because you can use att Gs4 roms and the International 9505 model on the tmobile Gs4. Thanks
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It's because they're all basically the same phone. LTE gsm S4. We are CDMA. So you would run into a lot of problems. Data being one of if not the biggest.
xda23 said:
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Don't do it, two different cell technologies (Sprint/CDMA vs. T-Mobile GSM), raises likelihood of ending up with a brick.
Joshmccullough said:
Don't do it, two different cell technologies (Sprint/CDMA vs. T-Mobile GSM), raises likelihood of ending up with a brick.
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You can flash verizon and sprint roms on a tmobile note 2 just by flashing tmobile baseband after the rom...I don't see why it wouldn't work on s4
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gotablunt said:
You can flash verizon and sprint roms on a tmobile note 2 just by flashing tmobile baseband after the rom...I don't see why it wouldn't work on s4
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Can someone explain how it is done please..
I want to use my unlocked Sprint Galaxy s4 with Mexico Movistar GSM network
I found a rom here
http://www.sammobile.com/firmwares/3/?download=17586
http://www.sammobile.com/firmwares/2/
I chose Galaxy s4
Mexico Movistar
this is the download link
http://www.hotfile.com/dl/239464457/...1_TMM.zip.html
Latest firmware info
GT-I9500 Galaxy S 4
PDA: I9500UBUBMG1
CSC: I9500TFGBMG1
MODEM: I9500VSUBMG1
Added: 2013-07-28
Click to expand...
Click to collapse
it is a big zip file with
\FACTORY_I9500UBUBMG1_I9500TFGBMG1_TMM.zip
2013-07-31 05:39 2170970 1242766 BOOTLOADER_I9500UBUBMG1_1002623_REV00_user_low_ship.tar.md5
2013-07-31 05:39 2266972244 1506303198 CODE_I9500UBUBMG1_1002623_REV00_user_low_ship.tar.md5
2013-07-31 05:40 16005200 5656733 MODEM_I9500VSUBMG1_REV01_CL1331687_SIGNED.tar.md5
2013-07-31 05:40 182650967 104501747 CSC_TFG_I9500TFGBMG1_1002623_REV00_user_low_ship.tar.md5
2013-07-31 05:42 1677312 796028 SS_DL.dll
#
# Total Size Packed Files
# 2469476693 1618500472 5
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Do I use recovery to install this ROM? copying the file to my phone and running it with recovery failed...
doctorman said:
Can someone explain how it is done please..
I want to use my unlocked Sprint Galaxy s4 with Mexico Movistar GSM network
I found a rom here
it is a big zip file with
Do I use recovery to install this ROM? copying the file to my phone and running it with recovery failed...
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Click to collapse
Those are TARs. You DO NOT flash those in recovery. Only through Odin.
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daniel4653 said:
Those are TARs. You DO NOT flash those in recovery. Only through Odin.
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so which ones do I need to odin to get the sprint galaxy s4 (L720) work on GSM Galaxy S4 Movistar in mexico?

Lost mobile signal!

I'm running sacs rom. And last night sometime I lost my mobile signal. I'm unable to make any calls and have no Internet. And yes I paid my bill. If someone could point me in the right direction it would be greatly appreciated
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Does it show no signal bars and has a red X in it?
I had this on stockish v4 two days ago while I was messing around with random files. I was able to solve it by dirty flashing the ROM again. Then connecting to WiFi and updating profile.
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No. I don't have anything. I even did a clean install of newest rom. I connect via wifi and I get a preparing network and searching for service.
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Okay so I figured out that my radios suddenly disappeared. I tried flashing the latest radios through Oden with a pass. But they are not sticking. Any ideas?
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loumoli said:
Okay so I figured out that my radios suddenly disappeared. I tried flashing the latest radios through Oden with a pass. But they are not sticking. Any ideas?
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You'd need to flash the exact same modem as you had before, however it makes no sense that the modem would just disappear.... Are you sure nothing happened?
loumoli said:
No. I don't have anything. I even did a clean install of newest rom. I connect via wifi and I get a preparing network and searching for service.
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Click to expand...
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You can try calling Sprint have them reset service or if you have insurance on it take to sprint store, you may have to take it in as stock unrooted. My S4 was doing same thing, but I didn't have insurance on it, so had to send (unrooted) in for warranty service through Samsung to have it fixed.
sent from nowhere

[Q] GT-I9505 No mobile network/data after flashing Android 4.4 kitkat

My Divice: GT-I9505 Samsung S4
ROM: Google Play Edition
Country: Dominican Republic
Carrier: Orange Dominicana
Good Evening, i have this network issues since i update mi s4 to android 4.4 with odin, every time i turn on my mobile network, network go down, i can not make calls, send sms.
Now i install Google Play Edtition im flash MK9 modem to it, but it does not work properly i have to use theI phone into 2G network them in that network is stable but soon as i turn on the normal network i mean 3G network or 4G LTE it goes down...
My question is how can i go back to have my normal network, even if with a custom room???...
I read, i made my google search, i flash alot of stock rom and nothing work...
Anthony Placencio....
Thnkz For The Help...
If these was no the place for ma question, place just tell me im new posting here....
do you make back up efs?
No I didnt...
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I flash MDM modem and know is working grate..
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aplacencio said:
I flash MDM modem and know is working grate..
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Click to collapse
What do you mean with MDM modem? I tested 4.3 Modem on 4.4.2 and however it seams to not work. I'm Italian and I'm having network issues too after I received latest 4.4.2 Android on my i9505.
It works for 1 day an them even my imei dissapear lol :/ i just buy a new S4 I9500 that works for orange carrier here in dominican republic im gonna fix the i9505 and sale it
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