Hi,
I am new to the forums. I currently have cm11. I went in to set my perfered network to lte but after i set it and come back out it resets back to 3g!! Is there something im missing?? Thanks
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Hey Guys,
Today i ran into a problem that i've seen a few times before, and now my self controle have ran out. Im seriously about to throw my stupid phone out, but before i would like to ask you a few question.
I've flashed my phone with Modaco R9 rom and newest radio, but my phone does not work with GSM / WCDMA Auto, but when i switch to only GSM it sometimes work. But today it stopped working at all.
When i try to switch to GSM only it just goes back to GSM / WCDMA auto, so i cant change the settings...
Have any of you seen this problem before, and do you know a solution?.. THX
I live in denmark and here is my phone spec's..
HT06JPL****
Mikkel D. Hansen said:
Hey Guys,
Today i ran into a problem that i've seen a few times before, and now my self controle have ran out. Im seriously about to throw my stupid phone out, but before i would like to ask you a few question.
I've flashed my phone with Modaco R9 rom and newest radio, but my phone does not work with GSM / WCDMA Auto, but when i switch to only GSM it sometimes work. But today it stopped working at all.
When i try to switch to GSM only it just goes back to GSM / WCDMA auto, so i cant change the settings...
Have any of you seen this problem before, and do you know a solution?.. THX
I live in denmark and here is my phone spec's..
HT06JPL****
Click to expand...
Click to collapse
I have had something simliar when I flashed to 5.10 Radio, I moved back to previous version 5.09 or 5.08 and they work fine.
try flashing a 5.09 radio and doing a full wipe.
I know that this issue can also occur if you restore from titaniam backup
Hi,
I flashed Task and Ktoonsez's Jellybean preview rom, and I know that LTE is not supported on it, but when I flashed back to TuchMi S3X v5.0 I am still not getting any LTE signal :S My data works, just not LTE. I'm "fairly" sure it happened when I went from the JB rom to the TuchMi, but it could also be coincidence.. :S
I tried completely wiping and reflashing TuchMi S3X v3.0, and still only get "4G" (HSPA+) max speeds. Also tried to flash this modem but it didn't seem to help at all.
Anyone have any ideas?
Edit: Oh yea, and here are my APN settings. I tried to delete it and redo it completely, but still no go
http://i.imgur.com/NvZR5.png
http://i.imgur.com/tCyDr.png
You will need to go to settings, more settings , mobile networks and network mode. You'll need to turn LTE back on. Happens everytime I flash aokp or cm10. I have to do it now actually since I just restored back
It seems it puta gsm/hspa auto mode as default rather than gsm/hspa/LTE auto. I don't think AT&T users have this issue as this option isn't available
Sent from my SGH-I747M using xda app-developers app
For some reason TuchMi S3X doesn't seem to have that option for me :S
But I figured it out..
I wiped and flashed AOKP-ICS, changed the network setting to GSM/LTE, and restored my nandroid of TuchMi S3X.
LTE works now =)
Hey guys I have been searching all over for a solution and nothing seems to work at all. Im on CarbonRom right now, I have flashed roms of all sorts on 4.2.2 and I just cant get 4G on my Galaxy S3 on AT&T. I have the right APN settings, Ive been flashing modems, did the lte fix in a thread in the development section, tried editing my build.prop, tried flashing a different CWM, different roms, dialing *#*#4363#*#* and changing it there, factory resetting my phone, wiping data, caches, everything, you name it. I feel like Ive tried everything but cant get 4G lte on my phone. Whenever I try to switch my network mode to LTE/GSM/WCDMA it automatically switches back to WCDMA preferred. Is there anything else I can try? It doesnt seem to be as serious as a problem for others as everyone appears to have found way to get 4G lte on theirs. Any more ideas I can try? Thanks for your help guys!
Every time I change my network mode to GSM/WCDMA/LTE (Auto) it goes back to GSM/WCDMA (Auto) after an hour or two. I can get LTE in my area and I do after changing the network mode setting manually, but after an hour or two my phone goes back to GSM/WCDMA and I loose LTE. I've tried going into the test menu and choosing my preferred network mode but it won't stay. My build.prop file has not been edited. I don't have the LTEconfigs.apk to delete.
Any ideas on what to do?
edit: I restored system partition from a backup. I'm fine now.
Have you at any point downgraded to KK from LP, then upgraded again back to LP? Because the same thing happened to me after downgrading, and then upgrading again.
redduc900 said:
Have you at any point downgraded to KK from LP, then upgraded again back to LP? Because the same thing happened to me after downgrading, and then upgrading again.
Click to expand...
Click to collapse
No, I never downgraded. I went from 10m to 10r to 20b to 20e, each time doing a complete system flash.
i have the exactly same problem except i am currently on 20g. I even reflashed the stock rom again and it still returns to GSM/WCDMA after reboot or idling for 1-2 hours. I changed the setting under the hidden menu as well and still didn't work.
any help is greatly appreciated.
This is a baffling problem. I have heard that both the cause and the cure is flashing back to KK and then back to LP. Among a multitude of other solutions with no real common thread. Having said that the one that makes the most sense is restoring your EFS backup, if you have one. For me I didn't have one.
Here is my experience, I wish I could say what was the real fix.
Started out at 10r and flashed CM12 as soon as I got the phone last Jan. About 6 months ago I had the common prob of the exclamation mark on my signal and no data. Used the LTE toggle to fix and lived like that for 6 months. Back in the fall I decided to go back to stock to see if it would fix. Flashed a stock zip of 20e. At 1st this was a disaster, I had no data and incidentally no APN. Oh by the way I have a TMO GS on at&t. Even after creating an APN no luck. I happened to have a live TMO SIM so I did a factory reset with the TMO SIM installed during 1st boot. This SIM is a prepaid w/o data, but it did attach to LTE. I then created an at&t APN swapped SIMs and LTE data worked. But now I had the problem of LTE not sticking. Usually dropped after a power cycle or going off WiFi, the later was not 100% reproducible, the former was. From a data standpoint I was better off as I no longer got the exclamation mark and no data. But OMG stock LG sux!
So along comes CM13. I see one guy that still had to do the LTE toggle, I figure not worth jumping in. But couldn't resit the pull of sticky Marshmallow and CM nighties. So I rooted and installed CM13. Amazingly I no longer have any data or LTE issues. Again, I wish I could give a clear path to fix. But maybe others can pull from my experience.
Good luck and if you get it working back up your EFS! Can be easily done via TWRP.
Hello, so here is my problem. I have been using Cyanogenmod 13 on my LG G3/ls990 for months now. Recently I needed a static IP address through Sprint. When they applied the static IP to my account, I was stuck on 3G, even though I mostly have LTE. Basically what I did was use an old stock rom backup to update my PRL/Profile. This brought back my LTE service. Then I reloaded my CM13 backup. Unfortunately, at first it didn't recognize my sim card, and then it only recognized 3G. Okay, so no problem, I decided I would just go back to the stock rom and clean install a new custom rom. Unfortunately, when I went back to the stock rom, it was also stuck on 3G and this time when I tried to update the PRL/Profile it didn't work, I am guessing because it already saw these as updated. So after a few chats with Sprint's tech support, I was able to get LTE to work again. She said a particular network configuration file wasn't working right, and she did something which was suppose to fix it. As instructed, I typed in code ##72786# after she did it, and LTE worked perfectly. Stupidly, I thought it would be as simple as reloading my CM13 backup. Yet it did it again when I loaded the backup, and now I am stuck on 3G again. Before this I didn't really connect the two together. Does anyone know what exactly is happening here? Tomorrow I plan to call Sprint again, to get them to fix the file, but is there a way I can do it myself, in case I have this problem again when I install a new custom rom? For example, if I go into ##Data# will I fix things by changing a setting in there or something? I hate having to talk to Sprint every time this messes up, and yeah, I know it was stupid of me to do the same thing twice, but it was a day apart and I forgot what I had done the first time. Hopefully whomever I talk to tomorrow can figure out what the woman I spoke with did, because she definitely knew what she was doing. Thank you for all of your help!
Update: Called Sprint they reset my network and I have LTE again. I am somewhat wary of installing a new rom but would like one for resolving performance issues and wifi tether. I downloaded an unofficial Lineage 15 Rom yesterday while I was on 3g only, but it couldn't find my sim. Is there a way to backup my current network settings?
Update 2: So I just tried a fresh install of Lineage 15 and it didn't work. First it recognized cell but no data. Then I went into data settings chose carrier settings that crashed, "android.com. [something]has stopped working" , the sim was unrecognizable after that and the carrier settings weren't there any longer. I backed up my EFS partition in the stock rom before installing, but then I was stuck on 3g even despite that. I called Sprint again, and got them to reset my network settings. Don't want to keep calling them though.
Anybody here with Sprint and a static IP that can recommend a ROM that will work and not mess up my network settings? I don't care if it is Marshmallow or Nougant, I just want something that doesn't overheat my phone and which I can have native tethering.
EDIT: I was able to install Fullmics and retain my LTE.