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sgs4 att i337, root, teamwin recovery, loki, Omega8, KT kernel, AMDL AWS unlock modem
I'm in Russia, operator is Megafon: Freq. 2600, Band 7
I tried set LTE only via service mode or service mode shotcut application.
I see only slashed circle.
APN is set
Have no ideas what else to try.
svs57 said:
sgs4 att i337, root, teamwin recovery, loki, Omega8, KT kernel, AMDL AWS unlock modem
I'm in Russia, operator is Megafon: Freq. 2600, Band 7
I tried set LTE only via service mode or service mode shotcut application.
I see only slashed circle.
APN is set
Have no ideas what else to try.
Click to expand...
Click to collapse
Is the Network Mode set to LTE / GSM / WCDMA?
Yes.
Attached screenshot from Service Mode Shotcut app when I set LTE only.
svs57 said:
Yes.
Attached screenshot from Service Mode Shotcut app.
Click to expand...
Click to collapse
Circle with line through it? Is your IMEI intact?
Have no problem with IMEI. If I set network to auto I can call and use Internet up to H+
I want to explain some detail about my network operator. It provide only Internet over LTE and voice over 3g.
I would think that forcing the phone into LTE only mode would prevent a connection to the network, hence the ghostbusters symbol.
Try setting it back to Auto, and Network Mode LTE/CDMA/EvDo/GSM/WCDMA
I ask people on local 9505 forum. LTE here works only when set LTE only mode.
It works on i9505 but doen't work on my i377.
svs57 said:
I ask people on local 9505 forum. LTE here works only when set LTE only mode.
It works on i9505 but doen't work on my i377.
Click to expand...
Click to collapse
I think that's your best bet, the users here are 95% North American users. It would probably be best to post in the I9505 forum since there will be more international users. I couldn't even find the APN for your carrier.
apns-conf.xml
<apn carrier="Megafon Internet"
mcc="250"
mnc="02"
apn="internet"
user="gdata"
password="gdata"
type="default,supl"
/>
lteon_netlist.xml
<whiteLists numeric="25002" ltestate="PS/CSFB" operator="MegaFon" country="Russia" defaultMode="GWL"/>
PS
I know answer in i9505 forum:
Go to i337 forum and ask there
Does anybody have ideas what to try?
Do anybody use LTE Band 7 - 2600MHz on i337?
Is it possible?
svs57 said:
Do anybody use LTE Band 7 - 2600MHz on i337?
Is it possible?
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Click to collapse
No it's not possible. Look at the following screenshot below for proof. You will never be able to get LTE with the ATT version of the phone no matter what you do. The phone doesn't support that band. End of story.
Sent from my SGH-I337 using xda premium
Hope you are wrong. i377 and i9505 have the same hardware. The difference is only in bootloader
i use one of these but i tricked mine out with an extendable painters pole
svs57 said:
Hope you are wrong. i377 and i9505 have the same hardware. The difference is only in bootloader
Click to expand...
Click to collapse
He is correct here's the spec info from gsmarena notice the 4g late bands listed the bottom one lists the i337 ones and it doesn't have 2600
sent from my SGH - leet ( i337) using Tapatalk 4 beta
What do you think about these screenshots?
I think Band 7 is prevented on software level.
See also these screenshots
I337, Omega9, KT kernel
Modem UCUAMDL AWS unlocked
doktor buknasty said:
No it's not possible. Look at the following screenshot below for proof. You will never be able to get LTE with the ATT version of the phone no matter what you do. The phone doesn't support that band. End of story.
Sent from my SGH-I337 using xda premium
Click to expand...
Click to collapse
"The Show Must Go On"
Hello, I have samsung galaxy s4 i337 from AT&T, followed the unlocking guide to have it sim unlocked via dialer code etc when I was on MDL baseband. I am now running Dandroid (super awesome) but wondering if I was going to flash a new baseband/modem, would that remove the sim unlock also? I am on T-Mobile network. Any help would be greatly appreciated. Thank you!
No it will not. One you're unlocked it'll stay that way
jd1639 said:
No it will not. One you're unlocked it'll stay that way
Click to expand...
Click to collapse
It does not retain AWS bands though correct? As I have T-Mobile freq enabled through AWS mod.
anhqn91 said:
It does not retain AWS bands though correct? As I have T-Mobile freq enabled through AWS mod.
Click to expand...
Click to collapse
You'll have to reinstall the aws mod
Hi guys I am requesting a little bit of help. Ihad a s4 canadian variant ,tried many custom roms but still having trouble with 4g lte. I had the correct apn's but in "about device" i reached only HSPA or HSPA+ .mY device is unlocked and I"m using ATT service.Also I tried to flash another modem but It didn't change and I don't know why. I'm running on mk6 stock one.My rom right know is a based canadian one maple leaf I had installed xposed , wanam and many other addsand I had Philz recovery instelled. Am I missing something else? WHat I did wrong or what's steps I had to do to finish my Job..?>
thank's alot for your help!!!
cjoel37 said:
Hi guys I am requesting a little bit of help. Ihad a s4 canadian variant ,tried many custom roms but still having trouble with 4g lte. I had the correct apn's but in "about device" i reached only HSPA or HSPA+ .mY device is unlocked and I"m using ATT service.Also I tried to flash another modem but It didn't change and I don't know why. I'm running on mk6 stock one.My rom right know is a based canadian one maple leaf I had installed xposed , wanam and many other addsand I had Philz recovery instelled. Am I missing something else? WHat I did wrong or what's steps I had to do to finish my Job..?>
thank's alot for your help!!!
Click to expand...
Click to collapse
Make sure you have an ATT APN and the correct network mode selected, LTE/GSM/WCDMA
899289
L Chupacabra said:
Make sure you have an ATT APN and the correct network mode selected, LTE/GSM/WCDMA
I already check it and have the same problem. It don't run 4g lte.
Click to expand...
Click to collapse
cjoel37 said:
L Chupacabra said:
Make sure you have an ATT APN and the correct network mode selected, LTE/GSM/WCDMA
I already check it and have the same problem. It don't run 4g lte.
Click to expand...
Click to collapse
Are you sure you are in an LTE area?
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Click to collapse
L Chupacabra said:
cjoel37 said:
Are you sure you are in an LTE area?
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Click to collapse
Yes I have cause I had net 10 before and It worked 4g lte .I had changed because most people said that ATT is the quickest network and probably is but you have to use their own machines.they said,... I flashed original stock tar to start it fresh to see if there was some trouble when I flashe custom roms I will use triangle apk app to reset counter to 0 and start it over once I root again my machine. I will keep in contact thanks!!
Click to expand...
Click to collapse
cjoel37 said:
L Chupacabra said:
Yes I have cause I had net 10 before and It worked 4g lte .I had changed because most people said that ATT is the quickest network and probably is but you have to use their own machines.they said,... I flashed original stock tar to start it fresh to see if there was some trouble when I flashe custom roms I will use triangle apk app to reset counter to 0 and start it over once I root again my machine. I will keep in contact thanks!!
Click to expand...
Click to collapse
Dial:
*#*#4636#*#*
Set preferred network type to LTE/GSM
Click to expand...
Click to collapse
I got a S7 edge US Cellular branded from Walmart.. It is UNLOCKED. I put in my tmobile sim, I get lte, but, signal strength is low.
Is it possible to flash Tmobile software on this phone? The reason is I am not getting any strong signals (inspite of it supporting all corresponding LTE bands from Tmobile). Has anyone tried?
what options do I have? Any help is appreciated.
Thanks!
myechophone said:
I got a S7 edge US Cellular branded from Walmart.. It is UNLOCKED. I put in my tmobile sim, I get lte, but, signal strength is low.
Is it possible to flash Tmobile software on this phone? The reason is I am not getting any strong signals (inspite of it supporting all corresponding LTE bands from Tmobile). Has anyone tried?
what options do I have? Any help is appreciated.
Thanks!
Click to expand...
Click to collapse
US cellular is just G935U I believe. You can just download the tmobile firmware, stick it in Oden and press flash. I suggest you to try flashing only the modem from the T firmware and use 935U firmware for everything else.
Eric1084 said:
US cellular is just G935U I believe. You can just download the tmobile firmware, stick it in Oden and press flash. I suggest you to try flashing only the modem from the T firmware and use 935U firmware for everything else.
Click to expand...
Click to collapse
I actually just flashed TMO version via Odin, so far, all seems to be working fine. Does the U version support HD voice/ VOLTE/ Wifi calling on tmobile?
If you flash the T-Mobile firmware then yes and if you flash the U firmware then No
myechophone said:
I actually just flashed TMO version via Odin, so far, all seems to be working fine. Does the U version support HD voice/ VOLTE/ Wifi calling on tmobile?
Click to expand...
Click to collapse
myechophone said:
I actually just flashed TMO version via Odin, so far, all seems to be working fine. Does the U version support HD voice/ VOLTE/ Wifi calling on tmobile?
Click to expand...
Click to collapse
Is your US Cellular G935U? I bought a used one/unlocked -not in Walmart though- and it shows G935R4. I guess I will brick my device if I flash the Tmobile firmware. The problem that I have it show 4glte and speeds are amazing, however there are no bars shown. When I get a call, it shows bars and makes the calls with no issues. SMS works great.
Mr. Clown said:
Is your US Cellular G935U? I bought a used one/unlocked -not in Walmart though- and it shows G935R4. I guess I will brick my device if I flash the Tmobile firmware. The problem that I have it show 4glte and speeds are amazing, however there are no bars shown. When I get a call, it shows bars and makes the calls with no issues. SMS works great.
Click to expand...
Click to collapse
It is the same one I got from Walmart. I flashed the T-Mobile firmware and the phone rocks. It's a seamless process if you have some basic knowledge of flashing. I can help you if needed. Please let me know... thanks.
myechophone said:
It is the same one I got from Walmart. I flashed the T-Mobile firmware and the phone rocks. It's a seamless process if you have some basic knowledge of flashing. I can help you if needed. Please let me know... thanks.
Click to expand...
Click to collapse
Thanks, I actually flashed the T-Mobile firmware and it worked pretty well. It failed when I tried to use an older version of Odin. Once you used the most recent one, it's flawless and with no issues.
myechophone said:
I actually just flashed TMO version via Odin, so far, all seems to be working fine. Does the U version support HD voice/ VOLTE/ Wifi calling on tmobile?
Click to expand...
Click to collapse
Does 4x4 MIMO LTE works in this device with T-Mobile firmware/modem?
dennis5pia said:
Does 4x4 MIMO LTE works in this device with T-Mobile firmware/modem?
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Click to collapse
I am not sure how to check that. Any clue?
myechophone said:
I am not sure how to check that. Any clue?
Click to expand...
Click to collapse
Maybe with a speed test. If you are root there is an app that tells you. SIGNAL GURU
Every Rom I tried on my GALAXY S4, lately my calling hasn't worked at all on any of the Roms, I would open the phone app trying to call Voicemail and nothing happens, it doesn't ring or nothing just a long pause and a single beep?. I tried finding ways online how to fix it but so far no luck :-/, has anyone found a solution to fix it? Because Im actually so lost on what to do about it right now.
This happens when running the latest stock ROM? Phone shows the correct IMEI from the dialler?
audit13 said:
This happens when running the latest stock ROM? Phone shows the correct IMEI from the dialler?
Click to expand...
Click to collapse
Yeah like my texting and data works fine it's just the calling that doesn't work, and I'm just like lost now and ran out of ideas, like when I go in the settings and go under phone info and it shows I'm connected to mobile network and IMEI info is still the same from stock ROM.
I'm stumped. The sim is working since text and data work.
Is the phone being used with the carrier that issued the phone or was the phone purchased outright and unlocked?
audit13 said:
I'm stumped. The sim is working since text and data work.
Is the phone being used with the carrier that issued the phone or was the phone purchased outright and unlocked?
Click to expand...
Click to collapse
It was originally by telus Canada variant, but recently in Canada they made it free to get your phone unlocked under certain conditions, so I called telus and they unlocked it for me to be world wide, because my phone is actually so simaler to the US and European variant, on how they are built so I Flashed TWRP GT-i9505 on it and now so now I'm running XOSP-UNOFFICAL-20180114-JFLTEXX and everything works except calling, right now that's how I'm responding to this thread is by mobile data.
Yes, the sgh-337m (Canadian variant) and GT-i9505 are very similar but the radio bands supported by each model is different. Maybe certain radio bands need to be unlocked or enabled for voice?
You could try this website to check compatibility with a stock i337m ROM: https://willmyphonework.net/
Edit: I just noticed you are in Vancouver. Which carrier is being used with the phone?
audit13 said:
Yes, the sgh-337m (Canadian variant) and GT-i9505 are very similar but the radio bands supported by each model is different. Maybe certain radio bands need to be unlocked or enabled for voice?
You could try this website to check compatibility with a stock i337m ROM: https://willmyphonework.net/
Edit: I just noticed you are in Vancouver. Which carrier is being used with the phone?
Click to expand...
Click to collapse
I am using Freedom mobile is my current service provider, not the biggest company but they are growing. OK I'll look at that link
Did you modify the radio bands to enable AWS for Freedom? I know they are expanding their LTE network to bring LTE to phones that previously worked on 3g only like the iPhone 6s a1688.
Modify Bands? May you describe what that is and how? Because I didn't modify anything all I did one day was Flashed stock ROM via Odin from SamMobile and ever since them my IMEI hanged or anything
Freedom frequencies aren't supported by the i337m. The freedom version of the s4 is the sgh-m919v.
https://forum.xda-developers.com/showthread.php?t=2291589
audit13 said:
Freedom frequencies aren't supported by the i337m. The freedom version of the s4 is the sgh-m919v.
https://forum.xda-developers.com/showthread.php?t=2291589
Click to expand...
Click to collapse
What how is that possible I get mobile data and texting though? Because even In Stock ROM I'm able to call as well?
So your talking about Sgh-i337m right?
Just want to confirm that calling with a stock rom on freedom doesn't work but data and text does? If yes, that is strange that calling doesn't work.
Does calling work with another carrier?
audit13 said:
Just want to confirm that calling with a stock rom on freedom doesn't work but data and text does? If yes, that is strange that calling doesn't work.
Does calling work with another carrier?
Click to expand...
Click to collapse
No I mean when I ran Lollipop from SamMobile calling worked 100% same with texting and data, but calling doesn't work running custom Rom, it works for texting and Data but not calling.
That is strange. The custom ROMs are made for the jflte?
audit13 said:
That is strange. The custom ROMs are made for the jflte?
Click to expand...
Click to collapse
This is a screenshot of my device info and Rom and no its for the gfltexx
I just noticed now but in the screenshot of "mobile network state" that it says "disconnected" now I'm confused. About my phone is GT-I337M is the original model name.
I think it may be a kernel issue. Is the phone running the kernel included with the rom?
I never actually knew the differences were between a Rom and a kernel? For a while ithought they were the same, hold on I'll take a screenshot of it.
audit13 said:
I think it may be a kernel issue. Is the phone running the kernel included with the rom?
Click to expand...
Click to collapse
This is what it is.