XZ1 (SOV36) Wifi Keeps Getting Disconnected - Sony Xperia XZ1 Questions & Answers

Hello everyone,
I'm a new user of XZ1 (SOV36) AU unlocked with JP rom 47.2.c.1.126
My wifi keeps getting disconnected randomly. Tried 2 different wifi connections and it is the same
I know it was a sony known bug. Is it not resolved on this rom? Is there any other Rom I can try without this bug? I noticed others are flashing global roms however they said the phone is not going to deep sleep and the battery life is shortened.
Please let know if you are aware of some tricks to reolved this.
PS: I enabled wifi verbose logging in Developer options and turned off mobile data always on.
Thanks guys!

bootloader unlock not possible so i can't disable NFC when I flash global rom. i guess I have no choice but to live with Japan rom

engineer000 said:
bootloader unlock not possible so i can't disable NFC when I flash global rom. i guess I have no choice but to live with Japan rom
Click to expand...
Click to collapse
I just got this phone today. AFAIK you have few options for debloating.
1. Use temporary root method
2. Flash AU rom by replacing the OEM file from a global rom (UK variants). This debloats it by not installing AU bloats.

gurangax said:
I just got this phone today. AFAIK you have few options for debloating.
1. Use temporary root method
2. Flash AU rom by replacing the OEM file from a global rom (UK variants). This debloats it by not installing AU bloats.
Click to expand...
Click to collapse
thanks for your response. my only problem is wifi keeps getting disconnected randomly and it is the reason why i wish to change to global rom. bloatware i can live with them. disabled and uninstalled other bloat without root
am I the only one who has wifi issues do you have the same version of rom as I have? 47.2.c.1.126

engineer000 said:
thanks for your response. my only problem is wifi keeps getting disconnected randomly and it is the reason why i wish to change to global rom. bloatware i can live with them. disabled and uninstalled other bloat without root
am I the only one who has wifi issues do you have the same version of rom as I have? 47.2.c.1.126
Click to expand...
Click to collapse
have same rom. no wifi issues. probably you need to change the wifi channel? are you using 2.4G or 5G wifi or does it happen in both. It doesn reconnect automatically after disconnect? maybe its related to the Acces Point wifi strength also

I'm near the router.
this is 5Ghz wifi. I'm trying to check with 2.4ghz, just can't update the one I am using now.
It reconnects automatically after disconnect, takes a couple of minutes. sometimes i need to manually connect in settings.
I'll observe it and will try with 2.4ghz

I think I have the same problem too. Disconnect too often and then the 5G Wifi disappeared for a while, while my other devices can still see 5G
But for me, it usally happens if you just rebooted your phone or if you go from home, connect to other wifi and go back home.
I tried reflashing and resetting my router and tweaking the settings correctly but nothing helped much. It's only my XZ1 that happens. 2G works perfectly but it's slow.
My firmware is 47.2.A.11.228

evildog1 said:
I think I have the same problem too. Disconnect too often and then the 5G Wifi disappeared for a while, while my other devices can still see 5G
But for me, it usally happens if you just rebooted your phone or if you go from home, connect to other wifi and go back home.
I tried reflashing and resetting my router and tweaking the settings correctly but nothing helped much. It's only my XZ1 that happens. 2G works perfectly but it's slow.
My firmware is 47.2.A.11.228
Click to expand...
Click to collapse
What is the original model of your XZ1? Mine is SOV36 originally and have been flashed with G8341 by the seller, with the bootloader which can't be unlocked. It has random reboot issue which has been fixed by uninstalling nfc modules, and debloated. I'm not having any issue with 5G or 2.4G wifi.
I only have problem with wifi on my Android Box which was fixed by changing the wifi channel on my router. The NFC module could be the reason interfering with the wifi signal or any of the inner parts. You can try disabling/uninstalling the nfc module from your phone and try again to see if the problem persists.
I uninstalled the nfc module from the ADB shell. Or you can just disable them also from ADB shell. Its not possible to disable it from the settings.

gurangax said:
What is the original model of your XZ1? Mine is SOV36 originally and have been flashed with G8341 by the seller, with the bootloader which can't be unlocked. It has random reboot issue which has been fixed by uninstalling nfc modules, and debloated. I'm not having any issue with 5G or 2.4G wifi.
I only have problem with wifi on my Android Box which was fixed by changing the wifi channel on my router. The NFC module could be the reason interfering with the wifi signal or any of the inner parts. You can try disabling/uninstalling the nfc module from your phone and try again to see if the problem persists.
I uninstalled the nfc module from the ADB shell. Or you can just disable them also from ADB shell. Its not possible to disable it from the settings.
Click to expand...
Click to collapse
Oh SOV36 is a japanese carrier model. Yeah carrier phone are normally not unlockable
Mine is G8341, normal phone and unlockable. Rooted with Magisk and debloated by disabling apps. Didn't want to uninstall completely to avoid bricking
Did another tweaking of router settings. I don't use NFC so i disabled it on settings and frozen them via Titanium backup and reboot. Seems working so far, no disconnect. Hope it works longer

evildog1 said:
Oh SOV36 is a japanese carrier model. Yeah carrier phone are normally not unlockable
Mine is G8341, normal phone and unlockable. Rooted with Magisk and debloated by disabling apps. Didn't want to uninstall completely to avoid bricking
Did another tweaking of router settings. I don't use NFC so i disabled it on settings and frozen them via Titanium backup and reboot. Seems working so far, no disconnect. Hope it works longer
Click to expand...
Click to collapse
SOV36 is unlockable, someone has already did it, but it involves paying a sum. I would like to know how he did it. And there is also someone who installed TWRP with root and LOS on a bootlocked phone. I don't know how he actually did it but I have an idea.
Also when you disabled nfc from settings, its not totally disabled. You can see that there are some nfc modules still running in the background and they need to be disabled completely using adb command for unrooted phones.

gurangax said:
SOV36 is unlockable, someone has already did it, but it involves paying a sum. I would like to know how he did it. And there is also someone who installed TWRP with root and LOS on a bootlocked phone. I don't know how he actually did it but I have an idea.
Also when you disabled nfc from settings, its not totally disabled. You can see that there are some nfc modules still running in the background and they need to be disabled completely using adb command for unrooted phones.
Click to expand...
Click to collapse
Alright
installing TWRP on a locked bootloader is possible since but would need rooted phone. We did it back then on Z3 compact
Downgrade to the lowest firmware with exploits, root, install TWRP and flash latest firmware via TWRP

cool. let me try your suggestions above and I'll let you know. maybe the nfc because it is the only difference to global version.
maybe my phone has some issues too. i have another japan phone xz2 from docomo and wifi works well. both jpn firmware and global flashed fimware.

evildog1 said:
Alright
installing TWRP on a locked bootloader is possible since but would need rooted phone. We did it back then on Z3 compact
Downgrade to the lowest firmware with exploits, root, install TWRP and flash latest firmware via TWRP
Click to expand...
Click to collapse
I would like to try this on my bootlocked SOV36. One thing I noted is from J4nn, he mentioned about setting OEM and another partition (can't recall) as read only or else it will trigger an error, I wonder which TWRP version has this set or must it be set/compiled manually. I would like to use any other custom roms just to test them especially android 10/11, although current global pie version has no problem only NFC is disabled which I don't use.
Found out that the bootloader can be unlocked by qunlock and need credit for unlocking, but if a custom firmware can be flashed without unlocking the bootloader then it is not needed.
---------- Post added at 04:23 PM ---------- Previous post was at 04:20 PM ----------
engineer000 said:
cool. let me try your suggestions above and I'll let you know. maybe the nfc because it is the only difference to global version.
maybe my phone has some issues too. i have another japan phone xz2 from docomo and wifi works well. both jpn firmware and global flashed fimware.
Click to expand...
Click to collapse
I think japanese NFC uses felica and osaifu keitai for NFC modules, I have these modules also on a S7 Edge Docomo version. There's no problem if you use japanese ROMs, problem will only be on firmwares with incompatible/modified NFC modules.

gurangax said:
I would like to try this on my bootlocked SOV36. One thing I noted is from J4nn, he mentioned about setting OEM and another partition (can't recall) as read only or else it will trigger an error, I wonder which TWRP version has this set or must it be set/compiled manually. I would like to use any other custom roms just to test them especially android 10/11, although current global pie version has no problem only NFC is disabled which I don't use.
Found out that the bootloader can be unlocked by qunlock and need credit for unlocking, but if a custom firmware can be flashed without unlocking the bootloader then it is not needed.
---------- Post added at 04:23 PM ---------- Previous post was at 04:20 PM ----------
I think japanese NFC uses felica and osaifu keitai for NFC modules, I have these modules also on a S7 Edge Docomo version. There's no problem if you use japanese ROMs, problem will only be on firmwares with incompatible/modified NFC modules.
Click to expand...
Click to collapse
I'll be fine with Global rom as long as there's no battery drain. Right now, I'm still using the latest AU firmware. It is fine, I just disabled some apps and uninstalled those that can be installed. Using Google Phone and Messages app makes it like a Global firmware.

The wifi is slow and disconnects randomly again after reboot, even I fully disabled NFC. Wifi 2G/5G still fast on other devices no problem
I know this thread is about SOV36, but i'm not sure if it has a difference with normal phone with nordic firmware
I think i'm gonna buy another phone now

gurangax said:
What is the original model of your XZ1? Mine is SOV36 originally and have been flashed with G8341 by the seller, with the bootloader which can't be unlocked. It has random reboot issue which has been fixed by uninstalling nfc modules, and debloated. I'm not having any issue with 5G or 2.4G wifi.
I only have problem with wifi on my Android Box which was fixed by changing the wifi channel on my router. The NFC module could be the reason interfering with the wifi signal or any of the inner parts. You can try disabling/uninstalling the nfc module from your phone and try again to see if the problem persists.
I uninstalled the nfc module from the ADB shell. Or you can just disable them also from ADB shell. Its not possible to disable it from the settings.
Click to expand...
Click to collapse
hello, i have xz2 japanese softbank version. can u tell me how to disable the nfc module via adb? i want to use global firmware and disable the nfc to prevent random reboot.
thanks before

elmaleek03 said:
hello, i have xz2 japanese softbank version. can u tell me how to disable the nfc module via adb? i want to use global firmware and disable the nfc to prevent random reboot.
thanks before
Click to expand...
Click to collapse
try this link https://forum.xda-developers.com/t/...n-with-adb-pie-47-2-c-1-126-non-root.4081391/

gurangax said:
try this link https://forum.xda-developers.com/t/...n-with-adb-pie-47-2-c-1-126-non-root.4081391/
Click to expand...
Click to collapse
thanks for the reply, unfortunately those command screwed up my device. i did it succesfully by just disabling the com.android.nfc through adb, reboot and no more nfc error in the logcat. deep sleep works well too

elmaleek03 said:
thanks for the reply, unfortunately those command screwed up my device. i did it succesfully by just disabling the com.android.nfc through adb, reboot and no more nfc error in the logcat. deep sleep works well too
Click to expand...
Click to collapse
yes you are suppose to just uninstall the nfc modules, the link is for xz1. its just for reference

For wifi random drops; flash via emma flash tool.
I had same issue whenever i flash stock via newFlasher.

Related

[Q] Z2 l50u / l50t - sim not working on other roms [Solved]

Pitzmans said:
hello everyone,
a friend has recently bought a Sony xperia z2 for me from china and the model i got is the china unicom model (l50u)
the phone is censored on the stock rom it has, cannot use any applications that aren't Chinese government approved i guess (no google play, gmail, etc and you can only download Chinese apps through sony select which is in Chinese and cannot be changed)
this phone model is physically different than the rest of the sony xperia z2 (2.2mm taller, no mic holes, different slot locations )
anyway i unlocked the bootloader (before i really knew what it means, i wanted to root the phone) and then i flashed it with some other official roms using flashtool
when the phone runs on a different rom, everything works great except for the sim not working (the phone is supposedly simfree as it recognizes my not-china-unicom sim) and when its on the stock rom only the sim works and the phone is pretty much useless to me but a weird camera
before i started noobing around the device i updated its firmware through Sony's pc program which gave me the files to create the ftf file from and some more TA files in which one of the is called simlock.ta
i tried installing Emma and see if the phone is registered as simlocked but i couldn't get it to work (it seem like it is no longer for non-sony employees people)
so i ask you. is there any way for me to use this phone with a different official rom and make the sim work with it? is there anything i should know about? any help is appriciated as im new to this community (which i enjoyed lurking around in the past) and to this area in android devices (as i was quite pleased with the Os as is on previous devices)
thank you for your time, and keep being a great community
any help is appreciated
Phone's Details :
CV: 1285-4242_R13A
Model :L50u
FW: 17.1.f.0.60
Brand :China Unicom
Sim lock status on service window is all 0
DRM keys are gone [unknown error][active]
Click to expand...
Click to collapse
today i solved this problem with the help of Olberd and Chesterr
First i flashed to Generic Euro Rom from this thread
using Flashtool
then i rooted the phone using EasyRoot V8(check if your device works with it in it's current state)
then i installed SuperSU
then i installed Nut's Dual Recovery(locked) [you can probably check for a newer version and or change to an unlocked bootloader version]
then i flashed the radio drivers:
for the L50t (given to me by Olberd): Here
for the L50u (made by me using Olberd's files as a base*): Here
(put the driver zip on the root folder of the phone, restart and press the volume down button when the phone vibrates, untill the blue led lights, navigate to "flash zip.." and choose the driver zip)
now both the phone and the sim work, so far everything works fine ill update if there are any issues with the phone.
thanks everyone for your time and help!
*: take any of these 2 zip files and put your current original firmware's radio drivers - i used a root browser on the original firmware to get the radio drivers (copied them to a folder i can access normally on the phone) [search for the files you see in the zip].
NOTE : Use the drivers suitable for your phone, although they work on both phones they cause weird shutting down issues when installed on the wrong phone
Update : i checked all the links and wrote notes about EasyRoot , Nut's Duel Recovery and how to make the flashable zip file . i'm sorry but i cannot help with newer problems because i dont have this phone anymore as i posted before. i got some PMs and emails from sony support forum and im redirecting people here.
Update 2: apparently the google drive link became locked due to some google's change, so i updated the link so its downloadable again.
Pitzmans said:
hello everyone,
a friend has recently bought a Sony xperia z2 for me from china and the model i got is the china unicom model (l50u)
the phone is censored on the stock rom it has, cannot use any applications that aren't Chinese government approved i guess (no google play, gmail, etc and you can only download Chinese apps through sony select which is in Chinese and cannot be changed)
this phone model is physically different than the rest of the sony xperia z2 (2.2mm taller, no mic holes, different slot locations )
anyway i unlocked the bootloader (before i really knew what it means, i wanted to root the phone) and then i flashed it with some other official roms using flashtool
when the phone runs on a different rom, everything works great except for the sim not working (the phone is supposedly simfree as it recognizes my not-china-unicom sim) and when its on the stock rom only the sim works and the phone is pretty much useless to me but a weird camera
before i started noobing around the device i updated its firmware through Sony's pc program which gave me the files to create the ftf file from and some more TA files in which one of the is called simlock.ta
i tried installing Emma and see if the phone is registered as simlocked but i couldn't get it to work (it seem like it is no longer for non-sony employees people)
so i ask you. is there any way for me to use this phone with a different official rom and make the sim work with it? is there anything i should know about? any help is appriciated as im new to this community (which i enjoyed lurking around in the past) and to this area in android devices (as i was quite pleased with the Os as is on previous devices)
thank you for your time, and keep being a great community
any help is appreciated
Phone's Details :
CV: 1285-4242_R13A
Model :L50u
FW: 17.1.f.0.60
Brand :China Unicom
Sim lock status on service window is all 0
DRM keys are gone [unknown error][active]
Click to expand...
Click to collapse
If your z2 is 2.2mm taller then it is the L50t China Mobile Model, The L50t uses TD LTE for 4G, the 3G is locked to China Mobile, but roaming with China Mobile Sim card is fine, it means you can only use China Mobile Sim card if you travel outside China. You can try to buy a unlock code, but only 3G will work, 4G LTE will never work unless you are in China.
coolmingli said:
If your z2 is 2.2mm taller then it is the L50t China Mobile Model, The L50t uses TD LTE for 4G, the 3G is locked to China Mobile, but roaming with China Mobile Sim card is fine, it means you can only use China Mobile Sim card if you travel outside China. You can try to buy a unlock code, but only 3G will work, 4G LTE will never work unless you are in China.
Click to expand...
Click to collapse
this is the l50u model of china unicom and im currently in the middle east and the my sim works on the device, i dont think you read through the whole thing :S
the device apears to be sim free since any sim i insert into it when its on the china unicom rom works, but when i flash it to other roms only the sim doesnt work
Pitzmans said:
i tried installing Emma and see if the phone is registered as simlocked but i couldn't get it to work (it seem like it is no longer for non-sony employees people)
Click to expand...
Click to collapse
Emma actually works. You need to copy the customization file when you initially extracted the zip, into the installation directory.
It was something that I actually missed too and there is a guide on Sony which tells you that. Once you copy that, Emma will work.
Pitzmans said:
this is the l50u model of china unicom and im currently in the middle east and the my sim works on the device, i dont think you read through the whole thing :S
the device apears to be sim free since any sim i insert into it when its on the china unicom rom works, but when i flash it to other roms only the sim doesnt work
Click to expand...
Click to collapse
Have you found an uncensored firmware which works on the L50U yet?
BTW, its not the SIM that is disabled, its the whole GSM/UMTS/LTE radio functionality that gets disabled. My phone keeps telling me its in Airplane mode when its not. Also its confused about where the covers are for SIM/charger/microSD and keeps telling me I've left one open when I haven't.
Does anyone have the blob_fs files from C:\Program Files (x86)\Sony Mobile\Update Service\db\13740270\blob_fs starting FILE_ which you would get if you upgraded a real model D6503 to 17.1.1.A.0.402 as I'd like to try rebuilding the FTF but specifying model L50U in the build process to see if that would work?
If you have the blob_fs files for building the Generic FTF, then please post them here?
TIA
banjo67xxx said:
Have you found an uncensored firmware which works on the L50U yet?
BTW, its not the SIM that is disabled, its the whole GSM/UMTS/LTE radio functionality that gets disabled. My phone keeps telling me its in Airplane mode when its not. Also its confused about where the covers are for SIM/charger/microSD and keeps telling me I've left one open when I haven't.
Does anyone have the blob_fs files from C:\Program Files (x86)\Sony Mobile\Update Service\db\13740270\blob_fs starting FILE_ which you would get if you upgraded a real model D6503 to 17.1.1.A.0.402 as I'd like to try rebuilding the FTF but specifying model L50U in the build process to see if that would work?
If you have the blob_fs files for building the Generic FTF, then please post them here?
TIA
Click to expand...
Click to collapse
yea, the sim is unlocked by all means but it wont work on any other rom (i flashed a few : RU and UK unbranded ) both work fine except the SIM. (as far as i noticed everything else worked fine)
i posted on sony's support forum and got no help really.
also posted Here but nobody could help me
i got the "official" rom for l50u from when i updated it, i just have really bad upload rate and i saw no interest in it - i can upload it for you but it may take some time.(i also still has the FILEs )
i also tried flashing combination of roms (excluding things on the list) but that didn't work, and the new easy easy root didn't work on the l50u as well
i figured the only thing i could do is customize a rom like CyanogenMod using this? (their link is broken but if you change "other" to "copylefts" it works)
but i currently don't have the knowledge and more importantly the time and patience : |
a friend also took it to an official sony retailer but he couldn't do anything about it and also said the warranty is voided as i unlocked the boot loader before there was a way to back up the drm keys)
so tell me what you think and need from me and ill upload it for you.
thanks for your time and have a great weekend.
I am having the same issue with l50t phone, I was unable to get google apps to work on the china rom, and reading the forms they say it needed to be rooted to make changes to the host file.
I use doomlords "Z2_DooMLoRD_AdvStkKernel_FW-438-v05" after unlocking the bootloader, but that stopped my wifi from working. Mobile network still worked though.
Then I tried using cyanogenmod but had no service.
Finally I flashed it using "Canada - unbranded - 1281-9709" (I didn't back up the original) and still no service.
I have checked the IMEI number and it is still there.
Have you or anyone out there have an answer? Please and thank you
Pitzmans said:
so tell me what you think and need from me and ill upload it for you.
Click to expand...
Click to collapse
Unfortunately, I need help from those millions of people with a standard D6503 model, not us few who have the L50u and L50t models.
*YOU* reading this with a D6503 model - Please can you go to re-upgrade your working 17.1.1.A.0.402 firmware (no need to go ahead with the upgrade in reality) and send us the blob_fs files from C:\Program Files (x86)\Sony Mobile\Update Service\db ?
I'd really like to know if Flashtool can decrypt your D6503 blob_fs files and make a working L50u FTF from them.
Thanks.
Maybe someone can help me get going to get the SIM working.
What I've found is that the radio is turned off.
Dialed *#*#4636#*#*, but am unable to turn on the radio or select radio band (get "set [usa band] unsuccessful")
Also could not select preferred network type. I also can't change this under network mode in mobile network settings.
Please help me to figure how I can get network service.
Bump - problem solved [so far]
Pitzmans said:
Bump - problem solved [so far]
Click to expand...
Click to collapse
Hi Pitzmans, how did you solve it?
Have you got the radio to work with a non-Chinese flash? or have you found a way to unlock the Chinese OS so we can get apps from Google Play store?
TIA Banjo
banjo67xxx said:
Hi Pitzmans, how did you solve it?
Have you got the radio to work with a non-Chinese flash? or have you found a way to unlock the Chinese OS so we can get apps from Google Play store?
TIA Banjo
Click to expand...
Click to collapse
its all in the first post, i updated it
Pitzmans said:
its all in the first post, i updated it
Click to expand...
Click to collapse
does this method get google play services to work? are there any issues?
boy1991 said:
does this method get google play services to work? are there any issues?
Click to expand...
Click to collapse
well yes, you can read the issue i had in the quote on the first post.
when i flashed to other roms Google services worked (search, gmail, play store and i guess the rest too but i don't use them) but the sim did not.
so this method flashes a stock rom and installs the radios drivers basically.
Help needed !
Pitzmans said:
well yes, you can read the issue i had in the quote on the first post.
when i flashed to other roms Google services worked (search, gmail, play store and i guess the rest too but i don't use them) but the sim did not.
so this method flashes a stock rom and installs the radios drivers basically.
Click to expand...
Click to collapse
Hi, I have the same problem as you. I follow your instructions to flash but it says "drivers need to be installed". See attached picture. I am using windows 8.1.
derrickhjk said:
Hi, I have the same problem as you. I follow your instructions to flash but it says "drivers need to be installed". See attached picture. I am using windows 8.1.
Click to expand...
Click to collapse
you need to install drivers for your device :
http://forum.xda-developers.com/showthread.php?t=2635830
install the fastboot and flashtool drivers along with the z2 drivers
i will post the original l50u radio drivers tommorow or later today so if you got the l50u model you should wait.
Pitzmans said:
you need to install drivers for your device :
http://forum.xda-developers.com/showthread.php?t=2635830
install the fastboot and flashtool drivers along with the z2 drivers
i will post the original l50u radio drivers tommorow or later today so if you got the l50u model you should wait.
Click to expand...
Click to collapse
Hi. I manage to install and flash successfully. But now I have another problem. My phone now is unable to have any signals. I am using China UniCom SIM card. I guess I need the L50U radio drivers files. And also instructions on how to flash the radio drivers files. Thanks.
derrickhjk said:
Hi. I manage to install and flash successfully. But now I have another problem. My phone now is unable to have any signals. I am using China UniCom SIM card. I guess I need the L50U radio drivers files. And also instructions on how to flash the radio drivers files. Thanks.
Click to expand...
Click to collapse
this is quite unrelated, it seem like this is a windows 8 issue, try this solution :
http://forum.xda-developers.com/showpost.php?p=35386496&postcount=21
First post updated, added L50u drivers.
Pitzmans said:
this is quite unrelated, it seem like this is a windows 8 issue, try this solution :
http://forum.xda-developers.com/showpost.php?p=35386496&postcount=21
First post updated, added L50u drivers.
Click to expand...
Click to collapse
Hi, The phone works OK.... now able to access to play store, gmail, facebook, youtube, etc.....working perfectly except that it does not have any radio signals except WiFi..... must I install the L50U radio drivers ??? Please provide instructions on how to flash the L50U radio drivers..... Thanks....
derrickhjk said:
Hi, The phone works OK.... now able to access to play store, gmail, facebook, youtube, etc.....working perfectly except that it does not have any radio signals except WiFi..... must I install the L50U radio drivers ??? Please provide instructions on how to flash the L50U radio drivers..... Thanks....
Click to expand...
Click to collapse
check the first post of the thread

SIM not working?

Anyone have the issue where the SIM card isn't recognized? I'm on the RR newest ROM and the card isn't being recognized...I'm about to try the stock ROM and see how that goes.
Similar problem
I`m in a similar position I think. However, my phone recognizes the SIM but when checking the SIM-status the mobile radio seems to be off. I canĀ“t change preferred network type, it just jumps back to "TD-SCDMA/GSM/WCDMA/LTE , I get no results when searching for mobile networks and when I use the *#*#4636#*#* - menu the "Turn on radio"-option wont respond. I`m on latest stock firmware and the phone is still displaying IMEI-numbers. I bought my unlocked European version of Oneplus X yesterday on an auction site, the seller has good reputation and he claims that it worked fine for him. I got a new SIM-card today thinking that would have solved the problem, no luck there however. I also did a hard reset and downgraded to an earlier version of a stock firmware and the error is still there. I noticed I had TWRP v.2.8.7.0 blu_spark r5 preinstalled when I bought it, its a custom kernel right? Could something related to the kernel be the root of the problem or the baseband? Any suggestions on what to do next?

Only 2G on SIM1 now

For the last two or three days, my RN3 has only been connecting to 2G networks. I understand there can be issues with this in SIM2 slot (which I experienced last week), whereas SIM1 should work fine.
Anyway, after moving the sim card from SIM2 to SIM1 last week, I enjoyed 3G networks for a few days, but now it's been on 2G only. I've tried several reboots in the meantime, and the phone was off and on as well, nothing helped. Is there any known way to resolve this? I'm running latest stable CM13 (and the only other issue since day one has been no front cam).
Did you tried a factory reset?First make a back-up,because this procedure will delete all data and apps from your internal partition.
Have checked your sim card in other phone to see if it does persist connection issue?How is signal metter in your area?
For the last two or three days, my RN3 has only been connecting to 2G networks. I understand there can be issues with this in SIM2 slot (which I experienced last week), whereas SIM1 should work fine.
Anyway, after moving the sim card from SIM2 to SIM1 last week, I enjoyed 3G networks for a few days, but now it's been on 2G only. I've tried several reboots in the meantime, and the phone was off and on as well, nothing helped. Is there any known way to resolve this? I'm running latest stable CM13 (and the only other issue since day one has been no front cam).[/QUOTE]
For me, what worked was not flashing the recommended CM13 firmware. From MIUI, just flash the recovery, then CM, Gapps, done.
I get 3G now, fingerprint etc all work fine. This isn't supported by the devs but it works for me, so...
For the record, I was on the MIUI 8 Global Dev ROM when I flashed this.
@Luiggi79 - No, but I'm about to do it (and also try some other things) this weekend if I have time.
@NSDCars5 - Did you unlock "officially"? I have the "permit" to do it now, but I have to put everything back to "factory" state first (just not sure at this moment if the global ROM, which was there when I bought it, now supports official bootloader unlock or not - I believe it used to only work on Chinese MIUI ROM).
@Luiggi79 - No, but I'm about to do it (and also try some other things) this weekend if I have time.
@NSDCars5 - Did you unlock "officially"? I have the "permit" to do it now, but I have to put everything back to "factory" state first (just not sure at this moment if the global ROM, which was there when I bought it, now supports official bootloader unlock or not - I believe it used to only work on Chinese MIUI ROM).
I haven't unlocked my device bis yet because i don't need it.I saw somewhere on MIUI website that the unlocking process have nothing to do with the ROM version:global,china or developer.
Which ROM do you have installed on the device?If you have custom ROM and custom recovery image do a search for guides,to revert all "things"to factory state.Be careful if you are on custom rom,because you need to do some procedures before MIUI original ROM install;otherwise you will get a bricked device.Search and read before any action
galadroid said:
@Luiggi79 - No, but I'm about to do it (and also try some other things) this weekend if I have time.
@NSDCars5 - Did you unlock "officially"? I have the "permit" to do it now, but I have to put everything back to "factory" state first (just not sure at this moment if the global ROM, which was there when I bought it, now supports official bootloader unlock or not - I believe it used to only work on Chinese MIUI ROM).
Click to expand...
Click to collapse
galadroid said:
@Luiggi79 - No, but I'm about to do it (and also try some other things) this weekend if I have time.
@NSDCars5 - Did you unlock "officially"? I have the "permit" to do it now, but I have to put everything back to "factory" state first (just not sure at this moment if the global ROM, which was there when I bought it, now supports official bootloader unlock or not - I believe it used to only work on Chinese MIUI ROM).
Click to expand...
Click to collapse
Yep, I unlocked officially. Unlock definitely works on Global ROMs too, I unlocked mine on Global Developer.
Well, after wiping it and flashing Santhosh CM and official CM13 - 3G worked on both. (Also, front cam works in Santhosh CM, but not in the official CM13.)
It would be great to know what the reason for 2G was... the manual network scan then only displayed 2G and 4G networks from all available operators, but no 3G anywhere. I hope Privacy Guard or AfWall weren't interfering there.

Investigating repair of Emergency Only issue on Galaxy S6 Edge

Hi all!
I bought an S6 Edge second hand and after flashing a stock ROM, I had the "emergency only" calls issue, I tried everything I could find in the forums to no avail and I ended up taking it to a repair service. I did not think they could fix it but they did and I would like to know what they did to it in order to prevent it from happening again and to know if I can leave it as default (not custom OS) so that it can upgrade.
State of phone when bought:
So, the phone was working well with all carriers (from Colombia). The only thing I was able to notice after I bought it was that it was still on Marshmallow (6.0.1) with carrier branded stuff. It was in perfect shape otherwise.
So I downloaded a stock ROM and installed it using Odin. After this the phone would not let me make calls as it was not registering on the network. It did not even let me make emergency calls despite getting full bars of signal and being able to recognise the list of carriers when attempting to manually connect to them.
Important: The ROM downloaded was for the right version of the phone which was the G925i and the IMEI, serial number and baseband were not altered from the original. Also, I checked the phone to see if it was reported as lost/stolen and it was not (of this I'm sure because in Colombia you can consult a centralised database on any carrier's webpage). Also.. Here in Colombia it is illegal for carriers to lock phones.
Steps I took to fix it:
Downloaded ROMs for all carriers, branded and unbranded, I even installed one from Trinidad and Tobago and a LATAM one.
I performed all the tricks to disable and enable flight mode, location services, try con connect manually to the networks, changing to GSM only, GMS/CDMA, international roaming, etc.
I also extracted modem.bin from an earlier version and flashed the modem.bin with Odin (6.0.1 moden on 7.0, 5.1.1 moden on 6.0.1 and 5.1.1 moden on 7.0). All modems flashed correctly and the issue remained exactly the same.
So I finally gave up.. I installed the latest stock ROM which was an unbranded Nougat (7.0) version and took it to a repair service and they fixed it in a couple hours.
What I noticed after the phone was "repaired":
- The phone was rooted, SuperSu was installed, no other root app was installed.
- On SuperSu, there are entries for ADB shell (they all say Superuser command contents have not been logged for this entry) in a two minute timespan.
- The android version was downgraded to 6.0.1, I was told not to try to update it.
- Developer options was enabled with USB debugging turned on.
- The boot option (the one where you can wipe data and cache partition) was left as original (not the TWRP one).
- The ROM used to downgrade was the same I had before but only downgraded the version.
I suspect this same procedure was performed before on the phone but it had the original ROM carrier branded so it seems as if they installed a custom ROM, rooted it, connected with pc and performed some command line stuff to fix it, then cleaned the bootloader to a stock one.
The questions:
Any ideas what did the repairman do to fix the phone? Also, would it be safe to make a full backup with TWRP and flash again a stock ROM upgraded to 7.0 and then flash the backed up modem to get it working? Or would that possibly screw up the repair?
Thank you all in advance for any help. I'm sure there are lots of people out there experiencing the same "emergency only" issue I had but there does not seem to be a fix around, but clearly there is one! So I hope this sheds some light into what could possibly happen.

VoLTE and Wifi calling using root, for Three UK. Will it work, what might I lose?

I want to try and enable VoLTE and wifi calling on Three uk on a J8110 as the signal is marginal in the two locations I'd like to use the phone from and coming from a samsung S7, I can see that the phones a few db's down on signal to start off with, so I really need the VoLTE or wifi to make the phone useful to me.
Now under this thread:
https://forum.xda-developers.com/xperia-1/help/google-dialer-volte-t3975441
They say they managed to get VoLTE going using root.
1. Root
2. File Manager with root support
3. Go to /oem/modem-config
4. Delete "anysim" folder
5. Rename "S9033.1" to "anysim"
6. Go here " https://forum.xda-developers.com/showpost.php?p=80231731&postcount=395" and download "VoEnabler.zip" From the Google Drive link
7. Put "VoEnabler.zip" onto your device and install via Magisk and reboot.
8. You should now be able to use VoLTE and VoWiFi.
Click to expand...
Click to collapse
So my three questions are;
Is this likely to work? e.g allow VoLTE and maybe wifi calling
Will it break safetynet by rooting the phone? (as I use internet banking)
Will it break anything else like DRM keys.
I see there appears to be multiple rooting options for Android these days if I can do the above is there a particular rooting method thats more likely to preserve the safetynet compatibility?
And maybe the DRM keys.
As I'm only interested in Enabling VoLTE and maybe wifi calling.
As an aside to that I see in this thread, https://forum.xda-developers.com/xperia-1/help/enable-volte-ee-uk-t3958112/page3
That some people on EE have got VoLTE working without anything special is this just because EE is just a network sl*t and just allow anyone on there system?
Best Regards
Dave Webster
webstaff said:
I want to try and enable VoLTE and wifi calling on Three uk on a J8110 as the signal is marginal in the two locations I'd like to use the phone from and coming from a samsung S7, I can see that the phones a few db's down on signal to start off with, so I really need the VoLTE or wifi to make the phone useful to me.
Now under this thread:
https://forum.xda-developers.com/xperia-1/help/google-dialer-volte-t3975441
They say they managed to get VoLTE going using root.
So my three questions are;
Is this likely to work? e.g allow VoLTE and maybe wifi calling
Will it break safetynet by rooting the phone? (as I use internet banking)
Will it break anything else like DRM keys.
I see there appears to be multiple rooting options for Android these days if I can do the above is there a particular rooting method thats more likely to preserve the safetynet compatibility?
And maybe the DRM keys.
As I'm only interested in Enabling VoLTE and maybe wifi calling.
As an aside to that I see in this thread, https://forum.xda-developers.com/xperia-1/help/enable-volte-ee-uk-t3958112/page3
That some people on EE have got VoLTE working without anything special is this just because EE is just a network sl*t and just allow anyone on there system?
Best Regards
Dave Webster
Click to expand...
Click to collapse
If you're on the Customized UK firmware, VoLTE should work by default.
I have the Customized UK firmware downloaded and I just checked, and it does include the required MBN file for VoLTE on H3G in UK. I am on the Dual SIM J9110 however, but I reckon it should be the same on the single SIM J8110 as well.
Yes, rooting will break SafetyNet on the Xperia 1. Magisk Hide works on some banking apps, but some of still fail to work once the bootloader is unlocked.
You will lose DRM keys, but from what I've heard, they are restored if you re-lock the bootloader.
MeltdownSpectre said:
If you're on the Customized UK firmware, VoLTE should work by default.
I have the Customized UK firmware downloaded and I just checked, and it does include the required MBN file for VoLTE on H3G in UK. I am on the Dual SIM J9110 however, but I reckon it should be the same on the single SIM J8110 as well.
Yes, rooting will break SafetyNet on the Xperia 1. Magisk Hide works on some banking apps, but some of still fail to work once the bootloader is unlocked.
You will lose DRM keys, but from what I've heard, they are restored if you re-lock the bootloader.
Click to expand...
Click to collapse
Yeah can confirm its not working on three uk, as other have already said in other threads..
*#*#4636#*#* > Phone info > VoLTE provisioned is grayed out.
Also cannot access three on the 800mhz LTE band 20
TBH three when I spoke to them just wiped there hands of the issue and said we don't sell the phone so speak to sony.
So much for industry standards.
webstaff said:
Yeah can confirm its not working on three uk, as other have already said in other threads..
*#*#4636#*#* > Phone info > VoLTE provisioned is grayed out.
Also cannot access three on the 800mhz LTE band 20
TBH three when I spoke to them just wiped there hands of the issue and said we don't sell the phone so speak to sony.
So much for industry standards.
Click to expand...
Click to collapse
You could try the method that enables the VoLTE toggle. In theory it should work with just that because the required files for IMS registration to work are already included in the modem for the Xperia 1.
why not just flashing another FW before losing DRM keys while rooting
we had a user he used a non European Market Xperia 1
no option for voLTE or Wificalling
after flashing the European FW everything was working just fine for him without any kind of rooting
I have flashed South East Asian (SEA) on mine and it has option for the VoLTE in the Network & internet > Mobile Network
It has Enable VoLTE and it can be toggled on and off. (although we don't have the VoLTE here )
If they are already providing VoLTE. Flash SEA firmware.

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