No signal after last security update - LG V30 Questions & Answers

Hi, today i updated my lg v30+ to the last security update but since then it can't find phone signal, so no mobile data or calls.
I already tried switching sims but the problem is still here.
Anybody does have some tips? I'm desperate, I don't know what to do.

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[Q] Have you any issue with your data connection?

Hi everyone,
i was wondering if i'm the only one to get issue with my data.
In fact i have the 3G icon, but no network connection, i have to disable and enable data to have the H icon and data working.
i had it with stock SFR rom, stock motorola rom and custom rom.
have you deactivated Wifi networks.....???
Normally it should not happen. But I am not sure whether it is the phone issue or the network issue.
Last summer when I was in France, I was using SFR, and somehow I have seen that the IDLE-TIME-OUT value of the network is kept quite high, as a result of which the phone's data connection goes to sleep without getting disconnected, and it is problem re-registering again.
Install the new update if the problem keeps on coming....or if it is a unlocked version, try with another SIM card.
yes, but I also was having sim card authentication errors AGAIN for a couple hours. I thought that was resolved a few weeks ago. But Tech support told me last night that there was an outage yesterday morning again. My OTA update finally appeared tonight after adding some files to my preinstall folder. Hopefully that update will cure the problem until ICS gets pushed out.
dey.santanu2011 said:
have you deactivated Wifi networks.....???
Normally it should not happen. But I am not sure whether it is the phone issue or the network issue.
Last summer when I was in France, I was using SFR, and somehow I have seen that the IDLE-TIME-OUT value of the network is kept quite high, as a result of which the phone's data connection goes to sleep without getting disconnected, and it is problem re-registering again.
Install the new update if the problem keeps on coming....or if it is a unlocked version, try with another SIM card.
Click to expand...
Click to collapse
Yes i always turn off wifi when i'm out.
The thing is that i had my desire HD for 1 year and i never had this kind of issue with SFR, it just happened since i have my razr(1 week).
Actually i'm on the retail with OTA and still have issue.
@Droid_Razr it could be a sim card issue, because i changed my sim card with my razr(micro sim) i'll try to search this way

lumia 920 portico drops signal

Hi Just wondering if anyone else has been having this issue.
Phone was working absolutly fine untill the portico update popped up (uk ee). update completed fine and phone restarted.
But since then i have been losing my signal totally, mostly when the phone goes into standby.
The only way to get it back was to restart the phone. I then phoned nokia support who asked me to do a hard reset. My phone then got stuck on the spinning cogs. after a few attempts of trying to soft reset i managed to get the phone to work but still same issue.
so then i phoned ee shop who said they would try flashing latest firmware and if that fails then they will send it away to service centre or replace.
so i decided i'd try flash it myself first using navifirm. Which i did using latest firmware. but still no luck.
so then finally before i take it to store i thought i'd try downgrade firmware and guess what...so far (fingers crossed) still got signal.
dont know if its just my phone but its ceratinly not happy with either the portico update or one of the other updates nokia bundled with it.
just thought i'd share my findings incase anyone else was having this issue.
edit: have just tried flashing a cv gb 1004 portico firmware as i didnt want to miss out on the new features and touchwood all seems to be well so far and no signal drops.
Hey
Yeah same here, upgraded last night all went fine, but today the signal has been up and down like a yoyo, also the battery is almost out !!! normally I would still have 50% left at this time of day, I just checked and I have 22% not great at all.
maybe the upgrade altered some settings ?
I will keep an eye on this for a day or so I think......
Having the exact same problems updated last night. How do I go about flashing back
Same here with my unlocked 920 since the Portico update, so it's not just the EE network. Mind you being as I always get a choppy signal at points maybe I shouldn't be so quick to judge.
FIX
Hi guys I have a fix for this issue, drop the highest connection speed down in your settings from 4G to 3G
Problem solved
Maggot82 said:
Hi guys I have a fix for this issue, drop the highest connection speed down in your settings from 4G to 3G
Problem solved
Click to expand...
Click to collapse
thanks maggot82
im using the gb.cv.1004 rom now and i believe though this has the portico update it does not have the same issues. i can not see an option for 4g in the network settings so this maybe why.
though ill wait untill others confirm this fix before i flash back to ee.1017 rom.
richard1978 said:
Having the exact same problems updated last night. How do I go about flashing back
Click to expand...
Click to collapse
richard i used this guide:
http://forums.wpcentral.com/nokia-l...after-reset-flash-process-defined-inside.html
Signal issues (ee) since portico update Lumia 920
Thanks to Maggot82. Received portico update, signal then dropping in and out all over the place. Went into settings/network, changed the defaulted option from 4G as the highest connection speed to 3G and now 5 bars of signal and constant.
Worked for me and certainly a less hassle route to try first before thinking to flash different updates to your phone.
Good job, ta.
Maggot82 said:
Hi guys I have a fix for this issue, drop the highest connection speed down in your settings from 4G to 3G
Problem solved
Click to expand...
Click to collapse
I had already done this but this issue seems to have resolved itself anyway.
no trouble guys, your welcome.
My 920 came preinstalled with Portico and I had no problems the first week or so. Since last week I have had two occasions where the phone has either restarted or just reinitialized the radio because it asked for the SIM-pin when I took it out of my pocket. And the days after that I noticed a few occasions where the signal was lost altogether for a minute or so.
My phone was set to 3G max speed from the start.
So, are there some radio-related issues with the Portico ROM? And is it Nokia's firmware or Microsoft's WP8 code?
Noppes123 said:
My 920 came preinstalled with Portico and I had no problems the first week or so. Since last week I have had two occasions where the phone has either restarted or just reinitialized the radio because it asked for the SIM-pin when I took it out of my pocket. And the days after that I noticed a few occasions where the signal was lost altogether for a minute or so.
My phone was set to 3G max speed from the start.
So, are there some radio-related issues with the Portico ROM? And is it Nokia's firmware or Microsoft's WP8 code?
Click to expand...
Click to collapse
i think there are some issues with the certain portico firmware. i have reflashed to ee uk 1017 and changed the setting from max 4g to max 3g and that resolved the signal dropping issue (thanks maggot).
however i have noticed that the signal is not as good as the gb.cv.1004 rom. so i dont think its a portico issue, more so that it may be the carrier related firmware updates that are causing issues.
not sure if the update was a full update
My OS version number and Firmware number has not changed since portico! the OS version number that I have is 8.0.9903.10 and the Firmware Revision # is 1232.2110.1244.3011. I know for fact that the Portico's FW version is meant to be 1232.5951.1249.0001 or higher, depending on region/network etc.
My phone has your symptoms, i.e calls drop out and very poor reception at times, plus, heating up massively and subsequently maximum 5-6 hours of battery life!
I have given numerious feedbacks to Nokia, but I guess I have to just go down the route of taking it to them to fix/change! mine was originally from Phones4U in UK (Sim free, which I found out that was locked to EE!), £35 to unlock and now on TescoMobile.
Could you please state your OS and Firmware versions, so we know that we are talking about the same release?
amowolves said:
Hi Just wondering if anyone else has been having this issue.
Phone was working absolutly fine untill the portico update popped up (uk ee). update completed fine and phone restarted.
But since then i have been losing my signal totally, mostly when the phone goes into standby.
The only way to get it back was to restart the phone. I then phoned nokia support who asked me to do a hard reset. My phone then got stuck on the spinning cogs. after a few attempts of trying to soft reset i managed to get the phone to work but still same issue.
so then i phoned ee shop who said they would try flashing latest firmware and if that fails then they will send it away to service centre or replace.
so i decided i'd try flash it myself first using navifirm. Which i did using latest firmware. but still no luck.
so then finally before i take it to store i thought i'd try downgrade firmware and guess what...so far (fingers crossed) still got signal.
dont know if its just my phone but its ceratinly not happy with either the portico update or one of the other updates nokia bundled with it.
just thought i'd share my findings incase anyone else was having this issue.
edit: have just tried flashing a cv gb 1004 portico firmware as i didnt want to miss out on the new features and touchwood all seems to be well so far and no signal drops.
Click to expand...
Click to collapse
I also noticed the problem and thinking of restore to see if problem still exist
New firmware available 1232.5957.1308.1 on Nokia Care Suite,Navifirm,etc.
uiqjirka said:
New firmware available 1232.5957.1308.1 on Nokia Care Suite,Navifirm,etc.
Click to expand...
Click to collapse
Any change log for it, or something like that?
that's only for Denmark and Sweden (Beta)
i have installed the portico update...and now i have only gprs connection for internet...can someone help me pls?
have try 4g and 3g connection..always the same...not help me
Same Issue
hasbai said:
i have installed the portico update...and now i have only gprs connection for internet...can someone help me pls?
have try 4g and 3g connection..always the same...not help me
Click to expand...
Click to collapse
Hi, did you solve this matter? I just installed Portico and the same problem, only 2G is working...
Thanks,
JJ
And this friends is what happens when you can't leave well enough alone and have to go to something other than stock. If it is not broken the why fix it?

LG G5 (RS988) loses network connection when placing phone calls, intermittent data

I was a gifted an LG G5 RS988 and successfully unlocked the bootloader using the LG's dev site and installed TWRP 3.2.3. After that, I flashed Revolution Remix 5.8.5 (RR-N-v5.8.5-20171203-rs988-Final.zip from here) and open_gapps-arm64-7.1-micro-20181229, seemingly without issue.
Everything worked flawlessly except the cellular network. It'd show connected to LTE (data even works sometimes when connected), but when trying to place a call, will drop to no service. Incoming calls go to voicemail, showing service or not. Rebooting or selecting "choose automatically" under network operators will usually reconnect to network, but offers no improvement otherwise. Toggling airplane mode sometimes also reconnects, but same symptoms afterwards.
The SIM card works fine in a Zenfone 2, Galaxy S3, and another G5. The problem G5 still behaves the same using another active SIM.
Searching for similar issues, most seem to be due to the phone losing the IMEI while flashing, but *#06# reports the correct IMEI, so I'm not sure that they're relevant.
I tried reflashing stock from the "COMPLETE" 21b ZIP here, but sympyoms persist.
Tried to use LGUP to refurbish the phone with RS98810h_01_0303.kdz from lg-firmwares.com, but once it started flashing the firmware, it reported that the KDZ file doesn't support refurbish mode. Flashing as an upgrade worked, but had the same problems.
Flashing an unofficial build of RR 6.2.1 for the RS988 seemed to be working better. More consistent data, and could actually get calls through sometimes and receive texts, but would still lose service when calling and miss incoming calls.
I'm not sure what to do with it anymore and could really use some help. Thanks in advance!
This is a long shot, but did you ever figure out what was going on with your LG G5? I've got one (also an RS988) running LineageOS 18.1 that's been exhibiting very similar problems for several months. At first I thought it was a failing SIM card, but turned out not to be the case. I've even switched providers in the meantime, but it's still having the same problems. Any ideas?
Hey, I know it's been a bit, but I figured in case you hadn't figured it out I'd let you both know that this is probably because of the 3G network shutdown. You'll have to contact your phone service and see if your phone can use VolTE, and if so, whether or not you need a new sim card to do so.
I got unlucky - my LG G5 H831 is pretty much toast. :/ Under GSMA it could use texting and data only, but when they switched me to GSMT to try and fix the no-calling issue, the texting stopped working too, and now I can only use data. And they can't switch me back to GSMA, because it lists my phone as incompatible, which it technically is.
It's not a huge loss, as I mainly used VoIP services anyway, but it's still unfortunate.
(But the phone still works fine otherwise, and I'm going to continue to use it until it doesn't.)

LG G5 wont allow me to make phone calls on LTE

Hi all,
pleasure to be here, I bought a used LG G5 because I needed a phone to connect via Tello (Sprint), long story short I was able to connect the phone with Tello but my issue is that if the phone is on LTE I cant make any calls/texts, I get an error message saying: Mobile network is unavailable but internet on LTE works fine. if I switch from LTE to CDMA (3G) I'm able to make phone calls/Texts but I'm not able to user the internet. Tello it's been working with me on this issue since December, I've been researching on this issue all over the internet with no luck. today tello called me and told me that the issue is on the phone and that I should take it to a repair shop, I'm not sure what the repair shop will do to fix this so that's why I'm here looking for your PRO help. any help is appreciated.
Model: LG G5 LGLS992
Android version: 7.0
Android Security Patch Level: February 1, 2018
Kernel version: 3.18.31
I have replaced the sim card
I have reset network settings
I have factory reset
I have reset the phone via root
I have update PRL
I have update Profile
I have update firmware
UICC unlock : Failed to update
Mobile data is on
Roaming is off
4G settings: Network operator: n.mi.ispsn
Network: LTE/CDMA
no VoLTE option on LG G5.
no Advanced Calling option on LG G5
Thank you so much

Radio Is Off - No Network on both sims after V30C-IND Update - LG G8X THINQ G850EMW

I have been using Lg G8x Thinq for over 1 year now. After the last update v30c-IND (Jan 2022), It started to give me trouble with networks. Networks used to disappear suddenly showing "Radio Off" when calling. Networks used to come and go, but today when the battery reached 15%, It completely went off and there's absolutely no network after that. But Wi-Fi is working. Under mobile networks, it's showing Preferred Network Mode: 22.
I have searched on the internet, some said it's because of a faulty update for G8X. They were trying to remove 3G option altogether and messed up. But there are previous instances of issues similar to this for older LG Phones.
Links are here:
lg stylo 5 mode 22, no network, no radio, wifi only
I'm having trouble with my LG stylo 5 well, two of them, one, on start up, froze on LG logo, so i did the power +vol. down, it turned off, and won't come back on.. won't charge battery, nothing, I took battery out, charged it, tested plug, it's...
forum.xda-developers.com
[FIX] LM-G850UM2X - Canadian G8X broken LTE from 10c Update
Hey guys, I like some of you had suffered from a broken LTE radio from the last security update which was November security patch. This has been driving me crazy the past couple of weeks. LG has acknowledged this as being a known issue and is...
forum.xda-developers.com
I tried all the available solutions and they did not work.
Does anyone have any clue how to fix this?
Thanks in advance.
Hello, if you updated it by QFIL, then pass your backup, modem_a and modem_b, with that it should solve, otherwise as you mention, a faulty update happens to few people. Do the whole procedure again, delete partitions, reinstall LG UP so that you don't get an error.
CoffeeHelps said:
I have been using Lg G8x Thinq for over 1 year now. After the last update v30c-IND (Jan 2022), It started to give me trouble with networks. Networks used to disappear suddenly showing "Radio Off" when calling. Networks used to come and go, but today when the battery reached 15%, It completely went off and there's absolutely no network after that. But Wi-Fi is working. Under mobile networks, it's showing Preferred Network Mode: 22.
I have searched on the internet, some said it's because of a faulty update for G8X. They were trying to remove 3G option altogether and messed up. But there are previous instances of issues similar to this for older LG Phones.
Links are here:
lg stylo 5 mode 22, no network, no radio, wifi only
I'm having trouble with my LG stylo 5 well, two of them, one, on start up, froze on LG logo, so i did the power +vol. down, it turned off, and won't come back on.. won't charge battery, nothing, I took battery out, charged it, tested plug, it's...
forum.xda-developers.com
[FIX] LM-G850UM2X - Canadian G8X broken LTE from 10c Update
Hey guys, I like some of you had suffered from a broken LTE radio from the last security update which was November security patch. This has been driving me crazy the past couple of weeks. LG has acknowledged this as being a known issue and is...
forum.xda-developers.com
I tried all the available solutions and they did not work.
Does anyone have any clue how to fix this?
Thanks in advance.
Click to expand...
Click to collapse
Bro u found any solutions?? I did a downgrade through LG UP , and now my radio is off, no network
Please Help
Same problem. Help please!!!!

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