[Q] Enable network mode menu or remove lock for changing modes - AT&T Samsung Galaxy S6 Edge

Hello
Now that we have root I would like to change my network mode, my S6 edge is only in LTE/GSM by default.
I don't have the network mode menu in settings, and if I go to *#*#4636#*#* I can see all the possible settings, but only a few of them are enabled. (GSM only, LTE only, WCDMA only, LTE/GSM), but not the one I want LTE/WCDMA/GSM, when I select it, it goes back to the option previously selected.
Anyone else dealing with this?
Will root help us to find a way to change this?
Thank you

your problem is the same to my s6 SM- g920F

Try you tube video " How To Change Network Bands on Any Samsung Phone Without Root" haven't tried myself

Related

[q] tried to only use 2g, now can't go back to 3g

Hi all,
a little while ago, i learned how to use only 2g,
how i did it was:
settings -> wireless network -> mobile networks -> network mode -> and then chose gsm only.
it was good because it only used 2g. however, now i went back to the previous option,
GSM/WCDMA (auto mode) but it still only uses 2g.
I don't know if this is relevant, but i'm using a i9000m, but unlocked on rogers...
thanks in advance!
also currently using.. darky's gingerbread rom is that makes a difference?
i've also played around with quick settings before, however, i've double checked my apn settings and they seem fine...
anyone? please help :S
Try this, go to dialer and input *#*#4636#*#* then choose phone info, select wcdma prefered in the dropdown list, then press menu and select band. After you do this, go to settings and turn airllane mode on, then off and wait, you should have 3g back.
Sent from my Galaxy S using XDA App

[Q] Id like to turn off 4g and just have 3g

hi guys id like to be able to turn 4g at work and just have 3g does anyone have a idea on how I can do this, on a none rooted phone
Onetearfalls said:
hi guys id like to be able to turn 4g at work and just have 3g does anyone have a idea on how I can do this, on a none rooted phone
Click to expand...
Click to collapse
Open your dialer and type *#*#4636#*#* the testing menu should open.
Select Device info.
Now scroll down to where it says "LTE/GSM auto (PRL)".
Now scroll up to where it says "WCDMA preferred" and select it. Your network should now say HSPA:11.
Don't switch to "LTE only" as voice and text wont work since LTE is data only, at least until At&t deploys VoLTE.
The note 3 should retain your selection until you reboot. This also work on the Note 2.
speedy1979 said:
Open your dialer and type *#*#4636#*#* the testing menu should open.
Select Device info.
Now scroll down to where it says "LTE/GSM auto (PRL)".
Now scroll up to where it says "WCDMA preferred" and select it. Your network should now say HSPA:11.
Don't switch to "LTE only" as voice and text wont work since LTE is data only, at least until At&t deploys VoLTE.
The note 3 should retain your selection until you reboot. This also work on the Note 2.
Click to expand...
Click to collapse
That no longer works on AT&T Samsung devices made after the S3 and onward. The disabled that dial code to make their network more uniform and controlled.
Solarenemy68 said:
That no longer works on AT&T Samsung devices made after the S3 and onward. The disabled that dial code to make their network more uniform and controlled.
Click to expand...
Click to collapse
The screenshots I posted came from my at&t note 3.

Taiwan N9208 CSC:BRI, How to enter "WCDMA ONLY" mode

Hi Guys,
I have been trying to find a way to connect to WCDMA mode only and not the "3G/2G (Auto Connect)" mode. I need to do this because 3G reception is little poor but the phone always stays in 2G mode and the internet is DAMN slow.
The Normal method in usual android phones is to type *#*#4636#*#* which brings up a Network selection menu, which doesn't work in our Note 5.
@developers: Can one of your ROM Control apps can be helpful here which have that option of changing Radio to "WCDMA" option only. I recall using a custom ROM once which had that development app built-in which allowed to do so.
PLEASE HELP!!
Bump!
No help possible?
Nothing?

How to change Network Mode of Second SIM Card

Hi OP3 Users,
I am unable to find a setting to change the Network Mode for sim 2 in the stock (non-rooted) 3.1.2 firmware. Is there any way to change that.
SIM 1 has that setting; namely "Preferred Network Type" (and has options "LTE Recommended / 3G / 2G")
Also, i tried using the *#*#4636#*#* code, but it shows nothing but "Testing" and has no options to choose in it.
Any ideas on how we can resolve this?

Note 8 (SM-N950F) Lock network BAND

Hi guys,
I have rooted my note 8 with deluxe ROM to access hidden network setting option to lock specific band of network. As we know that, Hidden network setting option is disabled by Samsung but, I rooted my device and download apk of hidden network setting and placed in system with help of root explorer. Everything went perfect. Now, I can access section where i can select specific band and lock it. I access it with Shortcut Master Lite. But, When i tick on specific band and toggle the selection button then it shows message success. Immediately my network change to my selected band. I can check from *#0011#. But, if my phone remain in stable state for few seconds then it automatically switch to another band. Which mean it didn't lock to specific Band. When i go back to hidden network setting, there is no tick on my selected BAND but toggle but still says that i am on selected band option instead of LTE ALL. I am using India Jio Sim card which support Band 3, 5 and 40. I get very good internet speed on 3 and 5. But, It automatically switch to Band 40 when its remain in stable state.
I want to lock it to Specific band only. Can you help regarding it. I am using deluxe ROM with Android 9.
Thanks
inder
Hello, were you able to fix this problem ?
Am going through the same atm
I'm facing the same issue on my N950F. Don't understand why samsung locked this on the Note 8, most new phones allow this setting. Any way to work around this with root ??
Edit: this is what worked for me https://forum.xda-developers.com/t/how-to-lock-lte-band.3681480/#post-74325453
TL;DR: Get org.vndnguyen.phoneinfo (no longer available on the play store), and run ServiceMode as root. Follow the guide above to disable unwanted LTE bands. Finally a solution that works for devices which Samsung disabled the "Band Selection" menu method (blue background issue).

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