Custom rom Bug Cellular data/Mobile Data :( - Android Q&A, Help & Troubleshooting

Cellular data Bug! in Custom Rom mt65xx/mt6592
Bug:
image link--> https://ibb.co/co0PBx
image link--> https://ibb.co/bzgBPH
To porting custom rom which files to be replaced to fix cellular data bug?
Advance Thanks!

Related

NVRAM and IMEI error

Every time I install Stock ROM using (YGDP tool) or any custom ROM using TWRP/Philz Recovery after a first reboot, I face problem with WIFI and GSM Network connections due to NVRAM and IMEI issue. Stock ROM has MTK Engineering, using which I can fix IMEI issue but all custom ROM do not have engineering mode. Can anyone please help with this issue? Any help is very much appreciated.
Note: I know there is a patch "Nitro Baseband and IMEI Patch.zip" from Pinto Thakur is available but unfortunately does not work all the time.
try imei changer app from google play....i didn't tested but...i think u can test
Same issue I am facing...
http://www.modaco.com/forums/topic/376576-nitro-baseband-imei-patch-for-mmx-a310a311/

voLTE not working on any rom

At first I thought I did some mistake in flashing but now I tried every custom ROM which supports voLTE (cm14.1 by santosh and abhishek,aosp LP & AOSP MM,CM13 snapshot) but I am not getting voLTE in any of the roms
voLTE is working fine on all miui ROMs
I tried changing APN to ims but whenever I save APN it disappears from APN list
same problem here
rajatchawla66 said:
At first I thought I did some mistake in flashing but now I tried every custom ROM which supports voLTE (cm14.1 by santosh and abhishek,aosp LP & AOSP MM,CM13 snapshot) but I am not getting voLTE in any of the roms
voLTE is working fine on all miui ROMs
I tried changing APN to ims but whenever I save APN it disappears from APN list
Click to expand...
Click to collapse
i too had same problem...tried many custom roms which support VoLTE but it is not working
volte only works on miui rom...did you got any solution??????
Did you flash the firmware file required before flashing abhishek987's CM14.1 ? Because that contains the modem files for VoLTE
First you flash aosp extended ROM as per their flashing guide you definitely get volte working. Then you enter twrp recovery ( I prefer zcx) , and factory reset and wipe only dalwik/ cache,data,cache DON'T WIPE SYSTEM , and flash any ROM finally volte v2 zip and reboot . you must get volte working in any nougat ROM.

What is the real problem behind not working volte on any custom based cm13 roms

Hello developer s
What was the real problem behind any custom ROM that having no VOLTE option.
In future is there any working solution.
Some one is trying to fix.
What are the obstacles coming in the process of fixing this issue.
How cm14 n so are supporting VOLTE without MIUI nougat base.
Why don't we take MIUI marsallow VOLTE to merge in cm13.
Kindly provide some useful info.
Coz I hate MIUI ROM it's a really laggy and buggy.
UI is very boring.
That's why I am using cm 13 base aicp without working VOLTE.
THANKS
Sorry for my bad English.
orphansmith said:
Hello developer s
What was the real problem behind any custom ROM that having no VOLTE option.
In future is there any working solution.
Some one is trying to fix.
What are the obstacles coming in the process of fixing this issue.
How cm14 n so are supporting VOLTE without MIUI nougat base.
Why don't we take MIUI marsallow VOLTE to merge in cm13.
Kindly provide some useful info.
Coz I hate MIUI ROM it's a really laggy and buggy.
UI is very boring.
That's why I am using cm 13 base aicp without working VOLTE.
THANKS
Sorry for my bad English.
Click to expand...
Click to collapse
This is a sureshot way of getting VoLTE in any Custom ROM.
Try this. It worked for me.
1) Wipe Dalvik Cache, Cache, System, Data. (Not Internal Storage) Flash MIUI Global Beta 6.11.3. Here is the link, http://bigota.d.miui.com/6.11.3/miui_HMNote3ProGlobal_6.11.3_233ef61784_6.0.zip
2) Flash Lazy Flasher to edit the boot.img to prevent bootloops and to disable encryption and dm-verity. Here is the link, https://drive.google.com/file/d/0ByWEieei-0nyMTR4R0dxWk9BTms/view
3) Boot to MIUI. VoLTE will work here. Go to Recovery and backip the EFS Partition.
4) Wipe Dalvik Cache, Cache, System, Data. (Not Internal Storage) Now, flash CM 14 Firmware, then RR v5.8.0-20161201 and then GApps. https://www.androidfilehost.com/?fid=385035244224398629
https://www.androidfilehost.com/?fid=385035244224402818
http://opengapps.org/
5) Boot your phone to the RR ROM. In my case, I got the HD sign without restoring the EFS. If you don't get, restore EFS Partition and you're good to go! 

No Volte on roaming[Custom ROM][VOLTE] [JIO][MIDO]

VoLTE is not appearing || working on custom rom (means can't make call)
Almost in all custom roms has this issue (Except DU latest)
created new APN settings too [which has fixed this issue previously] but now still same issue.
Looking for solution .
thanks :fingers-crossed:
storm_99 said:
VoLTE is not appearing || working on custom rom (means can't make call)
Almost in all custom roms has this issue (Except DU latest)
created new APN settings too [which has fixed this issue previously] but now still same issue.
Looking for solution .
thanks :fingers-crossed:
Click to expand...
Click to collapse
https://forum.xda-developers.com/xi...x-volte-suddenly-stopped-custom-roms-t3684442 found the solution
I'm currently using MiA1 with march security patch and an Airtel Sim card. I am facing the similar issue while roaming. I was trying your fix but I'm facing a problem here. Eachtime i add "ims" APN and hit the save button. It takes me back to APN list screen without adding/saving the "ims" APN and I don't get the VoLTE working either. What could be the issue here.
> I'm in the state where Airtel supports VoLTE.
> Airtel do support MiA1 because i was using VoLTE back at my home, it's an issue with roaming.
> 4G enhanced calling is enabled in SIM settings
Help!!

Move RIL from one rom to another

Hi,
I tried some custom roms on my MEIZU M6 note (snapdragon 625) and I reallly liked the "ViperOS" rom but its LTE 4G network runs very slowly (1 Mbps).
I already tried all the Sim cards settings but nothing works, i think it's because this rom was built from a chinese rom.
is it possible to extract the modem files (Radio interface layer RIL) from another custom rom that gets full-speed 4G (Crdroid rom by ups2k) :
MOD EDIT: Links removed as violative of XDA's Rule 11.
is it possible to extract the "RIL" (baseband configuration) from a custom rom that have full speed LTE network and put it onto another chinese custom rom to speed up the data connexion?
Both roms are Android 7.1.2
Someone who knows ?

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