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[Q] LG G PRO 2 (D838) International Version - LTE CONNECTIVITY issues with AT&T

I am not able to connect to LTE Network in AT&T, I Have tried resetting the LTE settings and explored possible setups in Secret Menu. Still No luck.
If anyone has faced the similar issue, then please post the Step by step procedure, I have rooted and also flashed latest Stock ROM. Still no Luck.
if anyone has successfully connected to the LTE Network on AT&T using a custom ROM also, please let me know
Regards
John
I will owe you a beer if this can be cracked. :victory::highfive:

D838 does not have LTE Band 17 for AT&T only the F350 models have the correct 700Mhz support

coastalmikey said:
D838 does not have LTE Band 17 for AT&T only the F350 models have the correct 700Mhz support
Click to expand...
Click to collapse
is there anything at all that can be done?
I tried flashing the ROM and updating it to the Taiwanese edition,even though I'm able to see the band 17 in the hidden menu, I'm not able to choose it. When I try to choose Band 17 from the Hidden Menu, it displays a different band number.
Is there a way to get it to work?
John

According to pdadb.net, none of the F350 variants support NA 3G or LTE bands. The only G Pro 2 that support NA 3G and LTE bands is the D830. I can't find any retailers that sells it.

My F350L begs to differ. All F350x supports most North American HSPA and LTE band, with a notable exception of LTE band 4.

Here is a screen cap with Band 17 and phone model.

coastalmikey said:
Here is a screen cap with Band 17 and phone model.
Click to expand...
Click to collapse
Is there anything at all that coudl be done to get it compatible to band 17? Please help guys..Got tricked into buying this phone on craigslist..Spent a lot of money on it.

can't connect with 4g, only 3g

Dear friends, I have Nexus 5 but 4G doesn't works . My service provider supports 4G service at 800MHz and 1800MHz as it shown here http://www.gsmarena.com/network-bands.php3?sCountry=Morocco , but my nexus 5 d 821 does not work with 4G, I want to ask that if there is a solution like a roms or others things.
Thanks in advance.

800MHz and 1800MHz are LTE bands 20 and 3 which are supported by your device but those information are for Morocco. Do you have the same information from your carrier?

Primokorn said:
800MHz and 1800MHz are LTE bands 20 and 3 which are supported by your device but those information are for Morocco. Do you have the same information from your carrier?
Click to expand...
Click to collapse
yes my carrier has 1800MHz , but i can't find or connect to 4G on everywhere

Chouiyekh said:
yes my carrier has 1800MHz , but i can't find or connect to 4G on everywhere
Click to expand...
Click to collapse
Do you have a map that could show you the cell towers around you?
Is LTE enabled in your phone settings? (preferred network type)

Primokorn said:
Do you have a map that could show you the cell towers around you?
Is LTE enabled in your phone settings? (preferred network type)
Click to expand...
Click to collapse
no i don't have a map, yes LTE is enable on my phone settings.

Chouiyekh said:
Dear friends, I have Nexus 5 but 4G doesn't works . My service provider supports 4G service at 800MHz and 1800MHz as it shown here http://www.gsmarena.com/network-bands.php3?sCountry=Morocco , but my nexus 5 d 821 does not work with 4G, I want to ask that if there is a solution like a roms or others things.
Thanks in advance.
Click to expand...
Click to collapse
hey Mate,
i have Got the same problem just like you.
i have a white nexus 5 (D821) 32Gb version.
i can't connect to 4G network,unless i'm near the 4G tower.
sometimes the phone loses signal and switches to ''emergency calls only" mode even when i force switching to 3G by typing *#*#4636#*#*
If anyone you kno how to solve this problem or anyone else here do,could you possibly help me out with this.
i'm from méknes by the way.

ZaKaRia OuH said:
hey Mate,
i have Got the same problem just like you.
i have a white nexus 5 (D821) 32Gb version.
i can't connect to 4G network,unless i'm near the 4G tower.
sometimes the phone loses signal and switches to ''emergency calls only" mode even when i force switching to 3G by typing *#*#4636#*#*
If anyone you kno how to solve this problem or anyone else here do,could you possibly help me out with this.
i'm from méknes by the way.
Click to expand...
Click to collapse
hi friend, nice to meet you
i will try to give you a summary of what i reached in the end.
first thing, i discovered that the nexus 5 that i have is not a D821 but it's a D820 means it's the version especially for USA networks, and this mean that 4G of USA networks works on different bands than ours in Morocco, so after finding exactly where the problem, i began looking for a solution and i found this: http://forum.xda-developers.com/google-nexus-5/general/radio-enable-lte-band-3-nexus-5-d820-t2928561 and after application the lesson, i got the 4G connection on my phone, and it's work very well till now.
this is my story, and i think it's a little different than mine.

Chouiyekh said:
hi friend, nice to meet you
i will try to give you a summary of what i reached in the end.
first thing, i discovered that the nexus 5 that i have is not a D821 but it's a D820 means it's the version especially for USA networks, and this mean that 4G of USA networks works on different bands than ours in Morocco, so after finding exactly where the problem, i began looking for a solution and i found this: http://forum.xda-developers.com/google-nexus-5/general/radio-enable-lte-band-3-nexus-5-d820-t2928561 and after application the lesson, i got the 4G connection on my phone, and it's work very well till now.
this is my story, and i think it's a little different than mine.
Click to expand...
Click to collapse
i'm glad you answered.
and i'm glad you figured that out and solved your problem.
my case is somewhat different from yours.
before enabling those bands,you never caught 4G signal.
but for me,i do get 4G signal and connect to it,i access internet data, surfe,and make calls,but it's only when i'm near a 4G network tower.
which means the band is already activaed,it's just a deal with the signal strength.
if you can help me,i'd really appreciate that.
i'm really confused wether to flash those drivers or do something about the radio,cuz this problem brings about another problem which is battery drain,
my battery drains faster cuz the phone keeps searching for network.
just to let you know,when i go to bootloader it says Lg nexus 5 D821 (H)

ZaKaRia OuH said:
i'm glad you answered.
and i'm glad you figured that out and solved your problem.
my case is somewhat different from yours.
before enabling those bands,you never caught 4G signal.
but for me,i do get 4G signal and connect to it,i access internet data, surfe,and make calls,but it's only when i'm near a 4G network tower.
which means the band is already activaed,it's just a deal with the signal strength.
if you can help me,i'd really appreciate that.
i'm really confused wether to flash those drivers or do something about the radio,cuz this problem brings about another problem which is battery drain,
my battery drains faster cuz the phone keeps searching for network.
just to let you know,when i go to bootloader it says Lg nexus 5 D821 (H)
Click to expand...
Click to collapse
i understood your issue and i wish that i were able to give you a hand, but unfortunatly, i hope you find your way
my best regards

Chouiyekh said:
i understood your issue and i wish that i were able to give you a hand, but unfortunatly, i hope you find your way
my best regards
Click to expand...
Click to collapse
thanks anyway dawg , i'm pleased to discuss with you

Chouiyekh said:
i understood your issue and i wish that i were able to give you a hand, but unfortunatly, i hope you find your way
my best regards
Click to expand...
Click to collapse
salamo3alikom.
Dude,you won't believe this !!
i just removed the back cover of my nexus 5 and was freaked out to find out it was actually an american model D820
thought the fact that in fastboot mode( bootloader) it says it's a D821 (H)
and guess what ! that (H) confused me and made me doubting it to not be a global (indian) version.
i guess i need to flash Some bands to get my LTE working properly.
thoughtless it's working but only when i'm near a 4G tower !
please help me.
i'd really appreciate that.

ZaKaRia OuH said:
salamo3alikom.
Dude,you won't believe this !!
i just removed the back cover of my nexus 5 and was freaked out to find out it was actually an american model D820
thought the fact that in fastboot mode( bootloader) it says it's a D821 (H)
and guess what ! that (H) confused me and made me doubting it to not be a global (indian) version.
i guess i need to flash Some bands to get my LTE working properly.
thoughtless it's working but only when i'm near a 4G tower !
please help me.
i'd really appreciate that.
Click to expand...
Click to collapse
wa 3alaykoum salam,
don't panic, do these steps :
1- go to "settings"
2- scroll down to "About Phone"
3- then "regulatory information"
4- take a screenshot and share it with me here to take a look

Chouiyekh said:
wa 3alaykoum salam,
don't panic, do these steps :
1- go to "settings"
2- scroll down to "About Phone"
3- then "regulatory information"
4- take a screenshot and share it with me here to take a look
Click to expand...
Click to collapse
i can't find it under setting/about phone.
since i installed A custom RoM AOSP nougat 7.0 and modified the build.prop to get google assistant working.

ZaKaRia OuH said:
i can't find it under setting/about phone.
since i installed A custom RoM AOSP nougat 7.0 and modified the build.prop to get google assistant working.
Click to expand...
Click to collapse
ahh, i dont know where to find it with Nougat, i have shown you on Marshmallow, what about return to 6.0.1 ? and go to the missing setting then take a screenshot and share it with me

Chouiyekh said:
ahh, i dont know where to find it with Nougat, i have shown you on Marshmallow, what about return to 6.0.1 ? and go to the missing setting then take a screenshot and share it with me
Click to expand...
Click to collapse
ok.
it's worth trying.
i'll restore the MM backup and share the screenshot asap.
please keep in touch.

Chouiyekh said:
ahh, i dont know where to find it with Nougat, i have shown you on Marshmallow, what about return to 6.0.1 ? and go to the missing setting then take a screenshot and share it with me
Click to expand...
Click to collapse
hey bro!
how are you doing ?
i hope you are fine[emoji4]
sorry for this long escape ( been so freaking busy with exams and preparation )
i really am confused with this device !
i thought it to be a nexus 5 model D820 because it can't catch 4G properly , then i removed the back cover and found it's A (D820) then went to regulatory information like you said found it's a (D821 )
went to fastboot mode found out it's a (D821 {H} )
i'm freaking confused.
i used an app called ''LTE Discovery'' to identify which bands my phone uses to connect to 4G when it catches it, i found band 3 and 7 !
do i still need to enable any additional bands like 7 or 20 to get 4G working properly ?
waiting to hearing from you soon !
sincerely,
Zackaria.
Sent from my Pixel XL using Tapatalk

ZaKaRia OuH said:
hey bro!
how are you doing ?
i hope you are fine[emoji4]
sorry for this long escape ( been so freaking busy with exams and preparation )
i really am confused with this device !
i thought it to be a nexus 5 model D820 because it can't catch 4G properly , then i removed the back cover and found it's A (D820) then went to regulatory information like you said found it's a (D821 )
went to fastboot mode found out it's a (D821 {H} )
i'm freaking confused.
i used an app called ''LTE Discovery'' to identify which bands my phone uses to connect to 4G when it catches it, i found band 3 and 7 !
do i still need to enable any additional bands like 7 or 20 to get 4G working properly ?
waiting to hearing from you soon !
sincerely,
Zackaria.
Sent from my Pixel XL using Tapatalk
Click to expand...
Click to collapse
what concerns us is what there is within the system and not back cover, so depending on the picture attached and what you said, the version D821 should run 4G, because the bands necessary are already exists. did you tried other SIM cards ( maroc telecom, meditel, inwi ) ? what did you get ? the same problem ?

Chouiyekh said:
what concerns us is what there is within the system and not back cover, so depending on the picture attached and what you said, the version D821 should run 4G, because the bands necessary are already exists. did you tried other SIM cards ( maroc telecom, meditel, inwi ) ? what did you get ? the same problem ?
Click to expand...
Click to collapse
i'm using ''maroc telecom'' thought i tried other Sim cards nothing has changed.
i tried inwi. it works well !
i don't know if i still have to activate any additional bands like band 8 and 20 ?
i talked to the guy that have posted the video in youtube and said that i need to activate band 20 if it isn't activated yet.
then talked to developer ''azlun'' who first succeeded to activate band 3 and 20 and said that if band 3 is already activated , but 4G still doesn't work properly , then i need to activate band 8 and 20 which is impossible due to hardware limitations.
what i really need to know what bands are used to connect to 4G in morocco ?
i already have band 3 and 7 activated.
if i have A D821 what others do i still have to activate ?
Sent from my Nexus 5 using Tapatalk

ZaKaRia OuH said:
i'm using ''maroc telecom'' thought i tried other Sim cards nothing has changed.
i tried inwi. it works well !
i don't know if i still have to activate any additional bands like band 8 and 20 ?
i talked to the guy that have posted the video in youtube and said that i need to activate band 20 if it isn't activated yet.
then talked to developer ''azlun'' who first succeeded to activate band 3 and 20 and said that if band 3 is already activated , but 4G still doesn't work properly , then i need to activate band 8 and 20 which is impossible due to hardware limitations.
what i really need to know what bands are used to connect to 4G in morocco ?
i already have band 3 and 7 activated.
if i have A D821 what others do i still have to activate ?
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
as i know in morocco, the telecom companies use 1800 Mhz and 800Mhz for LTE connection, which means bands 3 and 20, so the global version D821 has bands 3&20 already exists,and the two of them and you don't need to enable any bands! take a look here: D821 LTE bands : 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800).
did you do this step ? calling service client of "maroc telecom" on 888 and tell them that the 4G doesn't work on your phone, and the will activate 4G connection for you, although you have a 4G SIM, you have to call service client of maroc telecom on 888 to ask them to activate LTE connection

Chouiyekh said:
as i know in morocco, the telecom companies use 1800 Mhz and 800Mhz for LTE connection, which means bands 3 and 20, so the global version D821 has bands 3&20 already exists,and the two of them and you don't need to enable any bands! take a look here: D821 LTE bands : 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800).
did you do this step ? calling service client of "maroc telecom" on 888 and tell them that the 4G doesn't work on your phone, and the will activate 4G connection for you, although you have a 4G SIM, you have to call service client of maroc telecom on 888 to ask them to activate LTE connection
Click to expand...
Click to collapse
like i said,
my Sim card has already 4G network.
i already called them.
the problem has to do with my device.
now, you just said Nexus 5 Model D821 has band 3 and 20 enabled.
and i tell you i used an app called LTE discovery to find out which bands my phone uses to connect to 4G i found band 3 and sometimes band 7.
if it's the global version why it doesn't use band 20 ?
maybe i need to enable band 8 or 20.
imma call service client f maroc telecom tomorrow and ask them which bands they rely on.
then, imma be taking the next step.
i will really need your help bro.
and excuse my ignorance.
Sent from my Pixel XL using Tapatalk

Best USA GS 7 version with most band support?

I am leaving the post paid cell service and going prepaid.
I since majority if prepaid US prepaid carriers are Sprint, T-Mobile and some AT&T. I want a GS 7 that will support all three carriers with as much bands possible.
Any suggestions for carrier versions or does the Sprint version support (once unlocked) support AT&T and T-Mobile.

There's only 1 model variant in the US now - they all have the same band support - it all depends on firmware as to what bands are active.
But one thing to consider is that while a Verizon/Sprint phone may work on Tmobile/AT&T the same might not be the case the other way around because the AT&T/Tmo phone will probably have the bands disabled in the FW

Just to show this is my tmobile S7, wcdma bands that are enabled - so seems it would support Verizon/Sprint on bands 800/850/1900/2100 -- 2100 is a band not listed on Phonescoop FYI

nest75068 said:
just to show this is my tmobile s7, wcdma bands that are enabled - so seems it would support verizon/sprint on bands 800/850/1900/2100 -- 2100 is a band not listed on phonescoop fyi
Click to expand...
Click to collapse
wcdma ≠ cdma

unknownbeing said:
wcdma ≠ cdma
Click to expand...
Click to collapse
Guess we'll have to wait until a Sprint/Verizon person gets their phones and get into the service menu to see what it looks like
Wasn't sure if they were the same thing (left Sprint well over a decade ago for GSM and never looked back lol)
But based on your info, then my first comment is probably true - Tmo/AT&T variants will not work on Sprint/Verizon due to not having the proper FW

nest75068 said:
Just to show this is my tmobile S7, wcdma bands that are enabled - so seems it would support Verizon/Sprint on bands 800/850/1900/2100 -- 2100 is a band not listed on Phonescoop FYI
Click to expand...
Click to collapse
Is there a way to set preferred lte band like the s6?

PunishedSnake said:
Is there a way to set preferred lte band like the s6?
Click to expand...
Click to collapse
I haven't tried yet. Don't want to mess something up

nest75068 said:
There's only 1 model variant in the US now - they all have the same band support - it all depends on firmware as to what bands are active.
But one thing to consider is that while a Verizon/Sprint phone may work on Tmobile/AT&T the same might not be the case the other way around because the AT&T/Tmo phone will probably have the bands disabled in the FW
Click to expand...
Click to collapse
Is this right? The FCC filing shows 5 models (SM-G930V [Verizon], SM-G930P [Sprint], SM-G930R4, SM-G930A [ATT], SM-G930T [T-Mobile]). It shows each version having support for different bands.
How would one go about changing the firmware? For instance, if I have the VZW version (doesn't support LTE Band 12) and want to use it on T-Mobile, how would I change the firmware to T-Mobile's?
S7/S7 Edge FCC Filing Showing LTE Support

jblazea50 said:
Is this right? The FCC filing shows 5 models (SM-G930V [Verizon], SM-G930P [Sprint], SM-G930R4, SM-G930A [ATT], SM-G930T [T-Mobile]). It shows each version having support for different bands.
How would one go about changing the firmware? For instance, if I have the VZW version (doesn't support LTE Band 12) and want to use it on T-Mobile, how would I change the firmware to T-Mobile's?
S7/S7 Edge FCC Filing Showing LTE Support
Click to expand...
Click to collapse
As for FW change, not sure how that would go. We shall see what happens when the Dev's get their hands on these and start to figure it out.

nest75068 said:
As for FW change, not sure how that would go. We shall see what happens when the Dev's get their hands on these and start to figure it out.
Click to expand...
Click to collapse
Has that been ever done successfully on any of the carrier devices? You couldn't do that on the S6 to enable certain bands. I'm not too familiar with the other devices.

jblazea50 said:
Has that been ever done successfully on any of the carrier devices? You couldn't do that on the S6 to enable certain bands. I'm not too familiar with the other devices.
Click to expand...
Click to collapse
Well looking at Phonescoop, the S6 had separate CDMA and GSM models. Based on my understanding of the S7, there is 1 phone for the US market (where each carrier has their own model #) but internally the phone is the same.
The only other phone I can think of that had 1 variant for the US market was the iPhone (where each phone internally was the same and the bands that were active was dependent on the FW)

nest75068 said:
Well looking at Phonescoop, the S6 had separate CDMA and GSM models. Based on my understanding of the S7, there is 1 phone for the US market (where each carrier has their own model #) but internally the phone is the same.
The only other phone I can think of that had 1 variant for the US market was the iPhone (where each phone internally was the same and the bands that were active was dependent on the FW)
Click to expand...
Click to collapse
I think on the S5 you could change some of the NV to enable different bands. The iPhones are all one variant and they don't disable certain bands either. I have a 6S+ on T-Mobile (supports all bands); if I swap the sim for Verizon, it'll work on all of Verizon's lte bands as well. The S7 for verizon shows support for bands 2/4/5/13 so I'm not sure if I were to place a T-Mobile sim that it'll enable band 12 since it's not enabled on Verizon's version.
I guess we'll have to wait and see if it's truly one variant of the S7 in the US.

I'm in the UK, I'm wanting the S7 Edge - but don't want the 8890. The screengrab shows it supporting the main UK bands too.. Hm! Can you get simfree phones in US?

PunishedSnake said:
Is there a way to set preferred lte band like the s6?
Click to expand...
Click to collapse
Figured out on the Tmobile variant how to set preferred band.
For me Band 12 is great for calls/texts in my building but HORRIBLE for data so I always switch to Band 4 as my only lte band (which means I don't get calls since I have VoLTE off but no biggie).
To do this on the S7 requires a few more steps than the S6, you have to
*#2263# for service menu
Select clear all bands
Then select LTE band preferences and choose the band you want
Then hit the more button(top right hand corner) and select back
Then hit Apply band band configuration
To revert back to normal go back into the service menu and choose select all bands and then choose apply band configuration

nest75068 said:
Figured out on the Tmobile variant how to set preferred band.
For me Band 12 is great for calls/texts in my building but HORRIBLE for data so I always switch to Band 4 as my only lte band (which means I don't get calls since I have VoLTE off but no biggie).
To do this on the S7 requires a few more steps than the S6, you have to
*#2263# for service menu
Select clear all bands
Then select LTE band preferences and choose the band you want
Then hit the more button(top right hand corner) and select back
Then hit Apply band band configuration
To revert back to normal go back into the service menu and choose select all bands and then choose apply band configuration
Click to expand...
Click to collapse
I just want band 4 to be the preferred one instead of b12

PunishedSnake said:
I just want band 4 to be the preferred one instead of b12
Click to expand...
Click to collapse
Well another thing you can do is go in and specifically turn band 12 off only and will still net you calls and whatnot

nufclad said:
I'm in the UK, I'm wanting the S7 Edge - but don't want the 8890. The screengrab shows it supporting the main UK bands too.. Hm! Can you get simfree phones in US?
Click to expand...
Click to collapse
We normally can purchase phones outright but they are usually branded by their carrier. AFAIK, there wont be a unbranded version in the US. However, isnt the S7 doing something with the phone locking to the first sim/carrier being placed in the phone?

i have a g930t that is working with a Verizon sim card in it . and this is what i did
1: i used the sim unlock app on the s7 tmobile to unlock my phone
2: then flash g930u firmeware
3: i dont know if this one helped or not but i did *#2263# to slect all the bands.
4: turned off the phone
5ut the verizon sim card and turned it on
6: after it finished booting up the phone you will see a message on the screen that will say something like" need to reboot to configurate your sim card" hit ok and let it reboot.
enjoy

Can one use a G930P (Sprint S7) on T-Mobile USA with full band usage? I am assuming the phone would need to have a custom ROM on it.

LG Phoenix 2 (K371) Network mode issue

Hello,
I've got a LG Phoenix 2(K371) phone that I bought from Bestbuy and unlocked through AT&T
The phone is supposed to support the UMTS B1(2100 Mhz) frequency (as stated in specs).
I'm in North Africa right now for a business trip and unfortunately I wasn't able to get any 3G data with the local carrier that uses the UMTS 2100 Mhz frequency, I'm stuck with only 2G while my other phone works just fine.
I tried to change my Network Mode from 4G to 3G but the Network mode menu is missing!!!!!!
My questions are:
1- Does the K371 really supports the UMTS 2100 Mhz frequency ?
2- How can I change my Network mode from 4G/Lte to 3g/WCDMA?
Thanks

Did you ever get this sorted out? I am in Germany and can only get 2G also.

Same here in the UK! Only 2G.
My understanding is that either the official specifications of the phone are wrong - it doesn't support the HSDPA frequency of 2100 MHz, or (most likely) this frequency is disabled in the phone software settings since [email protected] doesn't use this frequency in the US. In any case it is very frustrating: I bought this phone convinced it is going to work while I am travelling in Europe, but obviously it doesn't as 2G data connection is useless.

Same problem in SE Asia. Phone doesn't have the right LTE bands but HSPC should work. Only getting 2G. No option in the hidden menu to change the modem RAT settings that I can see. *#546368#*371#
Anyone have any luck using the k371 overseas?

Same here...
I tried every single method I know in hopes that I could root the phone, but no luck!!!
I believe at&t disabled the said frequencies....
Our only bet is a proper root, and a custom rom..

any update on no UMTS 2100Mhz?

any solutoion on this issue?

I have found a solution. I am using it outside the US. I contacted my cellular provider, gave them the phone name (LG K371) and they sent me a text message with automatic settings for their data network. As soon as I opened it, I got a message like "data settings have been updated" and now it works on 3G and 4G without any issues. You may also be able to find these data configuration settings on your cell service provider's web site.

Seriously???
Please let me know is it AIRTEL service? since i am from INDIA.
we have the same problem in 2 mobiles..

Hmmm
I tried of calling and received setting for MMS , GPRS, INERNET but still i m seeing 2G symbol as E - edge detection
Please help me

Hi this is sainath
am also facing same problem, any one got solutions
please give reply.

tromal said:
Hello,
I've got a LG Phoenix 2(K371) phone that I bought from Bestbuy and unlocked through AT&T
The phone is supposed to support the UMTS B1(2100 Mhz) frequency (as stated in specs).
I'm in North Africa right now for a business trip and unfortunately I wasn't able to get any 3G data with the local carrier that uses the UMTS 2100 Mhz frequency, I'm stuck with only 2G while my other phone works just fine.
I tried to change my Network Mode from 4G to 3G but the Network mode menu is missing!!!!!!
My questions are:
1- Does the K371 really supports the UMTS 2100 Mhz frequency ?
2- How can I change my Network mode from 4G/Lte to 3g/WCDMA?
Thanks
Click to expand...
Click to collapse
Sorry for a late reply, but here's the real scoop about the LG K371 (AT&T)
First, being a "cheap" LG phone, there are very few bands actually included, and they only cover the main (not all) AT&T US frequencies, therefore it's no surprise that doesn't work on all overseas carriers. Again, they are covering only major US bands, and despite what it shows on the box or specs it may not be always true. B1 (2,100Mhz) band has different sub-bands, therefore it doesn't mean that the US B1 will work on an overseas B1, let alone the air-interface (2G/3G/4G/LTE) may not all be supported even if this sub-band exists.
Second, being that it's an AT&T phone, they are knows to load firmware with major restrictions for band selection called RAT Restrictions, which cannot be undone unless you can reflash it with a non-customized firmware, but you can't do that either due to the locked bootloader. A better option is to always go with the un-customized or Tmobile K7/K8 because they always have a lot more bands enabled than the AT&T version. Better yet, go with a Samsung which have more bands even on the AT&T models.
Bottom line, "cheap" phones along with AT&T restrictions will not work everywhere, despite the specs, and there's nothing you can do about it.
And my favorite old adage is "You get what you pay for!" LOL

[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.