LG Optimus 2X P990 - Service Problem - LG Optimus 2x

Hello,
Since a couple of weeks I've been having some issues with my beloved phone: the LG Optimus 2X Speed (P990) running the latest and greatest Cyanogenmod 7. And I was hoping that you could help me with that.
The Problem
My phone, and my previous phones have always had great service reception. I would never find my phone with two bars or less, unless it was brain-dead out of juice. I've always had the same provider (T-Mobile NL) and I've never experienced any problems with them.
However, in the last couple of weeks my phone can't find my network more often and often. I'd check my phone to see why I haven't gotten text-ed in the last minute or so, and it would be offline. Zero bars and status "No Service". At the beginning, I could put Airplane mode on, and then off again and it would reconnect. But since a couple of days that won't work either. I can put the telephone into airplane modus, but it gets stuck in it.
The button remains gray saying "Disabling Connections". If you go back, and into the Connection settings again the button can be pressed but indefinitely keeps the phone in airplane mode. The only way to enable connections again is to completely restart the phone. And as of lately I find myself having to reboot the device about 1-4 times a day.
Could you help me with this?

Mastermind- said:
Hello,
Since a couple of weeks I've been having some issues with my beloved phone: the LG Optimus 2X Speed (P990) running the latest and greatest Cyanogenmod 7. And I was hoping that you could help me with that.
The Problem
My phone, and my previous phones have always had great service reception. I would never find my phone with two bars or less, unless it was brain-dead out of juice. I've always had the same provider (T-Mobile NL) and I've never experienced any problems with them.
However, in the last couple of weeks my phone can't find my network more often and often. I'd check my phone to see why I haven't gotten text-ed in the last minute or so, and it would be offline. Zero bars and status "No Service". At the beginning, I could put Airplane mode on, and then off again and it would reconnect. But since a couple of days that won't work either. I can put the telephone into airplane modus, but it gets stuck in it.
The button remains gray saying "Disabling Connections". If you go back, and into the Connection settings again the button can be pressed but indefinitely keeps the phone in airplane mode. The only way to enable connections again is to completely restart the phone. And as of lately I find myself having to reboot the device about 1-4 times a day.
Could you help me with this?
Click to expand...
Click to collapse
Obviously CM7 went a little crazy! I don`t think it`s hardvare problem and the most safe and secure thing u can do is to go back to stock rom and root and reflash CM7 again!!! Android is weird system and many weird things happen to many people. If u have few hours to spare u should begin there and see what happens. If that doesn`t solve your problem than u can start thinking about hardware failure (maybe SIM card, maybe phone antena). But i`m allmost positive it`s software isue. :good:

Disable the automatic date and time (network-provided one). See if that helps.
That was preventing my P990 from getting network at all after a cold boot.

Hi,
I have exactly the same problem. Disabling network-provided time helped (i.e. the phone connects to the network and data connection is up), but I was wondering if this is a bug and if there's a thread or a resource discussing this issue? Btw, the phone has been having some minor connectivity issues in CM 7.1 as well, but otherwise CM7 is useable.
Phone: LG-P990 (Optimus 2X), "Made in Korea" under the battery, does that mean for sure it's the SU660 flavour?
Carrier: Fido (Rogers Wireless), Canada
ROM: CM 10.1-20130722-UNOFFICIAL-p990 (tonyp build version 5) (Wiped and flashed on 2013.08.27)
Kernel: 2.6.39.4-kowalski-exp
Basebands tried: (none get me data connectivity)
LGP990hNAT-00-V25h-FID-CA-FEB-22-2012+0 (Original)
725 V10d (shows as Unknown in About Phone)
450 V20m SU660 (EDGE only)

OK, Correction...
Only the Wi-Fi connection was up. The cellular connection indicator was blue, which has led me to believe that cellular data connection was up as well. When Wi-Fi is disabled, the cellular connection indicator goes white and there's no data connectivity.
Furthermore, even though basic cellular connectivity was available for approx. 8 hours during the night, as soon as I left home and started moving it started dropping out. For example, I was only connected ~30% of the time for the past hour (and the reception along my usual route is normally great).
Toggling network-provided time doesn't seem to have an effect now, but the old tricks (toggling cellular connection, going into Airplane Mode, rebooting phone) seem to restore cellular connection for a brief period.
I also noticed that often when I would launch a data-using application (Internet browser, gmail app) cellular connectivity would be lost in a minute or so (saying No Service).
I've tried looking into "logcat -b radio" for ideas, but I don't quite understand what's happening here (willing to learn though).
Help...

I have installed CM7.2 (official CM) and CM10.1 (tonyp 5, oldbl) with dual boot and can now switch between the two ROMs. I have good cellular and data connectivity in CM7.2, but no data connectivity even after a fresh install of CM10.1.
I assume the baseband has nothing to do with this since both ROMs are using the same.
So, armed with a dual boot device, the n00b is ready to do troubleshooting! It only needs guidance now... Help?

Related

Debugging phone connectivity

Hi guys,
I'm still working on figuring out the connectivity issues of my O2X. My problem has been that my data connectivity intermittently drops out, and fails to establish one and move out of WiFi range.
I have completely reset my phone to stock with the latest updates available in Norway. This is baseband 622, and version number 10c. The problem I am consistently having is that whenever I have stayed on one connection type (WiFi or 3G/edge) for any length of time and then switch, the phone fails to establish a connection through the other service. This means that whenever I have been home connected to my WiFi for awhile and move out, mobile data is not established. Similarly, when I get home, it does not automatically connect to my home WiFi network. In both cases the solution is to turn on and off WiFi mobile data (sometimes several times) to re-establish the connection.
If I quickly moved in and out a range of my WiFi, the switches between the two connections without any problems.
This is with everything stock. Is there any point in trying the other basebands? I have tried a few of them already, but without consistently good results.
The alternative solution is to send it in for repair, but they will only tested, figure out that they cannot locate the problem because they do not have the funds stay with the same connection long enough, flash the phone with the latest firmware, and send it back. After repeat this three times, I'm entitled to a refund or a new device, but it means that I will basically be without my phone for around six weeks.
Any and all solutions are greatly appreciated.
Edit: I guess a possible solution is just to use Tasker or something similar to reset mymobile data connection when I leave WiFi, and regularly reset WiFi when on mobile data.
I believe I have the same problem.
The 3G data connection would drop about every 10 minutes.
I got the phone a week ago and it too came with 10c firmware and 0622 baseband.
I believe that this is a hardware problem because I have flashed other firmware + baseband combos and yet this same problem still occurs.
I have sent the phone back for repairs yesterday. I hope that they can fix this problem.
Again, its probably baseband related....
Same for me here
Sent from my LG-P990 using XDA App

[Q] P970 WIFI lost connection and does not reconnect

Hi there everybody,
a few days ago my P970 started to go crazy a bit. It suddenly lost Wifi connection and won't reconnect. The Wifi symbol in the status bar looks like it is connecting, but nothing happens. Additionally, under the wifi settings, the on-off switch of the wifi is light grey (greyed out) and does not react anymore on my input.
As I could not find any further information on this topic, I decided to do a factory reset followed by a reflash of the V30B (Europe open; Android 4.0.4) and another factory reset as well as format of the SD-card. After that I did not encounter any problems until I finally wanted to customize my phone again with apps etc.
Last night again I lost the connection to Wifi and just decided to see what will happen. Until now (16 hours later) the Wifi icon is still kind of showing a connection attempt and is flashing non-stop and under settings the wifi-switch is still grey.
Anyone got an idea what could be wrong with my phone? Hardware or Software problem? If I leave Wifi switched off, there is no problem with the phone, but it sucks if one cannot use the wifi...
luggi3 said:
Hi there everybody,
a few days ago my P970 started to go crazy a bit. It suddenly lost Wifi connection and won't reconnect. The Wifi symbol in the status bar looks like it is connecting, but nothing happens. Additionally, under the wifi settings, the on-off switch of the wifi is light grey (greyed out) and does not react anymore on my input.
As I could not find any further information on this topic, I decided to do a factory reset followed by a reflash of the V30B (Europe open; Android 4.0.4) and another factory reset as well as format of the SD-card. After that I did not encounter any problems until I finally wanted to customize my phone again with apps etc.
Last night again I lost the connection to Wifi and just decided to see what will happen. Until now (16 hours later) the Wifi icon is still kind of showing a connection attempt and is flashing non-stop and under settings the wifi-switch is still grey.
Anyone got an idea what could be wrong with my phone? Hardware or Software problem? If I leave Wifi switched off, there is no problem with the phone, but it sucks if one cannot use the wifi...
Click to expand...
Click to collapse
Well maybe think about, what MODs (like PimpMyROM) and apps you installed. Maybe one of them causes the strange behaviour... If you say it works, till you start to customize it, it probably is a problem with any customization...
luggi3 said:
Hi there everybody,
a few days ago my P970 started to go crazy a bit. It suddenly lost Wifi connection and won't reconnect. The Wifi symbol in the status bar looks like it is connecting, but nothing happens. Additionally, under the wifi settings, the on-off switch of the wifi is light grey (greyed out) and does not react anymore on my input.
As I could not find any further information on this topic, I decided to do a factory reset followed by a reflash of the V30B (Europe open; Android 4.0.4) and another factory reset as well as format of the SD-card. After that I did not encounter any problems until I finally wanted to customize my phone again with apps etc.
Last night again I lost the connection to Wifi and just decided to see what will happen. Until now (16 hours later) the Wifi icon is still kind of showing a connection attempt and is flashing non-stop and under settings the wifi-switch is still grey.
Anyone got an idea what could be wrong with my phone? Hardware or Software problem? If I leave Wifi switched off, there is no problem with the phone, but it sucks if one cannot use the wifi...
Click to expand...
Click to collapse
Make sure something will trigger Wi-Fi AP. If yes, Wi-Fi will not turn on, and the button is greyed out.
Excuse my bad English.
luggi3 said:
Hi there everybody,
a few days ago my P970 started to go crazy a bit. It suddenly lost Wifi connection and won't reconnect. The Wifi symbol in the status bar looks like it is connecting, but nothing happens. Additionally, under the wifi settings, the on-off switch of the wifi is light grey (greyed out) and does not react anymore on my input.
As I could not find any further information on this topic, I decided to do a factory reset followed by a reflash of the V30B (Europe open; Android 4.0.4) and another factory reset as well as format of the SD-card. After that I did not encounter any problems until I finally wanted to customize my phone again with apps etc.
Last night again I lost the connection to Wifi and just decided to see what will happen. Until now (16 hours later) the Wifi icon is still kind of showing a connection attempt and is flashing non-stop and under settings the wifi-switch is still grey.
Anyone got an idea what could be wrong with my phone? Hardware or Software problem? If I leave Wifi switched off, there is no problem with the phone, but it sucks if one cannot use the wifi...
Click to expand...
Click to collapse
i got the same problem..
can anyone help us...
Wifi Mac Address goes unavailable...
Plzzzzzzzz

[Q] While in Europe: Moto X won't reconnect to cell data, post-WiFi use

Hey guys/gals -
I got my Moto-X a few weeks ago, and have been using it without issue on AT&T. Unfortunately, I'm just wrapping up my first trip through Europe with this phone (left my iPhone 5 at home), and I've noticed a very odd thing over the last week.
For some reason, my phone will not re-establish a cellular data connection once it has connected to WiFi (and subsequently disconnected from WiFi). I have noticed this - consistently - in both Germany and Italy. In all cases, once WiFi is no longer connected, I can see that the cellular data network is available (the 4G or E logo shows up, grayed out, next to the cell bars) but it will not reestablish. The only way to obtain a cellular data connection is to restart the phone.
I've tried going into airplane mode; I've tried cycling cellular data. Nothing I can think to try causes the cellular network icon ("4G" or "E") to cycle from gray to white...I simply cannot get back online without a full restart. But once I've restarted it works fine - so long as I don't jump on WiFi.
The phone isn't unlocked; it's an AT&T device, with no APN tweaks.
Anyone have any idea what could cause this behavior? Unfortunately, it's going to be another four or five weeks before I'm back here to test any ideas...but I figured I'd reach out while the issue is fresh.
Cheers.
Just to chime in, I've also seen this issue on mine, but it only happens with certain WiFi access points. After using the Cisco ones at work the problem occurs, but my Asus N66U doesn't seem to upset it.

Signal Issues

It is quite common now that almost all of our beloved ROMs are "infected" from the well-known issue of signal dropping. The "No Service" indication appears and you're unable to make calls, send messages or use data (you're screwed in other words ). The problem seems to be appearing mostly when the battery is low (about 20% or lower)
While this problem doesn't seem to be getting solved any time soon, I would like to suggest to those who want to have a functional phone (by that I mean make calls), but still want to have a smooth Kit Kat experience, to look for older builds of their favourite ROMs. Basically all ROMs on 4.4.3, do not suffer from that issue that much. You will hardly notice it!
Me, personally I am using Liquid Smooth v3.1 2014-06-14 build, and I have never missed a call, or was unable to make one. I can also confirm that older nightlies of CM do not lose signal as well(2014-06-17 for example)!
I don't know while this particular issue hasn't be solved yet, but I bet our great developers will find a way to eliminate it eventually!
amkirk94 said:
It is quite common now that almost all of our beloved ROMs are "infected" from the well-known issue of signal dropping. The "No Service" indication appears and you're unable to make calls, send messages or use data (you're screwed in other words ). The problem seems to be appearing mostly when the battery is low (about 20% or lower)
While this problem doesn't seem to be getting solved any time soon, I would like to suggest to those who want to have a functional phone (by that I mean make calls), but still want to have a smooth Kit Kat experience, to look for older builds of their favourite ROMs. Basically all ROMs on 4.4.3, do not suffer from that issue that much. You will hardly notice it!
Me, personally I am using Liquid Smooth v3.1 2014-06-14 build, and I have never missed a call, or was unable to make one. I can also confirm that older nightlies of CM do not lose signal as well(2014-06-17 for example)!
I don't know while this particular issue hasn't be solved yet, but I bet our great developers will find a way to eliminate it eventually!
Click to expand...
Click to collapse
I am very grateful for your post, because I also noticed this issue and it's driving me crazy for a few weeks. I tested almost all available ROM 4.4.4 and everywhere was the same! I did so: clean install + iodak kernel v10 + about 6%/10% battery (no gapps).
When you first start, after a reboot and enter the PIN code to establish a connection with the network was easy and fast in any case. Then I use the "QUICK SETTINGS" - switch, to change
"Network mode" (2G | 3G | 2G+3G). The network was disconnected in order to connect again in a different mode. Unfortunately again, and sometimes third or fourth (at intervals of tens of seconds) could no longer connect. The worst was the last CM11-NIGHTLY: when you disconnect the network, you can not get connected network again, at 4% battery!!!
Only connect the charger meant that after a few seconds the network connection (whether of 2G or 3G) was possible.
I thought it was fault of my device.
Downgrading to 4.4.3 is a good idea. What do you think about LS-KK-v3.1-2014-07-02-p880.zip?
Is there this Signal Issues? Now, I'll test it.
imagetm said:
I am very grateful for your post, because I also noticed this issue and it's driving me crazy for a few weeks. I tested almost all available ROM 4.4.4 and everywhere was the same! I did so: clean install + iodak kernel v10 + about 6%/10% battery (no gapps).
When you first start, after a reboot and enter the PIN code to establish a connection with the network was easy and fast in any case. Then I use the "QUICK SETTINGS" - switch, to change
"Network mode" (2G | 3G | 2G+3G). The network was disconnected in order to connect again in a different mode. Unfortunately again, and sometimes third or fourth (at intervals of tens of seconds) could no longer connect. The worst was the last CM11-NIGHTLY: when you disconnect the network, you can not get connected network again, at 4% battery!!!
Only connect the charger meant that after a few seconds the network connection (whether of 2G or 3G) was possible.
I thought it was fault of my device.
Downgrading to 4.4.3 is a good idea. What do you think about LS-KK-v3.1-2014-07-02-p880.zip?
Is there this Signal Issues? Now, I'll test it.
Click to expand...
Click to collapse
I've already tested it, and it had serious signal issues.
It's funny, but after much testing, it seems to me that the solution is in "the middle of the road":
(3) - LS-KK-v3.1-2014-07-02-p880.zip - (last, no T2FS) loses connection to the network for no reason at a level below 20% of the battery, but it is able to establish connection to the network, but after a while it loses again. Sorry... disqualification.
(1) - LS-KK-v3.1-2014-06-14-p880.zip - In my opinion the disqualification too. Switch (3G/2G) in the "QUICK SETTINGS" does not switch, but only shows what is set as the "Preferred network type" in the settings. After using the "switch" network is disconnected, but again reconnect never occurs at the level of the battery 8% and below.
(2) LS-KK-v3.1-2014-06-23-p880.zip - as in (1), but the switch (2G/3G) works good, and can freely switch the connection types, up to 8% of the battery . Below this value, you will not be able to connect to any network (unless you connect the charger).
Corrigendum: after a few minutes, joined the 2G network at 5% battery. :good:

Moto G (Dual Sim) Internet Connectivity Issues

Hi, I'm new here so forgive me if I do something wrong^^
First of all, I have a Moto G 2014, Dual Sim which is running on 5.1.1, to be more specific, this ROM. I was using this ROM for about 4 months already so that shouldn't be the issue. My problem is that after my phone connects to the internet, usually using H+. The connection to the internet is working perfectly fine, but after a while of not using the phone it loses the connection. It still tells me that it got a strong H+ connection, but nothing (browser, apps, anything) is able to connect to the internet. Enabling & disabling airplane mode usually fixes the problem. From time to time it also happens, usually when I lost some sort of wifi connection (regardless if I disabled wifi or I got out of range) it happens that it shows full connectivity but with an exclamation mark. This only goes away if I reboot or enable & disable airplane mode again.
Is this issue known/is there any solution to
I have been experiencing the exact same thing as of lately. I thought it was a byproduct of downgrading from (Stock) Marshmallow to (Stock) Lollipop (yes! it's happening even on stock ROM) where at times the WiFi losses connectivity when the phone had been sleeping for awhile...even though I have the "Keep WiFi on during sleep" option on under WiFi's advanced settings. I had no idea that it also happens with data connections ! ...as I don't use it (too expensive for me), now I'm uncertain what could be the cause. I can see how this would be an inconvenience if you use a lot of social media apps as I sometimes do not get my WhatsApp messages when this happens and sometimes I don't even receive my Hangouts messages until I open the app manually.
It's strange, at times when my phone sleeps for awhile and it losses connectivity and I wake it, it will reconnect just fine and other times it just goes into this state where it reconnects with full signal strength but with an exclamation mark next to the WiFi icon in the notification bar. When this happens, no matter what I try it stays in this state, I tried turning off WiFi and turning it back on, also forgetting the network and entering the info and reconnecting to it but none of that works. I didn't know that turning on and off airplane mode can help....I'll have to try that one, rebooting the phone was the only solution I found which is just inconvenient and somewhat annoying.
I too, am interested in a proper solution. I don't know why the phone ignores the "Keep WiFi on during sleep" option or why at times it connects but have not internet access! It should be noted that it's not a problem with the network, It's not due to an incorrect password or anything like that as I am the one that administers those things and when it happens other WiFi devices such as my Tablet PC, Laptop etc can connect and access the internet just fine and it only happens sometimes on the phone (Moto G 2014). This doesn't seem to happen in Marshmallow...but I hate Marshmallow and I can't remember having this issue on Lollipop post Marshmallow update (how I wish I had never tried out Marshmallow!!!), which is why I thought it was related to downgrading, .......did you downgrade ?

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