I need help with lg g4 h815 (lte problems) - G4 Q&A, Help & Troubleshooting

So since i have the phone the lte bands are not working, i dont know why, but the thing is that when i do the field test>modem settings >lte band section, all the bands dont work, just say fail.
So i try to unlocking lte by dfs cdma tool, but no lte tab was displayed only the gsm and wcdma(and all the bands checked). What can i do to get lte working?
Sorry for my english

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Korean Optimus G Bands

Hi, I am in Korea right now. I want to get a cell phone that I can bring back to Canada when I leave in a few months.
Right now, I have the Vega Racer 2, and it'll only run on my provider back home on 2G (Rogers).
I can't seem to get the right information, so I was wondering if you guys knew what bands the Korean variants of the G has.
From research, it seems that only the S3 has quad-band 2G/3G bands. But I had a S3 back home, and that white Optimus G is mighty beautiful and exotic (they don't have the white model outside of Korea).
Thanks!
Optimus G is Quad Band 3G. The only difference is the LTE frequencies it supports, for example the one I have runs on 700/1700/2100 which is valid for Virgin Mobile Canada, Bell, Telus and Sasktel.
Sent from my LG-E973
Thanks!
F180k WCDMA 900/1800/900/2100 LTE 900/1800
Tim4 said:
F180k WCDMA 900/1800/900/2100 LTE 900/1800
Click to expand...
Click to collapse
But from http://pdadb.net/index.php?m=specs&id=4127&c=lg_f180k_optimus_g_lg_gee there only Cellular:Networks: GSM900, GSM1800, GSM1900, UMTS2100 (B1)
Well, my info is from the phone itself
Also i see no difference
Tim4 said:
F180k WCDMA 900/1800/900/2100 LTE 900/1800
Click to expand...
Click to collapse
Tim4, I have F180K, and It's not working in WCDMA 900. I tried with Korean ROM, CM 10.1, my friends made tests with EU ROM+ korean baseband - so, I suppose you didin't try it...
Ofcourse im not, im using LTE 1800.
The freqs i wrote here are from network settings of F180K, try to it set as 900mhz, not an auto.
To enter network settings you have to input secret menu code, which i dont remember anymore, google it.
Also note that E975 stock rom doesnt have the hidden network settings (Or the code is different), only stock F180K rom has one.
I was testing it, and as i remember, (in stock Korean ROM) band 900 refers to GSM, same in CM 10.1
Does anyone know the secret code for the service menu as i am also trying to get my korean phone phone to work on 2100 or 2600 lte.
Thanks
Tim4 said:
Ofcourse im not, im using LTE 1800.
The freqs i wrote here are from network settings of F180K, try to it set as 900mhz, not an auto.
To enter network settings you have to input secret menu code, which i dont remember anymore, google it.
Also note that E975 stock rom doesnt have the hidden network settings (Or the code is different), only stock F180K rom has one.
Click to expand...
Click to collapse
Dont remember the code, also i dont think its does supports 2600 LTE
5457#*180#

[Q] Enable GSM Bands on SM-T217S?

Does anyone know of a way to enable the GSM/LTE bands but leave all of the CDMA/LTE bands still enabled? Or at least to enable the GSM/LTE bands while disabling the CDMA bands? If a solution is not known, would it be safe to flash in the SM-T217A or SM-T217T firmware(s) and then unlock the bands? Thanks for any help given.
Same problem
frog7227 said:
Does anyone know of a way to enable the GSM/LTE bands but leave all of the CDMA/LTE bands still enabled? Or at least to enable the GSM/LTE bands while disabling the CDMA bands? If a solution is not known, would it be safe to flash in the SM-T217A or SM-T217T firmware(s) and then unlock the bands? Thanks for any help given.
Click to expand...
Click to collapse
according've researched this tablet is only sprint cdma only, no way to switch to gsm, I have tried everything and nothing, keeps saying invalid sim what led me to the conclusion,if you want a gsm have to buy one with companies that use GSM technology.

[Q] LG G4 (F500-L) on T-mobile?

I currently have a Korean variant (F500-L). I have seen a couple of these for sale on swappa and both posts say that this phone will work with T-mobile LTE. However, when I've popped in my SIM, I only get 3G. Does anyone else have any experience with this variant on T-mobile? If you were able to get it to work on LTE, how did you do it?
Enter APN settings for T-Mobile. Google that. Just popping in the sim won't give lte.
i have the same issue.. the APN settings seem to be correct.. but it only shows 3G. Model is F500-L
same here i need help too mine is a f500s lg g4 skt version thanks
Far as I know, phone must support LTE Band 2 and 4 to work on T-Mobile 4G network.
But F500(Korean ver. of G4) doesn't support LTE Band 2 and 4. It supports LTE band 1,3,5 and 7. Therefore a phone will only work under 3G network.

G4 H815T LTE band.

i have the mentioned model number of LG G4. but apparently LTE isn't working with my carrier which supports Band 3 1800.
My phone does support band 3 but with all the right settings still its working on 2G .. please help..
i live in pakistan an using warid network.
You probably don't have the correct apn settings

My phone will only work with GSM.

My internet works only with GSM.
When I change to LTE / 4G it will not work.
I flash back to stock.
It has worked LTE 4G earlier.
I have the correct APN set.
Could it be a setting in my phone or hardware?
hammen said:
My internet works only with GSM.
When I change to LTE / 4G it will not work.
I flash back to stock.
It has worked LTE 4G earlier.
I have the correct APN set.
Could it be a setting in my phone or hardware?
Click to expand...
Click to collapse
You have to make sure ure models lte bands support ure carrier lte bands.
Like i know my note 5 verizon motherboard does not support atts lte band ony 3g.
Its support lte i have lg h815 eur.
Before i have bootloop every time on my phone and install new firmwere ihave working lte.
Now i have no bootlopp and all working in my phone but not lte.

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