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CM13 latest update my phone lost mobile signal/data no turn back Need HELP!

In Sultan CM13 my phone lost signal the moment I enter Roaming, I tried toggling Aeroplane, Changing phone from 2g network to 3g & LTE, also tried to select network operator manually but nothing worked, Any suggestion would be great.
-I tried the *#*#4636#*#* to flip the gsm/lte, tried reboots, etc to no success
-I have IMEI.
-Tried configure no APN no sucess!
-Tried 100% stock via adb Kit Kat updating via ota to the lates COS 13 and still no Connection
-My SIM is detected bus has no Mobile conection ( NO SERVICE )
-Tried flash roms and diferent firmware with TWRP 2.8.6 still no Success
-Emergency call only- when I dial the emergency nunber it keeps dialing endless time and no connection is made no ring !! (Strange!!!!)
A Phone with out mobile network is not a proper phone anymore is garbish
Is there any hope to find a fix for my One :crying:

Try clean flash
rikkk88 said:
In Sultan CM13 my phone lost signal the moment I enter Roaming, I tried toggling Aeroplane, Changing phone from 2g network to 3g & LTE, also tried to select network operator manually but nothing worked, Any suggestion would be great.
-I tried the *#*#4636#*#* to flip the gsm/lte, tried reboots, etc to no success
-I have IMEI.
-Tried configure no APN no sucess!
-Tried 100% stock via adb Kit Kat updating via ota to the lates COS 13 and still no Connection
-My SIM is detected bus has no Mobile conection ( NO SERVICE )
-Tried flash roms and diferent firmware with TWRP 2.8.6 still no Success
-Emergency call only- when I dial the emergency nunber it keeps dialing endless time and no connection is made no ring !! (Strange!!!!)
A Phone with out mobile network is not a proper phone anymore is garbish
Is there any hope to find a fix for my One :crying:
Click to expand...
Click to collapse
Did you tried clean flash COS12.1 or Color OS.
This usually happens due to incompatible Modem with the firmware, bootloader combination.
I also experienced similar issue sometime back using Sultan's build, which is my primary OS right now.
check this post out and the thread.
http://forum.xda-developers.com/showpost.php?p=64764275&postcount=5
Hope this helps!

Rajneeshgadge17 said:
Did you tried clean flash COS12.1 or Color OS.
This usually happens due to incompatible Modem with the firmware, bootloader combination.
I also experienced similar issue sometime back using Sultan's build, which is my primary OS right now.
check this post out and the thread.
http://forum.xda-developers.com/showpost.php?p=64764275&postcount=5
Hope this helps!
Click to expand...
Click to collapse
Well I did the full stock rom to cos 11 updating it until the final incremental cos 13 but no success , never tried color Os I will look! any Rom in specific ?!

Try flashing latest CyanogenOS using fastboot:
https://cyngn.com/support
And if needed modems separately.
All the best!!

I had the same issue a few months ago with CM13 builds. My TWRP recovery was the problem. Try updaing it to the newest version.
dl.twrp.me/bacon/

i had a similar problem after OTA update to CM13.1. So upset I just waited a few days to calm down then went on here and found how someone said sim issues sometimes just need a new sim card. so i went down to my carrier metropcs and they put in a sim adapter for one thing my sim was nano and needed to be made to fit opo micro slot. then they did a refresh and it was good as if it never happened. cost me 15 bucks but worth it compared to what i thought i was up against.

Problem after HEROLTE TWRP and THE GALAXY PROJECT ROM

I am facing a problem. I was experimenting with THE GALAXY PROJECT rom. I turned on developer options and removed oem unlock.I installed twrp for hero lte and did format partition instead of wipe and installed the galaxy project rom. It worked fine but then I revereted to my stock firmware with ODIN. I noticed that I am not able to call any one. I thought i had installed England Firmware on Indian firmware as I faced that problem, so I downloaded the indian firmware again but again it was working on england firmware. I can say this because it was using upday instead of samsung briefing. I thought its a wrong rom again and to atleast make calls installed herolte rom. Same problem. Call ends immediately. My sim works fine in another phone. Any other sim stops calling in my phone.
Can any one suggest a solution of what might have happened.
I just booted into recovery and it mentions there herolte recovery.
Any solution.
Post Note - Rom were fine. Only calling and sending sms is not working. I can receive a text and can use internet over LTE. System cannot read sim phone number in hardware diagnostic. I cannot open aditional setting in phone as it says that error reading sim card.

rajputz said:
I am facing a problem. I was experimenting with THE GALAXY PROJECT rom. I turned on developer options and removed oem unlock.I installed twrp for hero lte and did format partition instead of wipe and installed the galaxy project rom. It worked fine but then I revereted to my stock firmware with ODIN. I noticed that I am not able to call any one. I thought i had installed England Firmware on Indian firmware as I faced that problem, so I downloaded the indian firmware again but again it was working on england firmware. I can say this because it was using upday instead of samsung briefing. I thought its a wrong rom again and to atleast make calls installed herolte rom. Same problem. Call ends immediately. My sim works fine in another phone. Any other sim stops calling in my phone.
Can any one suggest a solution of what might have happened.
I just booted into recovery and it mentions there herolte recovery.
Any solution.
Post Note - Rom were fine. Only calling and sending sms is not working. I can receive a text and can use internet over LTE. System cannot read sim phone number in hardware diagnostic. I cannot open aditional setting in phone as it says that error reading sim card.
Click to expand...
Click to collapse
Reinstall original England rom using Odin. And then install twrp and again install TGP or any other OREO rom you like.
Don't forget to format data after installing tgp for the first time.
Also boot up and reboot once after clean flashing with Odin.
Then flash twrp.
P.S try flashing csc selection by tkkg it may help.
Also which rom are you using nougat or oreo?

I have used Oreo as well as nougat. Problem persists.
Only my current operator aim are not working and rest of the sim are working fine. Service center haa asked me to get motherboard changed.
I was installing indian rom. Now even samsung knox related apps are not working.
So basically you want me to install tgp again and twrp after that and again went back to stock after that.
Do you have any idea why this problem could have been causes. Can rooting mess with physical hardware of phone?

njaya95 said:
Reinstall original England rom using Odin. And then install twrp and again install TGP or any other OREO rom you like.
Don't forget to format data after installing tgp for the first time.
Also boot up and reboot once after clean flashing with Odin.
Then flash twrp.
P.S try flashing csc selection by tkkg it may help.
Also which rom are you using nougat or oreo?
Click to expand...
Click to collapse
I want to go back to stock without twrp and my current network working. Its an indian version phone.

rajputz said:
I want to go back to stock without twrp and my current network working. Its an indian version phone.
Click to expand...
Click to collapse
Okay then phone and SMS probably won't work, cause I guess the Indian version is still a nougat but the England one in oreo both your modem and firmware would have been updated and it's not possible to go back, so I suggest you stay with TGP for a while until official oreo arrives in India.
Or else don't use phone or messaging ?

[GUIDE] Activate VoWiFi / WLAN Call

First of all a BIG thanks to ed-gonzo
He made this possible
This is the instruction to activate VoWiFi / WLAN Call on the Poco F1
Its tested and verfied to work with EU ROM (Oreo , Pie and Q based) and german provider o2 (Telefonica)
Before you read on i want to make clear that I am not responsible for bricked devices !
Basic requirements are root rights to do this mod
Maybe latest 2020 Qualcomm Diag QD-Loader Windows 10 Drivers signed are needed for this to work.
!!! Before doing this Mod you should backup EFS-partition !!!
- download QPST tool and install
- enable USB debugging in Developer settings
- now either go to terminal app and type:
Code:
su
setprop sys.usb.config diag,serial_cdev,rmnet,adb
or
adb from PC
Code:
adb shell
su
setprop sys.usb.config diag,serial_cdev,rmnet,adb
- connect Poco F1 with original USB cable to PC
- start PDC (from QPST tool) on PC
- Poco F1 should be recognized by PDC (if not install Qualcomm driver and check Device Manager)
- activate corresponding profile (in case of german o2 its DT_Greece)
- install VoLTE & VoWiFi Enabler Magisk module (optional) or activate setting with dialer code *#*#869434#*#*
- restart Poco F1
- Voila

FAQ:
Q: What are the requirements for VoWiFi
A: A provider resp. plan which includes VoWiFi
Q: How to know if VoWiFi is working ?
A: Put phone in airplane mode and reactivate WiFi only. If you are able to make a call then VoWiFi is working.
Q: Does this only work with MIUI ROM ?
A: No ... its reported to work also on Custom ROMs like LOS, crDroid ...

Thx for this guide! Have been waiting for this.
Does this work with custom ROM (LOS)?
in case of german o2 its DT_Greece? are you sure? german carrier and greece?

saski4711 said:
Does this work with custom ROM (LOS)?
Click to expand...
Click to collapse
in german forum there is a user who has it running.... but it seems that LOS has no icon for VoWiFi
But nlow ...
saski4711 said:
in case of german o2 its DT_Greece? are you sure? german carrier and greece?
Click to expand...
Click to collapse
yes indeed DT-Greece for german o2
I have it up and running ...

der_Kief said:
in german forum there is a user who has it running.... but it seems that LOS has no icon for VoWiFi
But nlow ...
yes indeed DT-Greece for german o2
I have it up and running ...
Click to expand...
Click to collapse
Ok thx will give it a shot as soon as I get access to a windoze PC :highfive:

Ok this definately didn't work on my Poco-f1 with latest LOS16 and 8.11.15 vendor/fw. Funny thing that VoLTE now seems to be gone (Device switches back to H+/E). Got it back by restoring efs. Has anyone else been successful with this running custom ROMs? Even without this "hack" I have been able to activate VoWIFI after 8.11.5 update but it didn't work so I guess this depends on FW version.
Two things - a little offtopic though: Any Idea if this can be tried on the MiA1? I suspect that xiaomi doesn't include support in it's firmware for this device at all and I 'm afraid to cripple both my devices (Poco and MiA1) at the end .
Has anyone had success getting HDVoice with BT headsets on the Poco-f1 with custom ROMs? Sorry for asking this here but in the LOS thread I seem to get ignored with this question / bug report.

@saski4711
to bad that its not working for you.
It defintively works with EU ROMs based on Oreo or Pie.

Double post
*deleted*

der_Kief said:
@saski4711
to bad that its not working for you.
It defintively works with EU ROMs based on Oreo or Pie.
Click to expand...
Click to collapse
Yeah bummer. Will give it another shot the next days maybe I messed up somewhere. Isn't this device supposed to get VoWIFI by default with the Pie update anyway? Maybe this will work OOTB with final pie?

not works with EU pie rom to me too. from Sri Lanka we have VOWIFI network. tried switching many profiles but not works .

saski4711 said:
Isn't this device supposed to get VoWIFI by default with the Pie update anyway?
Click to expand...
Click to collapse
Dont know ... i'm on Stable EU ROM 10.0.6.0 (based on Oreo)

I know for sure it worked out of the box after pie update on stock beta with a service provider in Greece.
Can make settings appear with *#"#vowifi#*#* but being in India don't think providers support vowifi so doesn't work.

sanjay0501 said:
I know for sure it worked out of the box after pie update on stock beta with a service provider in Greece.
Can make settings appear with *#"#vowifi#*#* but being in India don't think providers support vowifi so doesn't work.
Click to expand...
Click to collapse
How can you be sure then?
Enabling the VoWiFi option doesnt mean its working !

der_Kief said:
How can you be sure then?
Enabling the VoWiFi option doesnt mean its working !
Click to expand...
Click to collapse
2 diff statement.
Can enable with code but doesn't work in india.
It worked for a friend in Greece without doing anything immediately after pie update.
What I was suggesting that maybe and just maybe if provider supports it ,vowifi can be enabled simply by code.

It is working perfect. I did some test calls on wifi. Thumb up..... BTW I'm on German Telekom D1

SatBandit said:
It is working perfect. I did some test calls on wifi. Thumb up..... BTW I'm on German Telekom D1
Click to expand...
Click to collapse
could you please tell us which ROM you are using and which profile you activated within PDC ?

I'm using 8.11.27 global beta and I modified the DT_greece section. Set sub0 and sub1 to active.
Opened dialer and dialed *#*#vowifi#*#*

ok this works, just needed a bit more work for WoWiFi in my case
after a reboot it kept returning to my default carrier config (VoLTE working just fine anyway)
so what I did was to remove my carrier config from within PDC Tool, just that by doing that it defaulted to a non-VoLTE config
well, removed that also and this time it kept DT_Greece config on both subs
VoLTE works and VoWiFi also (carrier Orange Romania)
ps. don't restart phone if you want to test new configs
just click on activate and enter airplane mode then exit (keeps testing faster)

I've gotten as far as I can with my Mi Mix 2S, works on both AOSP and MIUI to allow the radios to be enabled, and the settings to appear in MIUI (AOSP usually shows them anyway).
With this said, I tried only enabling the WiFi option on the carrier that already had the sim activated...
I see many people here on different carriers in the EU who enabled the DT_Greece options and voila. Is this an accurate conclusion? I'm wondering if I just need an answer from a carrier other than my own to acknowledge the WiFi option exists to turn it on? Being in the US it seems as if the DT_Greece config could cause some problems, but it's not an option in my list. I don't know at this point.
Edit:
Tried all the US bands and even a few others, specifically ones that said WiFi. None worked so far, I'm going to cry! :crying::crying::crying:

I tried this on a Redmi Note 5 Pro but after selecting the device in PDC it throws an error message and doesn't show the list of carriers.
I've tried QPST 2.7.420 and 2.7.474 and a couple different pie roms, windows 7 and 10 but it always fails.
I can use EFS Explorer and dump the NV data just fine though...

Global Rom won't detect any sim card problem

Hello my friends
Just flashed latest Global mi 10 pro rom
Is is extremely fast and smooth
Battery is amazing
When first boot
One sim detect with no problem but after replacing sim slots to use my main sim
The phone won't detect any sim at all
Even after factory reset no luck to detect any sim
How can i fix this problem?
Tried to search manually for s service but won't work too

Global doesn't support dual sim or are you testing with single sim?

raven213 said:
Global doesn't support dual sim or are you testing with single sim?
Click to expand...
Click to collapse
Global not supporting dual sim unfortunately
Was testing with dual sim
The main one was working fine
But after replacing sims not working anymore
Even after factory reset rom can't detect any sim at all i had to go back to chines eu beta rom

But global is way smoother and faster than Chinese roms
Battery way great too

rowihel2012 said:
But global is way smoother and faster than Chinese roms
Battery way great too
Click to expand...
Click to collapse
I feel ch rom is smoother and faster lol

Reboot your phone. Press and hold the Power button and Volume Up button for at least 10 seconds.
Check the SIM card. Turn off your phone and take out the SIM tray. ...
Clean SIM slot. ...
Try another SIM card (if you have one). ...
Turn on the Airplane Mode.

Hello,i have got same problem.when i install global rom,any sim not working.when i install eu rom it is working. And yes global rom is so smooth and fast

same problem
Hi, did you solve your problem ?
I just flasshed the miui 12 global rom and have EXACTLY the same problem as you, IDK what to do now

Unfortunately no
Now I'm using miuimix latest beta rom v20.10.22
But global way way smoother and faster

medo_maged said:
Hi, did you solve your problem ?
I just flasshed the miui 12 global rom and have EXACTLY the same problem as you, IDK what to do now
Click to expand...
Click to collapse
No
Unfortunately

"4G Only" Mode not detecting network with EU rom 11.0.15

hello guyz... how are you all? i am facing a problem. i flashed EU 11.0.15 rom today and suddenly i am noticing that if i select my network type "4G Only" , the network is not detecting signals i can not check account balance.. i think only 11.0.15 EU rom have this problem. if i flash another latest EU rom, the "4G only" mode is full ok... as miui 12 is not perfect yet, so i love this miui 11 EU rom. and sure want to use it as daily driver.. but, how can i fix that 4G band problem? i flashed latest firmware and then flashed this EU rom, but, same problem ! anyone please help me fix this issue ! thanks in advance....