[Q] Tmobile Note 4 Lollipop - Screen Mirroring choppy video playback - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

I've got a Tmobile Note 4 running Lollipop (updated OTA yesterday). I use a Samsung Wireless Dongle and Screen Mirroring to watch some shows. I noticed yesterday that video playback has become extremely choppy since the Lollipop update. Anyone else experiencing this issue? I double checked my network settings and everything is working smoothly. Video playback on the Note 4 itself is just fine. Just choppy on my TV screen when Screen Mirroring through the Wireless Dongle. Any ideas about how to address this would be much appreciated. I am rooted, running stock TouchWiz Lollipop ROM, if that matters.

Try without the dongle? It does work wireless if you have a smart tv

I have the dongle because I don't have a Wi-Fi Direct/Screen Mirroring capable television. I did dig around in Application Manager and found Wi-Fi Direct Share, and I've cleared the cache and data for it. I'll try it out this evening to see if that will get it working smoothly again.
Should note that on KitKat, the Dongle worked just fine. It is a Samsung brand wireless dongle.
There is no data nor cache to clear on Screen Mirroring app itself nor on the Wi-Fi Direct app. So crossing my fingers this Wi-Fi Direct Share has something to do with it.

I have the same samsung wireless dongle but since I updated to 5.0 i havent had the chance to stream, ill give input in a few when i get home. Also i had a lot of freezing while watching movies on 4.4 not sure if you ever experienced that, it was very annoying. Also I'm stock.

Still not resolved
Wireless dongle playback is still choppy as described in OP. Interested to here from others. A better description might by jerky... Audio is just fine. Might dig around in the build.prop file later. Otherwise, any feedback from others experiencing this issue or others who might have an idea for troubleshooting would be greatly appreciated.

Try booting up in recovery and wiping cashe partition that seems to fix a lot of strange problems for me.

No such luck, mate. Thanks for the suggestion, though. It's bareable as is right now, but it does bug the **** out of me. Haha. I'm just wondering if anyone else out there is experiencing this. I'm thinking of borrowing a Chromecast off someone to see if it has the same issue. I mean, the video in every app is smooth as butter on my phone screen, but the TV is jerky ever so slightly via the Samsung Dongle. I know it's not just me because my wife who typically cares less about tech noticed it.
Leave it to good ol Sammy. Sort of like that BS way they built screen mirroring to break on rooted devices using third party (read:non Samsung dongle) back on the Note 3. Anyone have an idea of something I could try to edit in the build.prop file? Any other ideas? I found an app on the Play Store that's meant to fix Screen Mirroring issues after an update, but when loaded it doesn't give me the option to run it, apparently it thinks I am already patched. Oh. And Samsung was the manufacturer of that app, go figure. So apparently this has happened in in the past?
If all else fails, I may just try a fresh install. I'm trying to wait for the latest version of TWRP because I heard some folks have had no luck flashing ROMs through TWRP after upgrading to Lollipop OTA and then rooting (which is what I did; I never rooted on KitKat because I wanted to keep my 1 yr Sammy Warranty intact, just in case). I know tripping Knox apparently doesn't affect the Tmobile insurance, but I've read varying stories on whether it affects your Sammy factory warranty.
Well. I'm off off to play some AC Unity on the PS4. I'll check back later. Happy trails

I am experiencing the same issue ever since I updated to lollipop. Video mirroring to my Samsung smart TV very choppy.

Nobody has any possible solutions for this? Please give it a shot if you have any ideas whatsoever. Now we have two confirmed reports.

Quick update. Hard reset and even unroooting the device didn't resolve the issue. Definitely something baked into to the latest TMO stock ROM

I've even had the screen freeze on the chromecast when mirroring but audio still plays

@knarfies I used to get a similar issue with Netflix but Lollipop resolved it. So can you connect with Chrome cast, but it freezes occasionally? How often is it happening? The Samsung Dongle works without freezing audio or video but is jerky enough for me and the wife to notice. Wasn't like that on KitKat.

I'm running stock and im using the samsung dongle and the video actually plays smoother on 5.0, when I was on 4.4 it use to freeze all the time I'm not sure why is not playing gird for you guys, plus whatever I was on 4.4 the video playback in general would freez during playback even when I was not screen mirring.

I am currently rooted with a custom kernel and stock ROM, but even before the mods, it was no longer working correctly. Samsung has an app on the Play Store to patch problems with Screen Mirroring after a software upgrade, but when I downloaded it, it said I was already patched. Even after a hard reset and completely non rooted stock everything it hasn't worked perfectly like it did on KitKat since Lollipop.

MarkBell said:
I am currently rooted with a custom kernel and stock ROM, but even before the mods, it was no longer working correctly. Samsung has an app on the Play Store to patch problems with Screen Mirroring after a software upgrade, but when I downloaded it, it said I was already patched. Even after a hard reset and completely non rooted stock everything it hasn't worked perfectly like it did on KitKat since Lollipop.
Click to expand...
Click to collapse
Thats strange because its the complete opposite for me.

Related

[Q] Browser crashes watching certain flash video

Hello,
I have had my nexus for about 5 months now and really love the phone.
One big feature that I use is flash video online and I watch streamed TV channels. A few months ago, when 2.2 was originally released I was able to watch any stream I cam across.
However, within the last month, certain video stream will result in my phones browser crashing immediately. The browser does not force close, and there is no error message, just immediately booted back to home screen.
The funny thing is, 2 of my friends who have the HTC desire, are unable to view the same streams. The browser crash is 100% repeatable without fail.
I am currently running STOCK 2.2, with stock recovery, stock (non-korean) radio, stock everything. I reverted entirely to stock from CM6 to see if it would fix my problem but it has not. I have tried CM6, Enomther, Kang and stock roms, Tried the froyo 4.06 radio and the Korean 5.08 radio, all of which have the exact same behavior.
A specific stream that does not load for me (there are others) is The Poker Channel, over at atdhe.net
I have tried both OnDemand and always on for flash settings but nothing seems to help.
If anyone has any ideas or also experiences these problems I would love to hear it. If you need more information or a video of the problem I can provide whatever is needed. I desperately would like to fix this problem.
I have been having the exact same issue with Justin.tv streams it was working when I was on the beta flash and right after the official flash was released. Very recently I want to say two weeks it crashes my browser. The only thing I can think of is maybe its being blocked from there end? I also tried wiping and installing the beta again and same crash
Sent from my Nexus One using XDA App
Well that is good news and bad news Im sorry to hear you have the same issue but its nice to know I am not alone.
I would like to get it fixed but I have no idea how to go about it. I have tried almost everything I can think of, including changing User Agent and all that stuff.
If anybody reads this, Is anybody able to watch the Poker Channel from atdhe.net on your phone? Other channels dont work as well, I dont even like poker, but I know that channel is a for sure browser crash for me.
So there is a new flash update that I just downloaded on my phone. Flash Player 10.1.95.1. This seems to have fixed my problem 100%, as every flash channel now works flawlessly.
If only I didnt revert everything back to stock... hahah At least I am happy to have my issue resolved.
I made sure mine is up to date and it still doesn't work it might be my build
Sent from my Nexus One using XDA App
Actually I came back to post that upon going through more channels I find that some still don't work. A majority of the ones that didn't work now do work but I still experience some channels on atdhe that crash my browser immediately. This is while using stock 2.2 still.
That changes my thoughts a little knowing your on a stock build it might be a problem with the stream itself I notice it does it only on Justin.TV streams the ones work great still
Sent from my Nexus One using XDA App
I had the same issue today. I was trying to watch a steram from atdhe which I'm pretty sure is linked to Justin TV. Just keeps crashing my browser .
Another issue I've had is watching Colbert report on CTV's and comedy centrals website. The audio plays in slow motion but the video plays normal. Everything else on those sties work for me.
I'm using CM6 nightly build.

CM 10.1.3 Streaming Video Delay Issue

Hello,
Recently took the CM plunge with my Nook HD+
Love how the lag and general sluggishness is gone, however, I have noticed something regarding streaming video. I work with a sports stats company that requires live game statistics. I have been using my tablet mainly for streaming ESPN, Big Ten Network, Xfinity TV. Since I flashed and rooted, I have noticed a pretty substantial lag in the games (If I open the application from the iPad or computer, I am noticing anywhere from a minute to 3 minute delay). Normally, you would most likely tell me "who cares", but since a major portion of the job requires speed and timeliness, I have been struggling with this lag.
Would there be any settings out there to tweak? It's obviously not the router, since before I flashed CM, it was on par with the iPad and computer versions of the app.
Thanks to anyone out there with assistance. Love what you guys do for this place.
cad300 said:
Hello,
Recently took the CM plunge with my Nook HD+
Love how the lag and general sluggishness is gone, however, I have noticed something regarding streaming video. I work with a sports stats company that requires live game statistics. I have been using my tablet mainly for streaming ESPN, Big Ten Network, Xfinity TV. Since I flashed and rooted, I have noticed a pretty substantial lag in the games (If I open the application from the iPad or computer, I am noticing anywhere from a minute to 3 minute delay). Normally, you would most likely tell me "who cares", but since a major portion of the job requires speed and timeliness, I have been struggling with this lag.
Would there be any settings out there to tweak? It's obviously not the router, since before I flashed CM, it was on par with the iPad and computer versions of the app.
Thanks to anyone out there with assistance. Love what you guys do for this place.
Click to expand...
Click to collapse
If you can really guarantee that its not something else then just go back to the official. Make a backup of cm first so you can go right back if you want or need to.

[Q] Videos won't play (M7)

I have a Sprint HTC One M7 which is S-Off and WAS rooted/on a custom rom. Why emphasize WAS? Because recently I've developed a strange issue. Any/ALL stock Sense based rom refuses to play stream videos, YouTube videos or any other videos in general. I have searched the issue up online and not one matching case on XDA. Other sources solutions are ridiculous. The funny thing is that videos play 100% fine on any AOSP based rom. This device is not currently connected to Sprint at all, only WiFi, same issue on any WiFi network I try. Oh, back to the emphasis on WAS, I have tried to factory reset, wipe internal storage, and finally, flashed an RUU and took OTA updates up to official Sense 6 and still no luck.
I have read some complications due to Google Movies app but I don't use or touch that app at all, regardless, how is it possible that that app is to interfere specifically with STREAM videos out of all videos sources? And how come it gives no issues on non-Sense based roms?
Any reasonable suggestions/solutions will gladly be THANKED.
SOLVED: Weird, I updated all Google Play apps and it seems to be working. Or it mayjust have been the Youtube online mobile site causing problems instead. I did indeed experience problems with video streaming on websites other than YouTube on other Sense roms, but in the case of returning to stock, it seems to have been a simpler issue
I was wrong, started happening again randomly with all videos again...this is hopeless.
Crossvxm said:
I have a Sprint HTC One M7 which is S-Off and WAS rooted/on a custom rom. Why emphasize WAS? Because recently I've developed a strange issue. Any/ALL stock Sense based rom refuses to play stream videos, YouTube videos or any other videos in general. I have searched the issue up online and not one matching case on XDA. Other sources solutions are ridiculous. The funny thing is that videos play 100% fine on any AOSP based rom. This device is not currently connected to Sprint at all, only WiFi, same issue on any WiFi network I try. Oh, back to the emphasis on WAS, I have tried to factory reset, wipe internal storage, and finally, flashed an RUU and took OTA updates up to official Sense 6 and still no luck.
I have read some complications due to Google Movies app but I don't use or touch that app at all, regardless, how is it possible that that app is to interfere specifically with STREAM videos out of all videos sources? And how come it gives no issues on non-Sense based roms?
Any reasonable suggestions/solutions will gladly be THANKED.
SOLVED: Weird, I updated all Google Play apps and it seems to be working. Or it mayjust have been the Youtube online mobile site causing problems instead. I did indeed experience problems with video streaming on websites other than YouTube on other Sense roms, but in the case of returning to stock, it seems to have been a simpler issue
I was wrong, started happening again randomly with all videos again...this is hopeless.
Click to expand...
Click to collapse
This is really weird.. this is the second time I've heard of this problem. Hasn't happened to me yet though.
StormyNight said:
This is really weird.. this is the second time I've heard of this problem. Hasn't happened to me yet though.
Click to expand...
Click to collapse
Yeah its annoyingly random. I had to jump back to a custom aosp-based rom in the meanwhile. It was working again then it just stopped. I wanted to stick to a Sense based rom as the battery life is very promising. For now i have chosen Beanstalk for its stability/battery life as my temporary choice. I just wish I knew what causes it. Doesnt sound like any Androud virus I've ever heard of, and I've never actually heard of an android virus except something about rootkits.
Crossvxm said:
Yeah its annoyingly random. I had to jump back to a custom aosp-based rom in the meanwhile. It was working again then it just stopped. I wanted to stick to a Sense based rom as the battery life is very promising. For now i have chosen Beanstalk for its stability/battery life as my temporary choice. I just wish I knew what causes it. Doesnt sound like any Androud virus I've ever heard of, and I've never actually heard of an android virus except something about rootkits.
Click to expand...
Click to collapse
My theory is that there's something wrong with the libs on a Sense ROM, that makes it incompatible with the newer versions of YouTube. Might be wrong though, since I'm not a developer. Also, since it happens randomly >.>.
StormyNight said:
My theory is that there's something wrong with the libs on a Sense ROM, that makes it incompatible with the newer versions of YouTube. Might be wrong though, since I'm not a developer. Also, since it happens randomly >.>.
Click to expand...
Click to collapse
Its not just YouTube its actually...everything. Netflix, MTV app, YouTube, both stock web browser and Chrome when streaming videos, the list goes on. I didnt get to test what happens with videos played from the internal storage though...

[Q] After 4.4.4 update, Screen Mirroring doesn't work!

Hello everyone!
My phone has been running Stock 4.3 since it went out. Fact is that I always used Screen Mirroring feature with no problems over that version, but yesterday I updated my Galaxy S3 i9305 to the latest firmware, 4.4.4. Now, don't know why my phone can't connect to my SmartTV as well as it always did.
Can anyone tell me any reason, please? My phone is running quite well, but not with that feature wich I use so often...
Thanks in advanced
Please!! No one's gonna help me? Pleeeeeaseee!!!
tried a factory reset? or did it when installing this update?
Of course! I installed this firmware for twice. First time the German version, and after that the official 4.4.4 for i9305. It never worked on none of them. My phone is working better than ever and flawlessly, but missed that feature... just now when I bought a Smart TV :'( why this is happening to me? :'(
Hi. Only you (and me) have "this" problem? When samsung rolls out 4.3, there was trouble too with miracast. Solved with a future 4.3 *patch* from samsung. I think we only have to wait for a 4.4.4 patch... ?
It may depend on your TV aswell.
I have a Sony KDL W905. And I am unable to use Screen mirroing with this phone on both 4.12 as well as the new 4.4.4 firmware.
For that matter I am also unable to use it from my Galaxy Note8 running 4.4. So I am starting to suspect the TV..
Oddly enough when using screen mirroring from the video app, it works fine.
Welll... i don't have tv with miracast or google chromecast. I have a Measy A2W. It works with 4.3, now with 4.4.4 don't...
Okay. yesterday reinstalled the stock ROM 4.4.4. Before had done a factory reset. The Miracast screen mirroring worked. but, after doing root, crashed. The problem is in the root. anyone have a solution? Thank you
I have the same problem. Are you sure it's in rooting?
S3 with auto-update to 4.4.4. : screen mirroring doesn't work any more!
Same problem here. I used screen mirroring frequently on my Samsung S3 with the previous standard Android OS, 4.3.
TV: Smart TV, SAMSUNG UE40H7005LED
I installed the scheduled Samsung update to 4.4.4. and screen mirroring doesn't work any more.
My wife has the same phone, did the same update, and it doesn't work on here phone either any more!
Both phones are standard, of the shelf phones, not rooted.
Something is wrong in this update!
Any solutions?
s3 i9305 lte screen mirror not workin on 4.4.4 after root
Hi ppl i have s3 i9305 ltr running stock kitkat 4.4.4 and screen mirror workin flawless with measy a2w dongle until i rooted device. Now screen mirror is not working. Phone still conects to dongle and plays localy stored videos/music/photos from internal or sd storage but wont mirror i get "screen mirroring has been disconnected due hardware issues". I unrooted phone and all is good again screen mirror works fine. Can someone please help? I had same issue on s4 mini i9515 but was able to find and edit hdcp config. For the life of me i cannot find this on s3 and edit it someone please help as i love my phone rooted but want to keep screen mirror. Regards gaz
Same problem on Galaxy I9305 / android 4.4.4.
No rooted mobile.
I tryed the factory reset but no improvement came. When I try to connect the mobile to the device (minix x8 h plus) at first it seems to match but than nothing... Sometime it seys "hardware problems..." sometime only "disconnect..."
Does anyone have any news?

Very strange device behavior, I believe that it is defective

I have bought the second hand device over e-bay and from the beginning I have some problems with it.
Unfortunately I didn't tested it much when I received it because it was still on 5.0.1 stock and rooted. My wish was to have a stock device so it could receive OTA updates as lately I don't have a time to play with the phone.
I have read the beginners guide and followed the guide to return it to stock. I have flashbooted stock recovery, latest Lolipop radio, kernel, system and locked the bootloader. After booting into OS the device has informed that there is a system update. I downloaded it OTA and it installed without a problem. Now the trouble begun when I tried to use the phone. I noticed that youtube won't play any file, Kodi also. Sometimes it even rebooted the phone, but I noticed that when hardware acceleration in Kodi is turned off it plays OK. I thought that maybe video drivers are not OK and tried to check how video benchmark works. Basemark X on medium quality went OK so I thought that I did something wrong in a process of returning the device into stock and tried with a custom ROM.
The decision was to install xTraSmooth . As I didn't had a time to read everything afterwards I found that it is Android M preview and that I should update bootloader and radio as well. But Youtube started to work, Kodi also. Than I noticed that wifi signal is dropping so I decided not to update bootloader but to return to Lolipop and I installed Chroma ROM. After it flashed youtube and Kodi problem started again. I flashed elementalx kernel and Youtube worked but when I turned on hardware acceleration in Kodi it wasn't working.
Than I returned again to xTraSmooth but updated the radio, Youtube and Kodi were working fine, at least I thought. Yesterday I discovered that on some youtube 1080p videos video just freezes the picture after maybe a minute and sound continues to work. When I lower the quality bellow hd it is OK. Strange is that some 1080p youtube videos work without a problem.
Also I bought a slimport adapter and it doesn't work (I have only tested it with xTraSmooth M preview 2). I thought that an adapter is not good but tried it with my cousin Nexus 5 and it is OK.
Don't have a Chromecast and I tried a Miracast with a build.prop hack but the picture is terrible (xTraSmooth M preview 1).
I'm starting to think that my device is defective. Could you please help? Sorry for a quite long explanation.
Please edit this into paragraphs and I'll read it, but I'm not going to read it as it is. Nothing personal, but it's difficult to read block text.
danarama said:
Please edit this into paragraphs and I'll read it, but I'm not going to read it as it is. Nothing personal, but it's difficult to read block text.
Click to expand...
Click to collapse
Sorry for writing the post as one block, I have split it into paragraphs now. Hope that it would be easier to read it although it is very long. I tried to explain my problem as better as I could with less words possible.
frankofr said:
Sorry for writing the post as one block, I have split it into paragraphs now. Hope that it would be easier to read it although it is very long. I tried to explain my problem as better as I could with less words possible.
Click to expand...
Click to collapse
Thanks for doing that.
Youtube should work fine. I would stick to Lollipop 5.1.1 builds. It doesn't have to be stock. The preview is just a preview so some things may not work.
I cannot comment on XtraSmooth as I haven't used it.
I do have Kodi, so if there is anything you want me to test on the rom I use, please let me know.
Nexus 6 doesn't support Slimport or MHL. I've used EZCast and that seems to work fine, picture resolution wise - though performance is poor, so no good for games or video.
I dont think your device is faulty. I would recommend trying some of the latest stock roms or AOSP roms after a full factory reset and trying again with youtube. What carrier are you on / country are you in?
danarama said:
Thanks for doing that.
Youtube should work fine. I would stick to Lollipop 5.1.1 builds. It doesn't have to be stock. The preview is just a preview so some things may not work.
I cannot comment on XtraSmooth as I haven't used it.
I do have Kodi, so if there is anything you want me to test on the rom I use, please let me know.
Nexus 6 doesn't support Slimport or MHL. I've used EZCast and that seems to work fine, picture resolution wise - though performance is poor, so no good for games or video.
I dont think your device is faulty. I would recommend trying some of the latest stock roms or AOSP roms after a full factory reset and trying again with youtube. What carrier are you on / country are you in?
Click to expand...
Click to collapse
Thank you for your reply.
I tried Chroma ROM which is ASOP 5.1.1. and Youtube / Kodi didn't worked.
Kodi had a general problem, I was watching a stream of Sons of Anarchy with Genesis plugin but I believe that the same thing will be with any other video. Maybe if it was a video stored on internal memory it would be OK. I'll test this
Sorry to hear that Nexus 6 doesn't support Slimport, I read that it does on GSM arena, NDTV gadgets so I didn't check any further. Does anybody tried Chromcast? I bought this phone mostly to connect it with TV to watch videos and I would appreciate a lot if somebody has a working solution.
OK I will try again to wipe the whole phone and reset it from the beginning.
I'm from Croatia and carrier is Tomato but I connect the phone on internet for any serious transmission over my home wifi.
frankofr said:
. . . I have flashbooted stock recovery, latest Lolipop radio, kernel, system and locked the bootloader. .
Click to expand...
Click to collapse
There is a thread (by pokedroid) about issues after relocking the bootloader.
NLBeev said:
There is a thread (by pokedroid) about issues after relocking the bootloader.
Click to expand...
Click to collapse
I was trying to find pokedroid thread but I didn't find anything I could use. All I found out of his threads about relocking was the questions from 2 guys who were asking about messing with their company phone. Could you please lnk the tread you are referring to. Thanks.
Anyway I had some time to play with the phone. I installed stock 5.1.1 and relock the bootloader again, I tried Benzo-Rom and XtraSmooth (both 5.1.1) I tried stock M preview and they all had a problem with a video hardware acceleration. VLC even popped out the message that there was a problem with a hardware acceleration and proposed to turn it off.
I tried internet streams, streams over my LAN, playing video from internal memory. Every time the same problem.
I tried to downclock GPU in Benzo-ROM to 400 MHz and that repaired a problem but just in some cases.
After everything I installed again XtraSmooth M preview and almost all videos were playable. I checked GPU clock in CPU-z because I thought that it may be downclocked but it was 600 MHz (max). Well I won't complain for extra power but it is very strange that hardware acceleration works stable on overclocked GPU on preview OS and it doesn't work on stock clock on stable OS release.
Finally after being couple days on XtraSmooth M preview I tried to watch some video from facebook app but it rebooted my phone. I was going through developers options in setting menu and turned on "Disable HW overlays" and after this every video is playing ok.
Can anybody help me with this problem.
After a lot of trying I finally decided to ask Motorola for a help but unfortunately when entering IMEI number it was rejected. Now I am worried that the phone might be stolen and changed IMEI number. Maybe during that change something has gone wrong and that is why the phone is not working as it should be. Is there any way to check this without going to Motorola service because I live too far. The guy that has sold the phone isn't registered at ebay any more, which I discovered just today.
frankofr said:
After a lot of trying I finally decided to ask Motorola for a help but unfortunately when entering IMEI number it was rejected. Now I am worried that the phone might be stolen and changed IMEI number. Maybe during that change something has gone wrong and that is why the phone is not working as it should be. Is there any way to check this without going to Motorola service because I live too far. The guy that has sold the phone isn't registered at ebay any more, which I discovered just today.
Click to expand...
Click to collapse
Try the Swappa IMEI checker > https://swappa.com/esn
cam30era said:
Try the Swappa IMEI checker > https://swappa.com/esn
Click to expand...
Click to collapse
Many thanks, it showed that it is not blacklisted so I tryed again at Motorola pages and now it was OK, maybe it was some problem on the page because I tried about 5 - 6 times writing it all over again.
I have continued trying to repair the phone but unfortunately I have broken it more.
My WiFi connectin was breaking very often, signal was week, I found how to repair and rebuild persist folder and after the process sensors are not working. I have applied the following:
I have rebooted in TWRP and enered the following commands:
Code:
adb shell
e2fsck -y /dev/block/platform/msm_sdcc.1/by-name/persist
make_ext4fs /dev/block/platform/msm_sdcc.1/by-name/persist
Persist exist but in TWRP I can see it only as a file not as folder.
After I have tried to fastboot everything from the scratch (bootloader, radio, system, userdata . . . ) several times. I have wiped everything from TWRP. I have tried to return to stock 5.0.0. over nexus root kit, than update it to 5.1.1. but still sensors do not work. Is there any method to return this?
Just to update with the situation: I have installed CM 12.1 hoping that it will repair the issue somehow. Unfortunately it didn't.
Then I went through the root folder and folder /persist exist and it has sens.req file On the other hand it seems that my wifi and data reception are working much better. Is it possible to copy /dev/block/platform/msm_sdcc.1/by-name/persist file from some other phone into mine to repair the problem?
I have been reading more and maybe found out what has happened. I think that I have messed EFS but I am not sure as I didn't do a backup. Can somebody please answer is my conclusion true and could it be that the phone will be repaired with just a software correction? If yes is there any mothod to repair ESN other than sending it to service because I would have to send it out of my country (nexus is not selling here and none of the services I contacted will take it for repair).

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