Modem issue when upgrading CM11. - G2 Q&A, Help & Troubleshooting

When dirty flashing a CM update rotation and sensors no longer work even after once again flashing the modded modem. Everything else works fine just this particular issue. Will I have to wipe everything and flash the ROM and modem over a clean system every time I want to upgrade? Any explanation would be helpful. What is the best way to upgrade to new nightlies without breaking rotation..
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I am having this same problem. Updated last night from CM Updater in settings and now the rotation doesn't work. D800

I don't know whether its this particular nightly. I'm going to try a different one later and see if the same issues arises. I'm currently on 10/17 and was attempting to go to 10/27.
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Having the same issue on the Verizon variant. Downgrading to the October 25th nightly and all works fine
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Related

Android is upgrading and then bootloop...

I recently upgraded my ROM to the latest version. Wiped the cache and davlik, flashed the new rom and then flashed GAPPS. The rom boots and shows Android is Upgrading but after a few seconds, it reboots again and goes through Android is Upgrading again and restarts prematurely.
Also tried only flashing the rom without gapps but I am getting the same issue.
Did you wipe data or was it a dirty flash.
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It was a dirty flash. Then since it failed, cleared data and system and flashed but still no dice. Flashed the latest Cm nightly and it worked. Been using it since. Might be a problem with the rom. One other person had a similar problem though there are some people who used the same zip but didn't face any troubles. Looks like Cm for now
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sacredsoul said:
It was a dirty flash. Then since it failed, cleared data and system and flashed but still no dice. Flashed the latest Cm nightly and it worked. Been using it since. Might be a problem with the rom. One other person had a similar problem though there are some people who used the same zip but didn't face any troubles. Looks like Cm for now
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Click to expand...
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Yea I know it sounds weird but not all phones are created equally. I had 2 galaxy s3's, one Rom would work on one and not the other. It's definitely strange.
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Apparently, it's a recovery issue. I'm on CWM. People who have flashed it successfully are on TWRP. Will give it a shot over the weekend.
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The problem was indeed CWM. Flashed fine with TWRP.
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Running Dandroid 4.4, official update to 4.4.2?

I'm running Dandroid 4.4 on my ATT and after initial setup I was prompted that there was a system update to 4.4.2, so I thought OK this is cool if I can receive direct updates from Google.
So I click update and my phone reboots to TWRP but does nothing. Now I remember this same thing happened when I ran the CM11 nightly updates as well so I reboot and try again. But this time it says my system is up to date at 4.4...
Does anyone how to alleviate my OCD to have the latest and greatest? ?
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You can't and should never try to get OTA updates while using a custom ROM. Especially one that is ported from another device that has different partitions. If it would have gone through, you would have a very expensive paperweight.
Always get your updates from the developers ROM thread. Dan does a good job of updating almost on a nightly basis.
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Kitkat wifi.

How is everyone's wifi since kitkat update. Mine keeps loosing connection and have to toggle wifi off and on to reconnect. I have flashed the modded version on my d802 with custom recovery.
Sent from my LG-D802 using Tapatalk
fridaycider said:
How is everyone's wifi since kitkat update. Mine keeps loosing connection and have to toggle wifi off and on to reconnect. I have flashed the modded version on my d802 with custom recovery.
Sent from my LG-D802 using Tapatalk
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Click to collapse
i have noticed that i have to do this fairly regularly since upgrading to kitkat on my D802 with custom recovery. which rom did you flash out of interest?
http://forum.xda-developers.com/showthread.php?p=51075494
This one here. Though I have not had to since last night. Seems irregular intervals.
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i flashed the same rom also. i may try cloudystock rom to see if the issue still occurs. i will let you know if i still have the same problem.
I have just noticed it only happens on wifi just on Google apps. Gmail, app store but ebay and the rest is fine. Just uninstalled updates and cleared data and reupdated to see if it fixes it.
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Think I'm going back to jelly bean as not impressed with kitkat. If I can downgrade.
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[Q] [Help] LG G2 D800 Won't Rotate

So, i have the LG G2 D800 and the Gyroscope works fine since i bought it, custom roms rotated fine but recently ANY Rom i flash doesn't rotate, ran some tests and the Gyro stays at 0,0,0 when i flash the d80010c to 20d kitkat stock from LG it rotates and the tests go from -1,0,2 and so on and so forth.
I don't want LG's UI, but i also want rotation, if you guys can help, please. I recorded it also just today, sorry for bad quality.
https://www.youtube.com/watch?v=Z6O5aHle7-A&feature=youtu.be
0:06 - Cyanogenmod 10.2 [SLIM GAPPS] 4.3.1
4:15 PAC-ROM [PA_GAPPS] 4.4.2
11:40 LG G2 KitKat Flashable rom [Stock] 4.4.2
Simply download and flash this modem. Your rotation will be working just fine afterwards. Make sure to make a backup of your current baseband or if when/if you ever flash back to stock you wont have rotation with the stock rom lol. Simple fix
http://apicdn.viglink.com/api/click...rs.com&subid=cfcd208495d565ef66e7dff9f98764da
Sent from my LG-D800 using XDA Premium 4 mobile app
The modem you need to get rotation working depends on the custom rom you are using!
If you are using a custom rom that is based on LG's KitKat Source (e.g. Mahdi Rom, Slim Kat has now started with test builds) you need a non-modded KitKat modem version.
If you are using a Kit-Kat Custom rom, but which is based on LG's JellyBean Sources you need a moded Kitkat modem version to get rotation working.
Which custom are you using at the moment?
The moded versions can be found in this thread: http://forum.xda-developers.com/showthread.php?t=2705509
Maritus1 said:
The modem you need to get rotation working depends on the custom rom you are using!
If you are using a custom rom that is based on LG's KitKat Source (e.g. Mahdi Rom, Slim Kat has now started with test builds) you need a non-modded KitKat modem version.
If you are using a Kit-Kat Custom rom, but which is based on LG's JellyBean Sources you need a moded Kitkat modem version to get rotation working.
Which custom are you using at the moment?
The moded versions can be found in this thread: http://forum.xda-developers.com/showthread.php?t=2705509
Click to expand...
Click to collapse
Dude he shows it in the video and kinda posted it... lol
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---------- Post added at 06:22 PM ---------- Previous post was at 06:19 PM ----------
I don't just post with download links telling individuals to download this and that and as I know what I'm talking about.... I mean come on flashing is serious business... damage can be done but don't get all dramatic
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MIKEYG86 said:
[/COLOR]I don't just post with download links telling individuals to download this and that and as I know what I'm talking about.... I mean come on flashing is serious business... damage can be done but don't get all dramatic
Sent from my LG-D800 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
You are right, I haven't read properly. But I think just providing people with download links doesn't help them at all.
For myself i want to know why these problems appear and why these issues can be solved by flashing this specific file.
Greetings
Maritus1 said:
You are right, I haven't read properly. But I think just providing people with download links doesn't help them at all.
For myself i want to know why these problems appear and why these issues can be solved by flashing this specific file.
Greetings
Click to expand...
Click to collapse
Well no one had replied to his post and that was in March so I thought you would appreciate a quick fix. I usually like to explain my reasoning behind suggesting a link to download a file and what it's going to do and how exactly its going to fix your problem and what has happened in the first place so the user not only gets an answer or ultimately a solution he is now is knowledgeable on the subject for future reference.
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MIKEYG86 said:
Well no one had replied to his post and that was in March so I thought you would appreciate a quick fix. I usually like to explain my reasoning behind suggesting a link to download a file and what it's going to do and how exactly its going to fix your problem and what has happened in the first place so the user not only gets an answer or ultimately a solution he is now is knowledgeable on the subject for future reference.
Sent from my LG-D800 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I noticed that is for a D800. Which one is for KiTKat D80220D Stock ROM? I was trying to get LTE and flashed a modem but lost rotation. I need to get back to the original D80220D modem. Thanks.
Stock as in fully stock or a custom stock ROM??
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MIKEYG86 said:
Stock as in fully stock or a custom stock ROM??
Sent from my LG-D800 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
That is not going to work for a D802. The only way to fix this is to flash back to stock (fully). I did that an amazingly lost nothing except root. I was proud of myself. Then in the process of trying to regain root I lost everything...ouch! I completely forgot about how i originally got root while in JB an and still had the old iroot files. It was a disaster.
MIKEYG86 said:
Simply download and flash this modem. Your rotation will be working just fine afterwards. Make sure to make a backup of your current baseband or if when/if you ever flash back to stock you wont have rotation with the stock rom lol. Simple fix
http://apicdn.viglink.com/api/click...rs.com&subid=cfcd208495d565ef66e7dff9f98764da
Sent from my LG-D800 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Hi, the link you had provided is no longer active. Is it possible for you to update that please? I am facing this problem currently and your post appears like the best answer around. I intend to try out your method, however that can be possible if you can update the URL for downloading and flashing the modem.

Voice Wakeup for Lollipop 5.0.2(based on COS)

Can some one test this
It is not for 5.1, only 5
https://docs.google.com/file/d/0B9uqk9InEzCYeUdtTkJnSWtVMlk/edit?usp=docslist_api
Flash in twrp
Flahsing a system zip reverts it.
Shall I make it system flash survival?
I don't have CM12, so I tried it on OxygenOS. I was able to enable it, but it doesn't work very well, just like COS12.
Thanks.
Testing now.
Update: running CM12 5.1.1 nightlies and wouldn't boot up.
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Not working on exodus rom
Unfortunatly voice wakeup has stopped message when i change from off to on.
sookieball said:
Testing now.
Update: running CM12 5.1.1 nightlies and wouldn't boot up.
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It is mentioned in the OP that this won't work on 5.1.
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