Develop Bugs

[D850] Lollipop Update not found - Unlocked Phone

Hi,
I bought a LG G3 from Ebay which was blocked on AT&T for using it both in the USA and in Europe (I choose this model for its frequencies supported). It is a D850 model as you can expect.
After receiving it, I unlocked it to run different carriers. I rooted it as well.
I want to install the AT&T 5.0.1 update from OTA (I don't care about root right know). But I have one big problem. I keeps saying that my software is up to date which is wrong. Is it because I'm on T-Mobile right know and AT&T blocks the update ?!
I'm using build D85010d. right know and I never had a software update notification. I've tried to set my phone date to a couple days forward as suggested by Android Police. No luck.
I just want to have the update. After that if it says "you are rooted, you can't install", I will unroot it and reinstall.
Is there any way to update manually ? I heard it's impossible thanks to AT&T.
This is beginning to irritate me.
Thank you in advance

picobuntu said:
Hi,
I bought a LG G3 from Ebay which was blocked on AT&T for using it both in the USA and in Europe (I choose this model for its frequencies supported). It is a D850 model as you can expect.
After receiving it, I unlocked it to run different carriers. I rooted it as well.
I want to install the AT&T 5.0.1 update from OTA (I don't care about root right know). But I have one big problem. I keeps saying that my software is up to date which is wrong. Is it because I'm on T-Mobile right know and AT&T blocks the update ?!
I'm using build D85010d. right know and I never had a software update notification. I've tried to set my phone date to a couple days forward as suggested by Android Police. No luck.
I just want to have the update. After that if it says "you are rooted, you can't install", I will unroot it and reinstall.
Is there any way to update manually ? I heard it's impossible thanks to AT&T.
This is beginning to irritate me.
Thank you in advance
Click to expand...
Click to collapse
have you found any solutions to this? i'm using an unlocked att G3 as well (although not blocked) and I can't figure out how to update. i even tried to put someone's ATT sim in it and it still said it was up to date, which is completely false. god i hate att. can't update, can't use Qi charging, can't do anything.

I can't update my lg g3(d855) too. It's have the 4.4.2 kitkat and i want upgrade it to 5.0.1 lollipop.
Plzz help if u find a solution to this problem

Same issue .......how to update to lollipop manually ....................... if someone can help it will be appreciated :good:

I am having an issue with the AT&T Lollipop update, as well. I bought a D850 from eBay on KitKat 4.4.2, and when I inserted my AT&T MVNO SIM and checked for updates, it found the Lollipop update. It started downloading, but about 2/3 of the way through, the display shut off (I had it set for 15 minutes). When I got the display back, this action had stopped the download, and it did not continue. Now, when I check for updates, it just says I have the current version. I have run system resets, and tried a different AT&T SIM, but I can't get the Lollipop download again. Does the start of a FOTA download set a flag somewhere that prevents re-downloading?

Only thing I could think of is asking for a .kdz file for your phone and carrier and then flashing that using the LG Flash Tool

unable to update D850
I have the same issue. I have a D850 AT&T version and my is not showing any update available. I am in 4.4.2. Any solution how to update? Please help. Thanks to all

I'm another victim of this. Have someone found a solution? I'm desperated. And sad, I feel scammed.

At&t LG g3 d850
Hi, I'm New in the XDA forum.
My name is Neeraj
And when I saw your post, I found me.
What ever you do please don't do custom rom update.i found that in a hard way.
Like you I too bought one from ebay, at&t logo but unlocked, and while trying to update says it's up to date.
Later I found out I need at&t SIM to update the phone. Because it's only network unlocked not the entire phone. It still got some sorts of at&t restrictions.
Any way I went and rooted, installed twrp, and cm13 6.0.1 then Walla my phone goes into reboot loop and when it finally opens up the network doesn't work.
By the I'm in Australia , temporary residence and I don't have at&t SIM.
So good luck and infact i'm hoping some one will guide me too

I fixed it, don't know exactly if it will work on others.
But what exactly I did was search Google download official stock rom for at&t LG G3 D 850 ( KitKat or lollipop), flash the rom and Walla got my IMEI number restored and it fixed my boot loop problem.
Then backed up by all data, IMEI, etc and then flashes back to custom CM marshmallow. Now all is well. ?
Hope it this will help some one aleast a newbie lie me

HELP! T-Mobile G3 - Can't Upgrade to Lollipop Via OTA or LGMobile Support Tool

Hi everyone! I need some help or guidance here. I think I may know why this is happening but not sure . I'll explain in detail below:
Anyway, so the long awaited Lollipop was apparently released on April 7th for the T-Mobile LG G3. I've been waiting for it for a while just as many other probably have been. Well, none of the updates ever showed up on my phone via OTA or the LGMobile Support Tool.
The only thing I can think of as to why this MIGHT be happening to me (unless nobody else has been able to update yet because T-Mobile delayed the update) is because my IMEI has been reflashed to a Galaxy Note 2. However, I'm not sure that a different IMEI on my phone would prevent it from being updated since the firmware is obviously still a D851 LG firmware...
My phone is NOT rooted. It's all stock by the way.
Anyway, I guess what I need to know is:
1) Has everyone else with the T-Mobile Lg G3 been able to successfully update to Lollipop yet?
2) Will the different IMEI on my phone affect whether or not my phone is detectable as a D851 G3?
Thanks everyone in advance!

Bump. Anybody?

I'm really not sure that IMEI have any effect on the update center , have you tried to do a factory reset ?
another thing I can think of is just root your device and install a stable fast stock rom that uses LP on it ( like cloudy ).

MrFishiz said:
I'm really not sure that IMEI have any effect on the update center , have you tried to do a factory reset ?
another thing I can think of is just root your device and install a stable fast stock rom that uses LP on it ( like cloudy ).
Click to expand...
Click to collapse
Yeah I'm not sure it does either. I talked to a friend of mine that works at T-Mobile and he said a mismatched IMEI shouldn't make a difference. However, worst case scenario I'll have to manually flash it to Lollipo once the official ROM has been uploaded somewhere on the internet. I haven't tried to do a factory reset. Not positive on this but I think the IMEI is stored in memory that won't change whether it's factory reset or not especially since the original one was wiped and replaced.
I'll try to stick to the stock ROMs on this phone to avoid any issues with the custom stuff. Although, I was never able to successfully tether via WiFi on this phone. It works via USB cable. Still annoying hehe.

SaMirakle said:
Yeah I'm not sure it does either. I talked to a friend of mine that works at T-Mobile and he said a mismatched IMEI shouldn't make a difference. However, worst case scenario I'll have to manually flash it to Lollipo once the official ROM has been uploaded somewhere on the internet. I haven't tried to do a factory reset. Not positive on this but I think the IMEI is stored in memory that won't change whether it's factory reset or not especially since the original one was wiped and replaced.
I'll try to stick to the stock ROMs on this phone to avoid any issues with the custom stuff. Although, I was never able to successfully tether via WiFi on this phone. It works via USB cable. Still annoying hehe.
Click to expand...
Click to collapse
There is already a firmware on the forum: http://forum.xda-developers.com/showthread.php?t=2785089
I don't know if you can do this guide though since you never rooted your phone, better if you ask there.

MrFishiz said:
There is already a firmware on the forum: http://forum.xda-developers.com/showthread.php?t=2785089
I don't know if you can do this guide though since you never rooted your phone, better if you ask there.
Click to expand...
Click to collapse
Thanks for the link. I don't think the OP has the D851 Lollipo version uploaded. I only saw it for D855. I guess I'll just wait until everyone else gets the official update and flash it manually. From what it sounds like people have been having issues minor issues with Lollipop anyway. Maybe that's why T-Mobile is delaying the OTA updates. Who knows

LG G3 d855 problems after flash

Hello. I have d855 android 5.0 . Wanted to install cm 13. and here are my steps:
1. Rooted my 5.0 , flashed TWRP, and flashed CM13 and gapps. There was a problems with dialer after flash, so i downgraded phone into 4.4.2 V10a (using .tot and .dll files) . .
2. Again tried to flash CM13, but process was aborted and phone bricked.
3. Flashed stock 4.4.2 again. Again no luck to write CM .
4. Flashed stock 5.0 v21a using lg flashtool. Again - if i want to flash CM - phone always bricked (error executing updater binary) . And now, even with stock 5.0 my phone data connection do not work (only wifi works)
Please help .... how to reflash my phone and get CM and back data connection??

Just tried flash 4.4.2 again. Flashed successfully, but still any data connection Tried update into 5.0 using phone software updater, but after few updaters it fails (invalid software package).

Today found, that data connection works perfectly if i set GSM/WCDMA . If LTE is selected, there are no data connection at all. Also, can't flash custom rom, phone always stuck at LG logo. Anybody can help so solve my problems?

imdarex said:
Hello. I have d855 android 5.0 . Wanted to install cm 13. and here are my steps:
1. Rooted my 5.0 , flashed TWRP, and flashed CM13 and gapps. There was a problems with dialer after flash, so i downgraded phone into 4.4.2 V10a (using .tot and .dll files) . .
Click to expand...
Click to collapse
I want to cite only the first point you described, because it's "abominable"!
Sorry for the harsh tones, but... the dialer issues obviously involved the Cyanogen rom, especially because you're using the first nightlies, often unstable.
Why you accused the official firmware (therefore no more existing since you replaced them) and decided to downgrade?
Then you've to known that important downgrades like Lollilop > KitKat may irreversibly corrupt system partitions like "efs", which make your device losing of IMEI code and mobile data!
Now the only thing you can do is updating your device by settings menu until you reach latest firmware (21A).
Since you've to manually confirm each updates (10A, 10E, 20A etc.), the process will take almost 1-2 hour.
When the update process in definitely completed, you can try to root device, install TWRP and flash latest CM13 nightly.
In case of other issues, try the quite stable CM 12.1, or the stock-based FulmicsRom.
If you continue to have troubles, do a CSE flash of 21A firmware and send your device to warranty.

Simone98RC said:
I want to cite only the first point you described, because it's "abominable"!
Sorry for the harsh tones, but... the dialer issues obviously involved the Cyanogen rom, especially because you're using the first nightlies, often unstable.
Why you accused the official firmware (therefore no more existing since you replaced them) and decided to downgrade?
Then you've to known that important downgrades like Lollilop > KitKat may irreversibly corrupt system partitions like "efs", which make your device losing of IMEI code and mobile data!
Now the only thing you can do is updating your device by settings menu until you reach latest firmware (21A).
Since you've to manually confirm each updates (10A, 10E, 20A etc.), the process will take almost 1-2 hour.
When the update process in definitely completed, you can try to root device, install TWRP and flash latest CM13 nightly.
In case of other issues, try the quite stable CM 12.1, or the stock-based FulmicsRom.
If you continue to have troubles, do a CSE flash of 21A firmware and send your device to warranty.
Click to expand...
Click to collapse
Last time I connected my phone to LG mobile support, and it automaticallly updated my phone into newest official 21A firmware. IMEI - OK, data connection - still do not work when LTE is selected. So what i need to do now ? Try to root, install TWRP and flash CM 12.1 or FulmicsRom ?

imdarex said:
Last time I connected my phone to LG mobile support, and it automaticallly updated my phone into newest official 21A firmware. IMEI - OK, data connection - still do not work when LTE is selected. So what i need to do now ? Try to root, install TWRP and flash CM 12.1 or FulmicsRom ?
Click to expand...
Click to collapse
So what's your problem when LTE is enabled?
Mobile data won't work or simply fallback to HDSPA?

Simone98RC said:
So what's your problem when LTE is enabled?
Mobile data won't work or simply fallback to HDSPA?
Click to expand...
Click to collapse
When LTE is enabled, then there are no data connection at all.

imdarex said:
When LTE is enabled, then there are no data connection at all.
Click to expand...
Click to collapse
Surely downgrading the entire firmware to the first release of KitKat broke the radio part of your device.
Probably if you downgraded to latest KitKat firmware (10h maybe, instead of 10a), LTE should works properly.
Have you encountered that connectivity issue even before flashing CM 13 (on official firmware)?

Simone98RC said:
Surely downgrading the entire firmware to the first release of KitKat broke the radio part of your device.
Probably if you downgraded to latest KitKat firmware (10h maybe, instead of 10a), LTE should works properly.
Have you encountered that connectivity issue even before flashing CM 13 (on official firmware)?
Click to expand...
Click to collapse
No, after flashing everything was fine. There is a way to reflash radio part without downgrading again ? Because when i spoted that data connection do not working, i downgraded firstly to 10a (no data connection), then i get 10h update - still no data connection. And after 10h update, my phone got another update, but showed that can't update because package is wrong of something. After that i flashed 21A what i have in my phone now.

imdarex said:
No, after flashing everything was fine. There is a way to reflash radio part without downgrading again ? Because when i spoted that data connection do not working, i downgraded firstly to 10a (no data connection), then i get 10h update - still no data connection. And after 10h update, my phone got another update, but showed that can't update because package is wrong of something. After that i flashed 21A what i have in my phone now.
Click to expand...
Click to collapse
Probably the mobile data issue was related to CM 13.
But when you downgraded to 10A, the radio part was really damaged.
As I said if you want to downgrade, always preger the "less old" firmware you need.
Like you, I downgraded in past to KitKat, but I never looked for 10A! I directly flashed 10H.
Sorry, but at this point I don't know what you have to do.
When you flashed 21A firmware, have you done a CSE flash instead of a normal one?
If not, do it.
If yes, you have to appeal to warranty without any problem, since your device has official firmware.

Simone98RC said:
Probably the mobile data issue was related to CM 13.
But when you downgraded to 10A, the radio part was really damaged.
As I said if you want to downgrade, always preger the "less old" firmware you need.
Like you, I downgraded in past to KitKat, but I never looked for 10A! I directly flashed 10H.
Sorry, but at this point I don't know what you have to do.
When you flashed 21A firmware, have you done a CSE flash instead of a normal one?
If not, do it.
If yes, you have to appeal to warranty without any problem, since your device has official firmware.
Click to expand...
Click to collapse
Yes, i did CSE flash. Ok, thank you. I think there are no more options than warranty.

Help - Updating s4 mini i9192

I have an s4 mini i9192 4.2.2 and I want to upgrade it to 4.4.2. My current csc country is in Saudi Arabia and I cant find any updated firmware for that. How to update and which firmware can i use?

atnasan said:
I have an s4 mini i9192 4.2.2 and I want to upgrade it to 4.4.2. My current csc country is in Saudi Arabia and I cant find any updated firmware for that. How to update and which firmware can i use?
Click to expand...
Click to collapse
The only way to update is to use a Custom ROM.

Same problem for my Devise S4 mini Dous GT-I9192, Officially you will not find any Samsung Stock Rom higher than 4.2.2 the only way to look for Custom Roms the only problem you will face both Sims are on always as all Custom Roms based on CM. other problems are minor specially when you use Stable Custom Rom

Alaioby79 said:
Same problem for my Devise S4 mini Dous GT-I9192, Officially you will not find any Samsung Stock Rom higher than 4.2.2 the only way to look for Custom Roms the only problem you will face both Sims are on always as all Custom Roms based on CM. other problems are minor specially when you use Stable Custom Rom
Click to expand...
Click to collapse
I'm pretty sure the sim problem is in Nougat roms. You can turn off sims in Marshmallow.

Help
I tried to update it using the odin way and it had an error. What to do now? The other methods aren't working either.

atnasan said:
I tried to update it using the odin way and it had an error. What to do now? The other methods aren't working either.
Click to expand...
Click to collapse
which instructions are you following?
what rom are you flashing?
What was the error msg?

atnasan said:
I tried to update it using the odin way and it had an error. What to do now? The other methods aren't working either.
Click to expand...
Click to collapse
Cna you be more specific. Please?

help
android(dot)gs how to manually update galaxy s4 mini duos to android 4.4.2 kitkat
This is the site I used.
I cant remember the error msg but it popped up when I pressed start.
I have no idea what I am doing. I never tinkered with my phone before so I don't know what you mean when you say flashing a rom. I just googled how to update and I found this site. I'm a complete novice at these things.
The other methods I used are Kies and the normal way in settings.

atnasan said:
android(dot)gs how to manually update galaxy s4 mini duos to android 4.4.2 kitkat
This is the site I used.
I cant remember the error msg but it popped up when I pressed start.
I have no idea what I am doing. I never tinkered with my phone before so I don't know what you mean when you say flashing a rom. I just googled how to update and I found this site. I'm a complete novice at these things.
The other methods I used are Kies and the normal way in settings.
Click to expand...
Click to collapse
First you need to take some time to learn all about "flashing" (writing new software [firmware really] onto hardware ie chip in your phone), as doing it wrong can "brick" your phone (turn phone into a brick, yes never work again!), eg flashing wrong model number eg I9190 firmware to your phone.
I couldn't find the tutorial you mention in first 5 pages of search, do you mean this one?
http://android.sc/update-android-4-4-2-i9192xxucng2-kitkat-on-samsung-galaxy-s4-mini-duos/
strictly speaking you should not flash firmware from another region as it can stop your phone working properly. But it is possible, though I don't know about your phone or these tutorials as I haven't read them and checked all files etc
This tutorial has more info, that may help you if you decide to continue (at your own risk!)
http://techbeasts.com/update-galaxy-s4-mini-duos-i9192-to-android-4-4-2-kitkat-official-firmware/
in particular it says back up your EFS which is particular important when flashing different region in case you mess up (save to external SD & copy to PC also)
by flashing you will wipe all your personal data stored on internal SD eg photos, msg, notes, calendars etc so you need to back them up to PC (or external SD)
Kies wont let you flash that ROM as it's from wrong region (I think). Odin will though.
Nobody can help unless you give us the exact error msg + other info like Odin ver, file names etc
If you are going to flash a new ROM you might want to flash a newer custom ROM, like Cyanogenmod 13, Linage 13 or 14 (Android versions 6 & 7 respectively), you'll get new features, much better battery life, security and privacy though you will lose Samsung apps like notes etc

Help
I tried it again using the firmware from TT. This was before I saw your reply and I got this message. It was stuck for a while and I plugged in my internet adapter and it said it failed. ( in the pictures)
If you type in this,"manually update i9192 kitkat" on google, it should be the first site to come up which is the one I used.
My phone was made in china, bought in the USA, being used in the Caribbean but has Saudi Arabia codes. I don't understand. The last update from them is 2014. I used the one from Russia and TT. Both of them failed.
Should I stick with updating it to 4.4.2, flash a newer ROM ? Would this 'newer ROM' be able to work on my phone?
Or drop the whole thing because I have no idea what I'm doing?
Is there a low chance of me bricking my phone if I flash a newer ROM?

atnasan said:
I tried it again using the firmware from TT. This was before I saw your reply and I got this message. It was stuck for a while and I plugged in my internet adapter and it said it failed. ( in the pictures)
If you type in this,"manually update i9192 kitkat" on google, it should be the first site to come up which is the one I used.
My phone was made in china, bought in the USA, being used in the Caribbean but has Saudi Arabia codes. I don't understand. The last update from them is 2014. I used the one from Russia and TT. Both of them failed.
Should I stick with updating it to 4.4.2, flash a newer ROM ? Would this 'newer ROM' be able to work on my phone?
Or drop the whole thing because I have no idea what I'm doing?
Is there a low chance of me bricking my phone if I flash a newer ROM?
Click to expand...
Click to collapse
Is your phone connecting properly? There is nothing showing in the id com port window at top left, when connected properly there will be, or does that disappear when error msg shows? I can't remember. Possible it means your drivers are not installed properly, or try newer ones here (though not always better)
https://forum.xda-developers.com/showthread.php?t=961956&page=61
(scan with anti virus first)
You might want to try a newer version of Odin
Though first thing is try another usb cable. Also usb cable must always be connected to usb connectors attached direct to the PC pcb (normally at the back (or side on laptop), not an extra one like at the front and definitely not thought an external usb hub.
Your phone is probably grey market, nothing wrong with that, mine is too (mine is German phone, bought from HK used in Australia). However if pre owned it could have had other roms flashed,
It's entirely up to you which version of Android you want to use, they will all work on your phone, though anything higher than 4.4.2 will be a custom ROM, most of us here run them ie Cyanogenmod (CM) or Linage (LOS) which has recently replaced CM. LOS still has a few little issues but it is already stable, though a couple of small bugs. The good thing is you will get regular updates for many, including the monthly security updates, and they have a many new features too. To flash these you will however need to unlock your bootloader and use TWRP for the recovery.
I suggest you make a nandroid back up as soon as you install TWRP, then you can always go back to your current setup.

Alaioby79 said:
Same problem for my Devise S4 mini Dous GT-I9192, Officially you will not find any Samsung Stock Rom higher than 4.2.2 the only way to look for Custom Roms the only problem you will face both Sims are on always as all Custom Roms based on CM. other problems are minor specially when you use Stable Custom Rom
Click to expand...
Click to collapse
Where we can find samsung official ROMs? There is some 4.4.2 roms available in
http://www.sammobile.com/firmwares/database/GT-I9192/

hnikaein said:
Where we can find samsung official ROMs? There is some 4.4.2 roms available in
http://www.sammobile.com/firmwares/database/GT-I9192/
Click to expand...
Click to collapse
not for S4 mini Dous GT-I9192, all Stock ROMs for our devise is only 4.2.2

Alaioby79 said:
not for S4 mini Dous GT-I9192, all Stock ROMs for our devise is only 4.2.2
Click to expand...
Click to collapse
in this page you can also see we can upgrade to 4.4.2:
http://www.gsmarena.com/samsung_i9190_galaxy_s4_mini-5375.php

hnikaein said:
in this page you can also see we can upgrade to 4.4.2:
http://www.gsmarena.com/samsung_i9190_galaxy_s4_mini-5375.php
Click to expand...
Click to collapse
Samsung said it will update to 4.4.2 but it did not, GSMARENA.COM sometimes not offering or updating to actual status and I had communicated with SAMSUNG but no reply from them however S4 mini is from S-Line which shall be more valuable to SAMSUNG but they did not care.

Alaioby79 said:
not for S4 mini Dous GT-I9192, all Stock ROMs for our devise is only 4.2.2
Click to expand...
Click to collapse
Maybe you mean in some regions. Because otherwise your statement is completely false. I had the 4.4.2 stock firmware on duos for instance.

xdmusicbx said:
Maybe you mean in some regions. Because otherwise your statement is completely false. I had the 4.4.2 stock firmware on duos for instance.
Click to expand...
Click to collapse
Yes for some region only not for all variants

Help me
Yes, it's connected properly. It is highlighted blue by ID:COM before the error occurs. I just installed the drivers you sent me.
I did the update with the latest Odin and I still got the error message.
Only my original cable connects to the computer so I cant try any others. Once it's connected and appears in 'my computer', doesn't that means its connected?
It wasn't pre-owned but how would I know if a ROM is already installed?
I think I want to upgrade to the 4.4.4 and IF I get it to work, I will then upgrade to the latest one. I'm assuming this is easier and since I have no idea what I'm doing or where to go, I should definitely go with the easiest first. Right ? You lost me at Cyanogenmod. This is guy stuff.
Can you direct me where I need to go please with some instructions ?
Thank you

you should quote msg or use @atnasan to be sure your reply is seen by other poster.
If I remember correctly (it's been a long time) when odin gets stuck at get pit it is normally a communication issue even though your phone appears to show up correctly in it. You must run Odin with full admin rights on your pc. Some used to say only the Odin for S4 Mini & ver 3.07 or 3.09 (I think it was) would work (see the S4 mini Odin thread) Some firewalls can cause issues so turn them off (maybe reboot with antivirus off). You need a usb port that connects direct to the motherboard & original usb cable (really just needs a good quality cable in good condition, I think, just not one of those thin $5 ones).
If that doesn't work try to borrow another USB cable or try another PC or laptop.
Luckily I've never had any issues, all Odin ver worked, I just right click on Odin to run as admin from my user account on Windows 7 64bit even with Zonealarm firewall running. But other people have had problems.
No need to update to 4.4.2 etc if you will try to install a custom ROM like Linage or Cyanogenmod or one of the more customised . (in fact on my I9195 updating to 4.4.2 loaded a new bootloader, which had a stronger ver of knox)
If Odin won't flash stock you can try flash TWRP with Odin then use that to try flash a custom ROM from your sd card using TWRP instead of using Odin. Use TWRP from the neozone75 thread, I am using the tryout ver 3.1 which is working perfectly, so I suggest that. (ver 3.0..3 gave me errors checking the md5, though most people don't both with that check, so would work). Linage OS is about to change official version from LOS13 to LOS14 (Android 6 & 7) so you might want to wait a week or so if you choose that ROM, as I don't think there will then be any updates to LOS13 after that as each phone on LinageOS downloads section only has 1 Android version supported.

Strange signal/network behavior

hi!!
I have a HTC M8 dual sim, with a custom 7.1.2 ROM; I have not upgrade or install any other radio file than the stock.
It happens that when I get far away from my city, i lost all my signal. and in general it doesn't come back until I reboot the device (a soft restart works). and then I get signal again, but only for several minutes; then it all repeats.
from time to time it gets signal and stays like that, so I suspect that my device is not been able to get signal for the other operators of my country (here the cells are shared between the operators.. and I suppose that it works that way worldwide).
this is pretty annoying because I love to travel, and virtually do it without phone capability.
could it be that I have upgraded my phone that far from stock that the radio firmware got obsolete? or it may be a hardware problem?
tthanks ^^

xxopiumxx said:
could it be that I have upgraded my phone that far from stock that the radio firmware got obsolete? or it may be a hardware problem?
Click to expand...
Click to collapse
I don't know what you mean that the radio "got obsolete". Receptions issues may be possible with a custom ROM (which ROM?). But it's impossible to say whether the ROM is the issue or not, unless you go back to the stock ROM, and see if the problem persists.

redpoint73 said:
I don't know what you mean that the radio "got obsolete". Receptions issues may be possible with a custom ROM (which ROM?). But it's impossible to say whether the ROM is the issue or not, unless you go back to the stock ROM, and see if the problem persists.
Click to expand...
Click to collapse
I meant that the part of the hardware firmware that manage the modem, may be too outdated respect of the rom . i am just taking a guest.
until yesterday i was runing Lineage OS 14.1; but it had a horrible issue that after a call it kept in "hanging" until I restarted. so, i went back to CM13.

xxopiumxx said:
I meant that the part of the hardware firmware that manage the modem, may be too outdated respect of the rom . i am just taking a guest.
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The firmware is stuck on Marshmallow, since HTC doesn't support this phone with updates anymore. All the ROMs will work with Marshmallow firmware, since there is no other firmware for it to work with for this device.

redpoint73 said:
The firmware is stuck on Marshmallow, since HTC doesn't support this phone with updates anymore. All the ROMs will work with Marshmallow firmware, since there is no other firmware for it to work with for this device.
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good. so i wanted to know if this that you tell me could cause something like the mentioned issue; or if i should be looking into hardware ones.

xxopiumxx said:
good. so i wanted to know if this that you tell me could cause something like the mentioned issue; or if i should be looking into hardware ones.
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Back to stock is probably your best bet, and see if the problem persists. Really not much else you can do, especially since I think Lineage or CM are the only custom ROMs for the dual sim?
If you do back to stock, and still have problem, it may be a hardware issue. Might be a network issue, as well.