Type dialer *#197328640# and go to UMTS>DEBUG SCREEN>PHONE CONTROL>NETWORK CONTROL>BAND SELECTION>GSM BAND OR WCDMA BAND
important...
1. hit your conty carier network band. others not working eg, sri lanka gsm band is 900/1800. wcdma 2000
2, dont hit any other options. if hit you may broke your rom.
3. befor you going to flash another rom first hit the band to automatic
UMTS>DEBUG SCREEN>PHONE CONTROL>NETWORK CONTROL>BAND SELECTION>automatic
if you help this advice just hit the thanks button.
How to get into that menu.. What's the code?
Enviado desde mi SAMSUNG-SGH-I747 usando Tapatalk 2
11fabe said:
How to get into that menu.. What's the code?
Enviado desde mi SAMSUNG-SGH-I747 usando Tapatalk 2
Click to expand...
Click to collapse
*#197328640#
harshaedvern said:
Type dialer *#197328640# and go to UMTS>DEBUG SCREEN>PHONE CONTROL>NETWORK CONTROL>BAND SELECTION>GSM BAND OR WCDMA BAND
important...
1. hit your conty carier network band. others not working eg, sri lanka gsm band is 900/1800. wcdma 2000
2, dont hit any other options. if hit you may broke your rom.
3. befor you going to flash another rom first hit the band to automatic
UMTS>DEBUG SCREEN>PHONE CONTROL>NETWORK CONTROL>BAND SELECTION>automatic
if you help this advice just hit the thanks button.
Click to expand...
Click to collapse
It is easier to just type "*#2263#" in your dialer because it takes you directly to the network selections you are referring to.
Sent from my SAMSUNG-SGH-I747
Some carriers use restrictions (RAT restrictions) to prevent this.
mrhaley30705 said:
Some carriers use restrictions (RAT restrictions) to prevent this.
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Click to collapse
In this case..such as with AT&T, you would dial *#197328640# and go to UMTS>DEBUG SCREEN>PHONE CONTROL>NETWORK LOCK>RAT_FREE_SUPPORTITNG ON (supporting is misspelled with the last T and I swapped around). After this you can use the OP method or from the dialer type *#2263# which takes you directly to the band selection options. Whenever I was running stock rom, I used this method all the time. The one catch with RAT restrictions is you have to redo the option to unlock the RAT every time you reboot.
There are four options under band selection: Automatic will allow for LTE, 3.5G, and 2G depending on what signals are available. However if you choose one of the other three options, it locks into that particular bandwidth. If you choose LTE you will only have data capabilities since LTE does not currently handle voice calls. If you move out of an LTE area, you will no signal. The same applies to all except for automatic which switches between bands as needed.
On the other hand if you are trying to disable LTE only, then there is a completely separate method of doing this (assuming that network preferences does not work). Create an APN and just name if Fake. Once created, enable it and exit and go to dialer. You will lose data, but this is only temp. You must wait about 25 seconds then dial *#*#4636#*#* and choose "Device Information". You will see a dropdown menu that says "WCDMA preferred". Change this to "GSM/CDMA auto (PRL) and exit. Go back to the APN settings and switch to the one that works for LTE. However, you will now only have 2g and 3g capability with LTE disabled. This will last until reboot, airplane mode, or an option is chosen from one of the dialer methods selected above (normally, the selected bandwidth under the dialer method contains a * next to it. When disabling LTE with the APN however, when you go into it none of these are annotated with the *. You are effectively "tricking" the phone to work the way you want it.)
Correct, and sometimes if you lose lte you can re select all the lte bands, then automatic, and you'll regain your lte
Related
How I can switch my Fire Phone to 3G Only Band? Some App or somthing? Who help? :what:
Go to the dialer, enter *#*#4636#*#* and tap "Phone Information". On the next screen, you can select 'WCDMA preferred' from the drop-down menu. However, I'm not sure if the phone will automatically reset itself back after a restart or whatnot.
Yes. I discovery that. Its simple and easy. Now for me, a very good phone.
Is there anyway to turn off 3G ? for use 2G GSM only mode , I want to use EDGE option since my area has the weak 3G signal.
ease_the_pain said:
Is there anyway to turn off 3G ? for use 2G GSM only mode , I want to use EDGE option since my area has the weak 3G signal.
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Click to collapse
You follow the same steps I gave in my previous post. Instead of selecting WCDMA preferred, you select GSM only in the drop-down menu.
ged92781 said:
You follow the same steps I gave in my previous post. Instead of selecting WCDMA preferred, you select GSM only in the drop-down menu.
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Click to collapse
Thank you it works great without reset the phone.
And easier and lazier way is to install the app "Phone testing", it is the shortcut to the same menu. On Motorola phone the app is required because that dialer combination doesn't work.
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.
Click to expand...
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.
long story short, my kid messed with the service mode *#2263#
band selection and now it doesn't work properly.
it there a way to reset the service mode to default settings or
does anyone know what should be selected ?
obviously it's a SM-N910A
selecting band in service mode note 4 at&t
type *#2263# in phone keyboard to enter in the service mode. then click on no 8 option Automatic you will see SET: Automatic. click on it. Thats all Your mobile will automatically set bands according to your carrier.
Please help.. Is there a way to set network mode to 4G only or LTE only?... In settings, I only have the Autoconnect, 2G only and 3G only options.. Thanks..
Is your SIM card already 4G supported? What's your carrier?
The 4G auto connect is available? Apps might be able to access 4636 without root. In there, if there's an option, select phone information, then lock the RAT to 4G only. Alternatively, if *#2263# or *#2683662# is available, in *#0011# select the other SIM if there is any, then in those other codes, band selection, GSM ALL (for the unused SIM), change SIM again with *#0011#, band selection, LTE ALL(for the used SIM). What's expected: If the SIM is not a USIM, the RAT will stay on 3G(UMTS/WCDMA). If the USIM is not authorized, no signal. With soft PLMN locking (manual operator search) the signal level is shown but it's unusable. If the signal is still not available, maybe the phone does not support that band/frequency or no LTE coverage? If rooted it's possible to add LTE only in those settings in feature.xml, if that file is not available others.xml is used. Or launch 4636, or RIL service mode with am broadcast.
Use this app (no root needed). Set to LTE ONLY. Works fine.
play.google.com/store/apps/details?id=com.ather.networkmode&hl=nl
This is worth a try. It's 4636.
ADD THIS IN system\csc\other.xml
<CscFeature_Setting_CustNetworkSelMenu4>LTEONLY</CscFeature_Setting_CustNetworkSelMenu4>
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Click to collapse
its very easy. you just need to install this app https://play.google.com/store/apps/details?id=com.teknokia.mtkengineerapp&hl=en and choose LTE Switcher menu. for detail info please go to https://www.teknokia.com/2017/08/how-to-lock-4g-only-or-lte-only-on.html
*#2263#
Is there any way we can force cellular network to be 4G LTE only? I want to stop it from automatically switching to H+.
I'm on stock nougat, rooted.
I think you can change it in the hidden service menu. BUT be VERY CAREFUL not to change other things in there.
First make sure your preferred network type is LTE auto, not 3g or 2g only.
Next, go to phone / dialer app.
Enter: *#*#4636#*#*
It should automatically direct to Testing menu, with Phone information, Usage statistics, and Wi-Fi information choice.
Select "Phone information".
Warning: There's many things to see here, but you can easily ruin your radio band in here. Just follow this guide and do not even touch other things.
Go to "set preferred network type"
I'm not sure what it would show for your phone, but for mine it shows "LTE/UMTS auto (PRL)".
Select "LTE only". It should immediately reset your network to 4G.
If it still switches to 3G, then test other options in the "set preferred network type" option.
After finish, exit the hidden menu and clear it from recent apps menu.
Warning: DO NOT CHANGE OTHER VALUES IN THERE IF YOU DON'T KNOW WHAT YOU'RE DOING. IT COULD RUIN YOUR RADIO BAND IF YOU'RE NOT CAREFUL.
Thanks. It worked.