Help Please - General Questions and Answers

Hi
I have a Samsung phone, and whenever I enable mobile data it doesn't change from E to H, you what I mean at the status bar there are 2 arrows pointing up and down then beside it has E or H,(H perhaps in my place is faster). My father has another phone we're on the same place but his mobile data signal indicate it was H. When I search for answers what I found is *#*#4636#*#* then go to Phone Information and change Preferred network type to WCDMA only, however it just keep going back to GSM only it doesn't change. I try to change Network mode through the phone settings (settings>more>mobile networks>network mode) however the network mode is disable, you can't even click it I don't know what to do. please help me,

Related

3G not working

My phone is a Nexus One w/ CM7 installed with the latest radio and I live in the US. I read to go into the Phone Info settings and switch the 'Preferred Network Type' field to WCDMA Only to force the phone into 3g mode but when I do this I get the message 'fail because Radio not available' under GSM disconnects DATA. I tried flashing several different radios and this did not help.
I get a connection when using WCDMA Preferred but I am restricted to the E or the G symbol in my notification bar. I want the 3G symbol!
I am out of ideas here!
i got exactly the same problem ... !
might help...
have you tried toggling airplane mode off... then on... then toggle data off... then on?... it might work... then again, it may not... dosent hurt to try i guess...

[Q] Network Mode

Hello,
In the Setting/Network Mode, there is LTE/3G/2G selection and due to unavailable LTE on my area I would like to switch to 3G preferred.
Each time I chose 3G network, it will show "Change the network operating mode" in the Network Mode, if I choose either LTE or 2G it will stay as it is
I read from the forum, suggested using "*#*#*4636#*#*" >> phone info, choose WCDMA only, but it will reset back when phone is reboot.
Is there anyway to permanent this WCDMA mode even after reboot?
Thank you.

[Q] Cannot switch to 3G.

Hello everyone,
Previously I had the ROM "iXperia 8". There i could switch between 2G, 2G/3G & 3G easily just with a click. After I installed "PrimeHD", i do not have the 3G mode. I can switch between only 2G and 2G/3G modes.
Please help.
Dibakar Saha said:
Hello everyone,
Previously I had the ROM "iXperia 8". There i could switch between 2G, 2G/3G & 3G easily just with a click. After I installed "PrimeHD", i do not have the 3G mode. I can switch between only 2G and 2G/3G modes.
Please help.
Click to expand...
Click to collapse
Seems problem at "install PrimeHD".
Uninstall it or recover to previous status.
I believe you had backup before you install PrimeHD......
try dialing *#*#4636#*#* in the caller app (normal one) and it should bring up a testing menu.from there go into phone information and scroll to bottom. there should be a network mode drop-down list. pick something like "WCDMA only"
The Jinxer said:
try dialing *#*#4636#*#* in the caller app (normal one) and it should bring up a testing menu.from there go into phone information and scroll to bottom. there should be a network mode drop-down list. pick something like "WCDMA only"
Click to expand...
Click to collapse
Thanks it worked. But do you know what are the other options for?
I have another solution to the problem myself.
Go to Home-->Press menu button-->Add-->Widgets-->Power Control-->Check the button "2G/3G"(You may uncheck all other buttons,up to you)-->
Scroll down till you see "Choose Network Modes"-->Click the button right below it--> Click on "2G/3G Only/3G+2G"-->Move to top and click OK.
A new widget will now appear on the home. Here you can switch your network modes between 2G or 3G or 2G/3G.
Which options? The SMC check (i think) and others? That is beyond the scope of my knowledge

Help 3G, 4G/LTE Not Working on Cyanogenmod 13

I am using cynogenmod 13 latest build all things working perfectly but I'm unable to change connection type to 3G or LTE if selected 2G I have to go to flight mode and then I can change the connection type to LTE only still can't change it to 3G. When it's selected LTE as default even that time also the data connection work still as 2G sign showing as E even if I select LTE never get the H/H sign on my service provider Vodafone India please help me... and sorry for my bad english.
I had a similar problem with CM 12.1, but I solved it changing the APN. My phone has 2 APN available, I just selected the one it wasn't using and I got 4G and 3G again after some minutes.
Hope it helps.
animeshrock said:
I am using cynogenmod 13 latest build all things working perfectly but I'm unable to change connection type to 3G or LTE if selected 2G I have to go to flight mode and then I can change the connection type to LTE only still can't change it to 3G. When it's selected LTE as default even that time also the data connection work still as 2G sign showing as E even if I select LTE never get the H/H sign on my service provider Vodafone India please help me... and sorry for my bad english.
Click to expand...
Click to collapse
Try changing the APN as Secuential said. For Vodafone India, I think it says 'www'.
If that doesn't work, try manually changing it.
Enter *#*#4636#*#* in your dialer.
In the 'Testing' window that appears, go to Phone Information.
Scroll down to Set preferred network type: (The default is LTE/GSM auto (PRL))
Change it to WCDMA only.
It should show H sign after a while.
Good luck.
(Though, keeping WCDMA only can increase battery usage. Change it to 'WCDMA preferred' later)

Lg g4 h810 works 2G only

Hi,
I bought this phone Lg G4 h810, it shows AT&T logo whenever i boot it and the problem is despite of network mode on lte/wcdma/gsm/auto it always runs on2G internet speed and shows E sign.
I am from india and many service providers are still not offering4G internet service. But this phone doesn't even runs on wcdma. My previous phone lenovo was nicely running on wcdma and always showed the sign H.
My cellular operator is idea cellular and i had a word with them, they sent me settings and all and help me input the settings manually too, but nothing worked.
I checked even the frequencies, idea cellular is offering UMTS B1(2100) and UMTS B8(900 gsm). I checked this on LG website and these bands are compatible with the phone i bought, but still i can't get anything more than2G. Why so?
Plus there is one more problem, when i switched it on for the first time it showed update available And when i tried to update, it showed error and now always there's an icon on top left corner of phone saying couldn't install system update. I tried restarting and updating the device many times, but it's still the same.
Any help is much appreciated.
Thanks in advance.
Have you put your Company APN?
Yes i did, the company executive even helped me to manually save the settings to run the internet in a 3G mode. But all efforts in vain.
Did you solve the issue?
Anything new? I have the same problem.
I have this problem too
Try hidden menu with *#546368#*810# and under Field Test menu / Modem settings if there is VoLTE on/off chose VoLTE and restart. I have done that and my phone starts working with 4G. Don't forget to set up good APN if it's not automatically set by network provider.
scytalemk said:
Try hidden menu with *#546368#*810# and under Field Test menu / Modem settings if there is VoLTE on/off chose VoLTE and restart. I have done that and my phone starts working with 4G. Don't forget to set up good APN if it's not automatically set by network provider.
Click to expand...
Click to collapse
Hi
Under VoLTE there is another entry named "Session" and in there
RPR(on/off) switch
I enabled it and restarts but it is again on 2g
Anyone further on this issue??
I have this problem too
I was flash the stock firmware,custom firmware customizing the build.prop,changed the settings in the engineering menu *#546368#*810# disconnected volte,changed LTE bands forcibly. Nothing helps,dont work 3G LTE - 2G only(. I realized that I need to re-flash (change) the original QCN file for H810 and re-register IMEI , but I can not find QCN it freely available.
Hello there, i had the same issue. The fix that worked for me was searching for network manuallly and reconnecting again to my carriers LTE network. Worked as a charm. The issue maybe was a brutal handover as I had been travelli g from a city to another one 200 km away. So somehow I had been disconnected from the LTE network and left stranded in the 2g one. Try it it should work

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