How to set up LTE on most custom ROMs (all LG G2 variants)

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guitarmaniatico

Senior Member
Nov 1, 2009
176
27
Xiaomi Mi 9
Hi
In many forums I saw people complaining on their LTE connections or even lost the option to set LTE.

I tried this and works fine on many custom ROMs

Type one of this codes in the phone dialer

D800: 3845#*800#
D801: 3845#*801#
VS980: 3845#*980#
LS980: 3845#*980#
D802: 3845#*802#
D805: 3845#*805#
(Other models just type model number between * and #)

Now you will see a hidden menu, follow the route: LTE-Only , Modem Settings , RAT Selection

Press LTE only, and restart your phone.
Then enter the hidden menu again, go to the same route, press: GSM / WCDMA / LTE auto.
Thats all, you are done!
Don't forget to hit the thanks button on the left if this works for you.
 

adampdx

Senior Member
Jan 23, 2011
578
79
Portland, OR
This didn't work for me on my TMobile G2 running CM 11 nightly 6/22. It says "USSD code running" and then "Connection problem or invalid MMI code".


Hi
In many forums I saw people complaining on their LTE connections or even lost the option to set LTE.

I tried this and works fine on many custom ROMs

Type one of this codes in the phone dialer

D800: 3845#*800#
D801: 3845#*801#
VS980: 3845#*980#
LS980: 3845#*980#
D802: 3845#*802#
D805: 3845#*805#
(Other models just type model number between * and #)

Now you will see a hidden menu, follow the route: LTE-Only , Modem Settings , RAT Selection

Press LTE only, and restart your phone.
Then enter the hidden menu again, go to the same route, press: GSM / WCDMA / LTE auto.
Thats all, you are done!
Don't forget to hit the thanks button on the left if this works for you.
 
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guitarmaniatico

Senior Member
Nov 1, 2009
176
27
Xiaomi Mi 9
This didn't work for me on my TMobile G2 running CM 11 nightly 6/22. It says "USSD code running" and then "Connection problem or invalid MMI code".

Ok try this:
Type on the dialer:

*#*#4636#*#*

Then tap in "Phone Information" (first option)
Scroll down to: Set preferred network type
Select: LTE/GSM/WCDMA

That's it man!

By the way, some carriers around the world use a SIM Card, for using LTE you have to update to a LTE SIM card, if you haven't done this contact your carrier and change your SIM card, it should be free.
Other carriers need to have your phone's IMEI and authorize it to give you access to a LTE network, contact your carrier if this is your case.

I hope I'm helping you my friend!
 

deadgiveaway

Senior Member
Apr 17, 2014
329
52
Not of that worked on d803.... had to delete lteconf or apnsconf depending on rom then reset my apn to lte settings

Sent from my LG-D803 using XDA Free mobile app
 

guitarmaniatico

Senior Member
Nov 1, 2009
176
27
Xiaomi Mi 9
Deleting the file LTEconfig.apk works too on Optimus G3 ROM. I'm not sure of this in another ROM but anyone can copy the file in another location and back it up later.

The file is located in the folder: / System /app
Just delete the file and restart your phone. This should work too.
 
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deadgiveaway

Senior Member
Apr 17, 2014
329
52
Deleting the file LTEconfig.apk works too on Optimus G3 ROM. I'm not sure of this in another ROM but anyone can copy the file in another location and back it up later.

The file is located in the folder: / System /app
Just delete the file and restart your phone. This should work too.

That never did it for d803 .... Probably cause the wrong apn is set to default ...??

Sent from my LG-D803 using XDA Free mobile app
 

JoInT.il

Member
Oct 2, 2009
14
1
Ok try this:
Type on the dialer:

*#*#4636#*#*

Then tap in "Phone Information" (first option)
Scroll down to: Set preferred network type
Select: LTE/GSM/WCDMA

That's it man!

By the way, some carriers around the world use a SIM Card, for using LTE you have to update to a LTE SIM card, if you haven't done this contact your carrier and change your SIM card, it should be free.
Other carriers need to have your phone's IMEI and authorize it to give you access to a LTE network, contact your carrier if this is your case.

I hope I'm helping you my friend!

That's a good solution, but you have to do it each time after you restart your phone. Any option to change defolt to lte/gsm/wcdma in network type menu?

Sent from my LG-D802 using XDA Free mobile app
 

somboons

Senior Member
Apr 25, 2011
3,183
4,477
Bangkok
Deleting the file LTEconfig.apk works too on Optimus G3 ROM. I'm not sure of this in another ROM but anyone can copy the file in another location and back it up later.

The file is located in the folder: / System /app
Just delete the file and restart your phone. This should work too.

Not working for flex rom.For me MOD LTEconfig.apk working for all stock ROM and PORT ROM.
 

guitarmaniatico

Senior Member
Nov 1, 2009
176
27
Xiaomi Mi 9
That's a good solution, but you have to do it each time after you restart your phone. Any option to change defolt to lte/gsm/wcdma in network type menu?

Sent from my LG-D802 using XDA Free mobile app

Try deleting the file LTEconfig as previously mentioned. This also works in Cloudyfa's customs roms.
To delete the file you need root permission so use a more advanced file explorer than the included, ES File explorer is good enough.
Happy New year to all
 
Last edited:

JoInT.il

Member
Oct 2, 2009
14
1
Try deleting the file LTEconfig as previously mentioned. This also works in Cloudyfa's customs roms.
To delete the file you need root permission so use a more advanced file explorer than the included, ES File explorer is good enough.
Happy New year to all

Happy holidays!!!
Deleted lteconfig.apk as adviced, doesn't
help, after restart i have to enter menu to change network type to lte/gsm/wcdma...phone connets to 3g dy default..

Sent from my LG-D802 using XDA Free mobile app
 

Roye_V

Senior Member
Jul 19, 2011
196
11
try to edit the BuildProp and change the
ro.telephony.default_network=9
to
ro.telephony.default_network=11
if you have #ro.telephony.default_network=9
delete the # and change to ro.telephony.default_network=11
now reboot
 

JoInT.il

Member
Oct 2, 2009
14
1
try to edit the BuildProp and change the
ro.telephony.default_network=9
to
ro.telephony.default_network=11
if you have #ro.telephony.default_network=9
delete the # and change to ro.telephony.default_network=11
now reboot

Where i can find it?

Sent from my LG-D802 using XDA Free mobile app
 

JoInT.il

Member
Oct 2, 2009
14
1

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  • 6
    Hi
    In many forums I saw people complaining on their LTE connections or even lost the option to set LTE.

    I tried this and works fine on many custom ROMs

    Type one of this codes in the phone dialer

    D800: 3845#*800#
    D801: 3845#*801#
    VS980: 3845#*980#
    LS980: 3845#*980#
    D802: 3845#*802#
    D805: 3845#*805#
    (Other models just type model number between * and #)

    Now you will see a hidden menu, follow the route: LTE-Only , Modem Settings , RAT Selection

    Press LTE only, and restart your phone.
    Then enter the hidden menu again, go to the same route, press: GSM / WCDMA / LTE auto.
    Thats all, you are done!
    Don't forget to hit the thanks button on the left if this works for you.
    2
    This didn't work for me on my TMobile G2 running CM 11 nightly 6/22. It says "USSD code running" and then "Connection problem or invalid MMI code".

    Ok try this:
    Type on the dialer:

    *#*#4636#*#*

    Then tap in "Phone Information" (first option)
    Scroll down to: Set preferred network type
    Select: LTE/GSM/WCDMA

    That's it man!

    By the way, some carriers around the world use a SIM Card, for using LTE you have to update to a LTE SIM card, if you haven't done this contact your carrier and change your SIM card, it should be free.
    Other carriers need to have your phone's IMEI and authorize it to give you access to a LTE network, contact your carrier if this is your case.

    I hope I'm helping you my friend!
    2
    try to edit the BuildProp and change the
    ro.telephony.default_network=9
    to
    ro.telephony.default_network=11
    if you have #ro.telephony.default_network=9
    delete the # and change to ro.telephony.default_network=11
    now reboot
    1
    This didn't work for me on my TMobile G2 running CM 11 nightly 6/22. It says "USSD code running" and then "Connection problem or invalid MMI code".


    Hi
    In many forums I saw people complaining on their LTE connections or even lost the option to set LTE.

    I tried this and works fine on many custom ROMs

    Type one of this codes in the phone dialer

    D800: 3845#*800#
    D801: 3845#*801#
    VS980: 3845#*980#
    LS980: 3845#*980#
    D802: 3845#*802#
    D805: 3845#*805#
    (Other models just type model number between * and #)

    Now you will see a hidden menu, follow the route: LTE-Only , Modem Settings , RAT Selection

    Press LTE only, and restart your phone.
    Then enter the hidden menu again, go to the same route, press: GSM / WCDMA / LTE auto.
    Thats all, you are done!
    Don't forget to hit the thanks button on the left if this works for you.
    1
    Deleting the file LTEconfig.apk works too on Optimus G3 ROM. I'm not sure of this in another ROM but anyone can copy the file in another location and back it up later.

    The file is located in the folder: / System /app
    Just delete the file and restart your phone. This should work too.