Hello,im using my m8 as an Lte router and would like to know if there is a way i can enable band locking.
I ask this because i've tried a band locking software to choose preferred Lte bands,but it seems doesnt work and doesnt show any band.
Is this a kernel or build related problem ?
Thx in advance for reply
https://imgur.com/a/2pZMlKI
my device info
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I have noticed people managed to change their network mode to GSM only mode??? How do you that?? I only have 2 options: WCMDA and GSM/WCDMA auto?? Is this thing vary due to your courier?? Currently I am with 3 Australia. I wish I have the option to switch only to GSM. From experience, it can save you a lot of battery.
If you don't have the option then you can't pick it. I don't know if that means it's been removed or if it's simply because 3 don't offer a 2G network service (GSM mode). They probably have some 2G sharing but only in spots without 3G so you still have the GSM/WCDMA auto mode.
That's the best I can offer since I know that's how it works with 3 over here in the UK where they have only their 3G network. The firmware likely has GSM mode disabled for that reason but wait for more to back me up or prove me wrong.
Dyonas said:
If you don't have the option then you can't pick it. I don't know if that means it's been removed or if it's simply because 3 don't offer a 2G network service (GSM mode). They probably have some 2G sharing but only in spots without 3G so you still have the GSM/WCDMA auto mode.
That's the best I can offer since I know that's how it works with 3 over here in the UK where they have only their 3G network. The firmware likely has GSM mode disabled for that reason but wait for more to back me up or prove me wrong.
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I have a feeling it could be the ROM or firmware that comes with it has it disabled the GSM only option. My Desire HD is the UK version. I am not sure if the other Australian version (from Voda or 3) have that options. With my original desire (and also using 3), I have that GSM only option available. So I dont think it's because 3 doesnt offer 2G network.
Get Advanced settings from Market. You can set it to GSM Only in the phone information menu.
LecterMe said:
Get Advanced settings from Market. You can set it to GSM Only in the phone information menu.
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Thank you for sharing..yes, it works....but I will try out and see if it does save a lot of battery life.
Type *#*#4636#*#* in the phone dialer to get to testing menu. Under phone info you can set different options that are not otherwise available. No app is required.
Sent from my HTC Desire using Tapatalk
ardsar said:
Type *#*#4636#*#* in the phone dialer to get to testing menu. Under phone info you can set different options that are not otherwise available. No app is required.
Sent from my HTC Desire using Tapatalk
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Click to collapse
Thanks for the info. I have tested both method...both work. But the only problem, how do we set it permanently?? I mean I have noticed every time you reboot the phone, the setting changes?? and I have to set it back to GSM only??
but even if you could technically switch it to gsm, would it actually make a difference? surely if the actual mobile network is pure 3g and no 2g, then switching on the phone wouldn't change a thing? as its not actually possible to use 2g on 3 network?(because they built network from scratch out of 3g is what they always boast about anyway..)
This is strange. I have an unbranded bought sim free HTC sensation here in the UK which Im using on the 3 network and I dont have the option under network to set it to gsm only. This option should be here on an unbranded handset, and its there on my old Desire which was also bought unbranded sim free when Im using that on the 3 network.
Anyone shed any light on this? I know the work arounds mentioned above, but Im more interested in why the option is missing on my handset.
Cheers
PS I know this is the Desire HD thread but its the only topic I could find on this subject so far.
I don't think it matters, just don't even bother with the settings menu for that in the first place. in the Testing menu just set the radio to either GSM Auto (PRL) or GSM Only. GSM gives more talk time.
my understanding is that typically only Samsung's own Field Engineering app will expose and even force the Band in use, often, typically "band IV" or Band II when I have a 3G/HSPA connection (=AWS or PCS band). Is there a way using a rooted phone loaded with a flavor of CM to see that as well? (Either just display the band or even lock on a band. I'm asking if there in an alternative engineering app that would work... if you run CM.
Or is the only solution to return to a stock Samsung/T-mobile Android version if you want expose "Band in use"?
korny249 said:
my understanding is that typically only Samsung's own Field Engineering app will expose and even force the Band in use, often, typically "band IV" or Band II when I have a 3G/HSPA connection (=AWS or PCS band). Is there a way using a rooted phone loaded with a flavor of CM to see that as well? (Either just display the band or even lock on a band. I'm asking if there in an alternative engineering app that would work... if you run CM.
Or is the only solution to return to a stock Samsung/T-mobile Android version if you want expose "Band in use"?
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Not sure if this is what you are after, but go into Settings and under Wireless & Networks choose More...then choose Mobile Networks, in there you can choose Network modes and also force to use only 2G networks.
Thanks for the reply. It's not what I meant though, I want to see which band I'm getting service on. For example AWS or PCS band. my Samsung with stock android on the above examples it would say band 4 or band 2.
But I suspect you need stock android from the OEM to keep that ability.
Sent from my Nexus 4 using Tapatalk 2
A family member gifted me a Galaxy S4, however it is the SGH-M919. I currently live in Europe and 3G bands in my region are GSM 900/1800. At the moment I can't access 3G and any other type of data for that matter (LTE is not supported here). Is there a way to change T-mobile 950 and 1900 bands to my region ones?
Thanks for taking your time to answer
Sadly not.
Since the radio does not support those frequencies for hsdpa
TheArtiszan said:
Sadly not.
Since the radio does not support those frequencies for hsdpa
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So there's no way to fix it?
Hello Flex,
I have the same phone "Samsung S4 SGH-M919 - Tmobile" and I live in Hungary, it works fine with me all you have to do is just to switch form WCDMA/GSM to any other option "like GSM only" then back to WCDMA/GSM as a kind of refresh and the 3G will work fine after that, you can find this inside Settings > More Networks > Mobile Networks > Network mode, but unfortunately you have to do this every time you restart your device.
There is also another alternative solution is to reset the Access point names to default, you can find this inside Settings > More Networks > Mobile Networks > Access Point Names.
to be honest I don't know the reason of this error, but try what I described and tell me if it works with you.
Good Luck
Well. I have the exact same phone and have tried several ROMs, either custom or stock and basebands also. Nothing seems to work. The very few users who reported it was working didn't provide much evidence of it. Even Wikipedia says no 3G 900MHz availability for this phone. A simple edit to NV 1877 values won't solve it. I've tried that too.
One of the good things about the gs6 is the ability to for b12 and even better ability to choose preferred band in automatic mode.
Does the m9 have some sort of ability like that?
You are talking about the WIFI channel 12 (which is illegal to put your WIFI on in the US)?
Actually I think he is talking about forcing a specific LTE band... (in this case LTE Band 12 which I think is for T-Mobile). Specifically accessing the LTE Band service menu.
For any Samsung device you would enter *#2263# and the "LTE Band" service menu would open up and you can force a specific band. IF this is what he is talking about, it’s actually a great feature because you can "lock in" LTE to a specific band, I use to do this all the time in the Philippines so I wouldn't get kicked off the LTE band. You can also see what LTE bands the phone supports.
When I had the M9, I looked everywhere and tried to find the code to access the LTE menu but I was unsuccessful. Maybe someone here has the code to access the LTE service Band menu. There were some generic codes that work for Google in general BUT none of them worked on the M9.
Try *#*#4636#*#*
crx4xharder said:
Try *#*#4636#*#*
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Click to collapse
That only can forcelte in general
mcmikelw said:
Actually I think he is talking about forcing a specific LTE band... (in this case LTE Band 12 which I think is for T-Mobile). Specifically accessing the LTE Band service menu.
For any Samsung device you would enter *#2263# and the "LTE Band" service menu would open up and you can force a specific band. IF this is what he is talking about, it’s actually a great feature because you can "lock in" LTE to a specific band, I use to do this all the time in the Philippines so I wouldn't get kicked off the LTE band. You can also see what LTE bands the phone supports.
When I had the M9, I looked everywhere and tried to find the code to access the LTE menu but I was unsuccessful. Maybe someone here has the code to access the LTE service Band menu. There were some generic codes that work for Google in general BUT none of them worked on the M9.
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Click to collapse
*#2263# doesn't work for me
But yes LTE band 12
##DATA# on Sprint lets you do something like this, but I believe that code is Sprint-specific.
Hi, my lg g2 ls980 doesn't seem to work on 4g, even though the lte bands are supported by the device. I use a carrier which supports band 3, 5 and 40 and my device supports band 3 and 40. Sim card is also 4g enabled. Originally, the device didn't come with these bands. I added them using qxdm.
When i try to lock to lte using an app called Network Signal guru, it automatically changes to wcdma.
I've posted 2 threads about this issue before and got no response. Those who can help me, please do. It would help me a lot. Thanks!
ps: changing/updating modem doesn't help either.
farhanshaikh671 said:
Hi, my lg g2 ls980 doesn't seem to work on 4g, even though the lte bands are supported by the device. I use a carrier which supports band 3, 5 and 40 and my device supports band 3 and 40. Sim card is also 4g enabled. Originally, the device didn't come with these bands. I added them using qxdm.
When i try to lock to lte using an app called Network Signal guru, it automatically changes to wcdma.
I've posted 2 threads about this issue before and got no response. Those who can help me, please do. It would help me a lot. Thanks!
ps: changing/updating modem doesn't help either.
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Hey bro how did u add the bands on ls980? I m using ls980..can u provide me the steps to add the bands? Only vodafone 4g data works on mine
umeshbluezzz said:
Hey bro how did u add the bands on ls980? I m using ls980..can u provide me the steps to add the bands? Only vodafone 4g data works on mine
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I added lte bands using qxdm professional nv write tool. Check out the post on xda because it has very detailed steps. But the bands don't seem to work. I still dont get any network when changing to lte (bands show up in settings, though.) You might want to give it a try and maybe it could work. Btw now I'm using zenfone max pro m1 so I'll not try to rectify the problem anymore. Good luck
farhanshaikh671 said:
I added lte bands using qxdm professional nv write tool. Check out the post on xda because it has very detailed steps. But the bands don't seem to work. I still dont get any network when changing to lte (bands show up in settings, though.) You might want to give it a try and maybe it could work. Btw now I'm using zenfone max pro m1 so I'll not try to rectify the problem anymore. Good luck
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Yeah i know the post on xda but can u give the files n tools u used which application version? Only send the files u used to add the bands and i'll do the rest
The LS980's hardware (antennas, etc) only supports bands 25, 26, and 41. No software changes you make will add the hardware needed to support other bands.