Database Users

Found the bug in mms

well after talkin to htc and verizon for a few hours , i found out y the mms messeges werent being sent,, its cuz when we ported the sprint roms it changed the MMSC URL
to sprintpcsmms it should be http://mms.vtext.com/servlets/mms"
so its tryin to send them through sprint
the problem is tryin to edit it , but im sure there are people here who can figure it out
we need the url for verizon http://mms.vtext.com/servlets/mms
if u have stock mms apk u can see this in settings /connections
im wondering if we take out the apn from the rom we are porting put ours in its place ,resign the rom , then port if it will work, has anyone tried this ?
sorry just my two cent on this

already tried it, but heres the info on how to change it. i couldnt tell if it actually worked, the only people i waS ABLE TO test with was the same people who i had no issues with mms
Code:
adb shell
cd /data/data/com*telephony/databases
sqlite3 telephony.db
update carriers set
mmsc='http://mms.sprintpcs.com?X-MDN=YOUR11DIGITNUMBER'
<http://mms.vtext.com/serverlets/mms?X-MDN=YOUR11DIGITNUMBER%27> where
name='Production'
*input your phone number example 13303214294 dont
forget the'*
adb reboot

anonomouse said:
already tried it, but heres the info on how to change it. i couldnt tell if it actually worked, the only people i waS ABLE TO test with was the same people who i had no issues with mms
Code:
adb shell
cd /data/data/com*telephony/databases
sqlite3 telephony.db
update carriers set
mmsc='http://mms.sprintpcs.com?X-MDN=YOUR11DIGITNUMBER'
<http://mms.vtext.com/serverlets/mms?X-MDN=YOUR11DIGITNUMBER%27> where
name='Production'
*input your phone number example 13303214294 dont
forget the'*
adb reboot
Click to expand...
Click to collapse
ok my bad i thought they told me something new

nah, its been tried by me a few times, but like i said, feel free to try it. maybe your results will be different

I have tried to send a mms on CyanogenEris and ELB 2.5 Cyanogen, both do not work. I just loaded up ZenEXP-v7 and tried sending one, worked fine. But it has the "HTC" message app not the AOSP one. I think we need to find out what the diffences are.

That connections info is EXACTLY what the APN trick fixes.
It's how I got the first Eris to send a mms msg on Cricket, if you do the apn restore of a verizon ROM, that gets fixed.

pkopalek said:
That connections info is EXACTLY what the APN trick fixes.
It's how I got the first Eris to send a mms msg on Cricket, if you do the apn restore of a verizon ROM, that gets fixed.
Click to expand...
Click to collapse
i know how to patch it ,, i used mmszap , i was lookin for a way to fix it and make it stick in a rom

change the apns-conf.xml under settings/etc

anonomouse said:
change the apns-conf.xml under settings/etc
Click to expand...
Click to collapse
The fix above fixes sprint sense ROMs.
AOSP roms such as ELB need a source code change, not a APN change. Possibly permissions. I suggest we look at koush's work on the Moto Droid's port of CE for clues.

Ok if I am going to try to use MMSZap what do I need to fill in besides the MMSC url

iloveandroid said:
Ok if I am going to try to use MMSZap what do I need to fill in besides the MMSC url
Click to expand...
Click to collapse
thats it only mmsc i did it and it works

well thats what id did then i exited and it said could not save settings

iloveandroid said:
well thats what id did then i exited and it said could not save settings
Click to expand...
Click to collapse
thats weird it worked for me all i did was put in verizons url

iloveandroid said:
well thats what id did then i exited and it said could not save settings
Click to expand...
Click to collapse
go to ur browser, hit menu
choose other scroll to bottom
choose settings
scroll to bottom
choose reset to default
it will clear ur mms setting
u still may need to use apn restore
i just did it and made a back up
now to see if it works on a cooked rom
sorry im just tryin to figure this mms thing out

don't manually upgrade to 2.3.4

there seems to be at least 3 users who can't connect to a network after manually upgrading judging from this thread:
http://forum.xda-developers.com/showthread.php?p=13417499
it may be best to wait for an ota upgrade. (and let's not fill with this thread with "it works for me" please.)
i'm currently owner of a phone that can't phone.

MarkusPO said:
there seems to be at least 3 users who can't connect to a network after manually upgrading judging from this thread:
http://forum.xda-developers.com/showthread.php?p=13417499
it may be best to wait for an ota upgrade. (and let's not fill with this thread with "it works for me" please.)
i'm currently owner of a phone that can't phone.
Click to expand...
Click to collapse
I'll update my ota thread
Sent from my Nexus S

I hope google can quickly send all the ota. There should be some people try every efforts by downgrade then upgrade or going thru any path to get the 2.3.4, may finally mess up the phone ...

it seems impossible to downgrade.
google, you broke my phone.

Do you have the correct build number?

Try flash an older ROM first, then flash a known working radio for your phone. Hope that gets your phone working again.

under the battery, it's a gt-i9020
the ssn is i9020gsmh

Manually flashed my Nexus S and now im having poor reception/disconnects on 3G data. Also my GPS didnt improve. Im not rooted and have stock android.
Did I do something wrong while upgrading to 2.3.4? Can i revert to 2.3.3?

I did the manual update for 2.3.3 and 2.3.4 nothing went wrong

i manually done mine and have no such problem.

let's stop with the "i did it, and i'm ok" posts, which if you read in op, you'll see i wrote the same.

i too unable to connect to network. APN still there but i can't connect to network. But i still able to downgrade to previous version. if unable to, try restore from the latest nandroid backup? i manage to restore to my CM7.0.2. im gonna wait for a bit longer~~~

did any of you try to use your SIM in a other phone? did it work?
did any of you requested support of your carrier ?
and did any one delete their APN's(yes all of them,total reset.factory ect ect)
and tryd to retype the apn settings manually??
DID any one of you guys notice you have to set the IPV4 and IPV6 options in APN Editor????
or did any one RESET your sim?(yes you can,there are codes for that.ask your carrier)
if i want to connect to my carrier's APN i have to fide a bit with the setting and leave things out.
like BEN.NL( T-mo) says APN type needs to be: internet.
if i type internet in the APN type.
my network(3G ect) wont work.
i i leave APN type empty.
all works fine.

ghost010 said:
did any of you try to use your SIM in a other phone? did it work?
did any of you requested support of your carrier ?
and did any one delete their APN's(yes all of them,total reset.factory ect ect)
and tryd to retype the apn settings manually??
DID any one of you guys notice you have to set the IPV4 and IPV6 options in APN Editor????
or did any one RESET your sim?(yes you can,there are codes for that.ask your carrier)
if i want to connect to my carrier's APN i have to fide a bit with the setting and leave things out.
like BEN.NL( T-mo) says APN type needs to be: internet.
if i type internet in the APN type.
my network(3G ect) wont work.
i i leave APN type empty.
all works fine.
Click to expand...
Click to collapse
my phone is working, just the 3G reception is very poor and dropping constantly
- didnt try the SIM at any other phones
- didnt request support yet (carriers in Brazil suck, they dont even know the APN settings)
- tried deleting and adding APN now, not enough time to test it yet
i had IP4 in APN

ghost010 said:
did any of you try to use your SIM in a other phone? did it work?
did any of you requested support of your carrier ?
and did any one delete their APN's(yes all of them,total reset.factory ect ect)
and tryd to retype the apn settings manually??
DID any one of you guys notice you have to set the IPV4 and IPV6 options in APN Editor????
or did any one RESET your sim?(yes you can,there are codes for that.ask your carrier)
if i want to connect to my carrier's APN i have to fide a bit with the setting and leave things out.
like BEN.NL( T-mo) says APN type needs to be: internet.
if i type internet in the APN type.
my network(3G ect) wont work.
i i leave APN type empty.
all works fine.
Click to expand...
Click to collapse
i didn't try other simcard because i only have 1. but i do check my APN setting, and it's all the same as previously. i don't know what went wrong, but i will stick to my cm7.0.2.. until next version of cm support 2.3.4. i can't live without CM goodies

everything fine here on 2.3.4 manual update..
i just need to root now.

MarkusPO said:
under the battery, it's a gt-i9020
the ssn is i9020gsmh
Click to expand...
Click to collapse
not really what i meant.
read the sticky.
http://forum.xda-developers.com/showthread.php?t=1056062
There have only been certain variants of 2.3.4 released. If you flashed the wrong one, could be your problem and anyone else that decided to cowboy the upgrade

I am GRI54 I can't wait no longer 3.4.5. Where is OTA!!
Sent from my Nexus S using XDA Premium App

MarkusPO said:
"it works for me"
Click to expand...
Click to collapse
Could be something else bro because it works for me.

If you had kb3 radio you needed to downgrade to kb1 first
Sent from my Nexus S using XDA App

Epic 4g on Cricket

I am starting this because there is not a lot of support for the Cricket Epics..
So I will start one with all the things I have learned from having to do this all myself.. I am aware there is some major differences when dealing with a flashed phone. So we as Cricket users no what to do. Thanks I hope everyone enjoys.

First post mms.
This is all from n8dogg4life and I take no creidet at all for it!
Just like all the other threads, I am not responsible for what you do with your phone, USE AT YOUR OWN RISK
So after not having MMS for around 7 months, I am now able to send and recieve MMS thanks to some help from jpond83 over at cricketusers.com where he/she uploaded a CWM backup of his setup. Here is the link http://www.cricketusers.com/sprint-s...#axzz1dtgugG00
And his post is #88.
As soon as I restored his backup, I tested MMS and everything worked flawlessly. I on the other hand like the CleanGB rom by toadlife so I extracted some files from jpond83's "Cricket rom" and implemented it into my CleanGB setup and it still works great. So lets get started.
Please note I have tested this on my Epic 4g twice going through these steps exactly and it has work both times, I am using CleanGB rom so experience may differ with other roms/Android versions. Let me know if this works for you.
UPDATE: I have recently found out the Pictures are sent just fine, Sounds on the other hand are causing this fix to break completely even if you redo the steps, you must restore your backup and perform them again.
Prerequisites:
Make a backup within CWM just in case
An Epic 4g with root and your choice of GB EI22
A way to access system files ie. Root Explorer
APN Backup & Restore from the Android Market
Download the attached ZIP onto SDcard (Contains required files)
Step 1) Open APN Backup & Restore and create a backup of your APN setup.
Step 2) Copy cricketapns-20111115203127.xml from the download folder into the ApnBackupRestore folder on your SDcard. APN Backup & Restore should create this folder.
Step 3) Open APN Backup & Restore and restore cricketapns-20111115203127.xml
The following 3 steps were performed in Root Explorer.
Step 4) Next, rename three files by adding ".XXX" without quotes to the end of each file located in this directory.
/data/data/com.android.providers.telephony/databases/
These are the files you are looking for.
cdmatelephony.db
mmssms.db
telephony.db
Step 5) In the downloaded folder, there are 3 files with the same names, copy these files to the same directory since we are replacing them but keeping the old ones just in case.
Step 4) Rename Mms.apk to Mms.apk.XXX located in the following directory.
/system/app/
Step 6) Copy over the Mms.apk from the download into the same directory.
/system/app/
Step 7) Install autostart.apk
Step 8) Reboot your Epic 4g and enjoy (hopefully) sending MMS’s.
I want to thank jpond83 again for his upload and toadlife for the rom. Dont forget to click thanks

Second post Youtube.
I heve had some issues with the Youtube playback over network.
It will work fine over WiFi but not at all over Network, So after lots of frustrating attempts I figured this out..
1 On the phone dial ##3282##
2 Pick "Edit"... It will ask for your msl lock code. Pick "Others" and then "Multimedia"
3 RTSP Proxy Address needs to be 0.0.0.0
4 RTSP Proxy Port needs to be 0
5 HTTPPD Proxy Address needs to be 0.0.0.0
6 HTTPPD Proxy Prot need to be 0
Restart the phone and all is good and working right..
if you are on 2.3.3 (gingerbread)
try 254.254.254.254
0
254.254.254.254
0
you are good to go. or should be

The only things needed to change a rom to cricket is the proper prl
the mms.apk file that i created
phone programmed via QPST
the correct apn settings
the multimedia settings
You can flash any gingerbread rom and use the mms.apk i supplied you just need to make sure the apn settings are correct.
---------- Post added at 05:55 PM ---------- Previous post was at 05:50 PM ----------
Also does anyone know if cricket stopped using a proxy because i get full 3g without messing with proxy settings

i get full 3g and mms
Sent from my SPH-D700 using XDA App

jpond83 said:
does anyone know if cricket stopped using a proxy because i get full 3g without messing with proxy settings
Click to expand...
Click to collapse
There is no proxy needed on the $55 android plan, but as far as I know it is still required for all the other plans

jpond83 said:
The only things needed to change a rom to cricket is the proper prl
the mms.apk file that i created
phone programmed via QPST
the correct apn settings
the multimedia settings
You can flash any gingerbread rom and use the mms.apk i supplied you just need to make sure the apn settings are correct.
---------- Post added at 05:55 PM ---------- Previous post was at 05:50 PM ----------
Also does anyone know if cricket stopped using a proxy because i get full 3g without messing with proxy settings
Click to expand...
Click to collapse
Which PRL are you using? Also does sending audio clips work for you?

n8dogg4life said:
Which PRL are you using? Also does sending audio clips work for you?
Click to expand...
Click to collapse
Sent from my SPH-D700 using XDA App
i will look as soon as i get home. i have not tryed to send audio but can send video

ran into an problem with urban persision (copkids new rom). really nice rom but unable to use ##3282## to edit data setting. i am looking for a fix and will let you no what i find out..
Sent from my SPH-D700 using XDA App

n8dogg4life said:
Which PRL are you using? Also does sending audio clips work for you?
Click to expand...
Click to collapse
I am using PRL 35513

i have been running into some of the roms that wont allow changing of the proxy settings, witch you need to do for youtube to work..
Sent from my SPH-D700 using XDA App

shaunfrazier said:
i have been running into some of the roms that wont allow changing of the proxy settings, witch you need to do for youtube to work..
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse
use anycut to make a shortcut to settings

No Internet connectivity on Android Revolution ROM

Since flashing Android Revolution yesterday I have been unable to connect to the Internet unless I use wifi.
I have a 3gb data allowance and I'm no where near that limit.
There is no G, 3G, or H symbol, just the signal symbol
Sent from my Desire HD using xda premium

Hi,
here some ideas maybe some will help you.
1. Did you check the md5 of the rom?
2. Have you enbled the Mobile data?
3. Did you have set the apn for your provider?
(Menu-Settings-Wireless/Networks-Mobile Data-Accespoints)(Sorry if the names are not 100% right i use German version)
4. Maybe set Network mode on GSM/WCDMA Auto?
5. Maybe some Radio or Kernel Problem?
If nothing helped try posting again in ARHD Thread
Greetings

same problem

Are you using the recommended radio?

This is most likely the problem.
"3. Did you have set the apn for your provider?
(Menu-Settings-Wireless/Networks-Mobile Data-Accespoints)"
Mobile data settings are not stored on "sim" like "sms" settings. You need to manual input them each time you flash. You should find these settings on your providers website on the support page. Once you find them copy/paste/save for future reference. It only takes a few seconds to put them back in.
If you use Titanium Backup these settings are saved in system data backup for future restore, but its recommended only to restore apps+data when flashing a new rom to avoid conflicts.

FurryCup said:
This is most likely the problem.
"3. Did you have set the apn for your provider?
(Menu-Settings-Wireless/Networks-Mobile Data-Accespoints)"
Mobile data settings are not stored on "sim" like "sms" settings. You need to manual input them each time you flash. You should find these settings on your providers website on the support page. Once you find them copy/paste/save for future reference. It only takes a few seconds to put them back in.
If you use Titanium Backup these settings are saved in system data backup for future restore, but its recommended only to restore apps+data when flashing a new rom to avoid conflicts.
Click to expand...
Click to collapse
I agree with FurryCup. APN is responsible for mobile devices to connect to the Internet. To check or set up your APN, you should go to Menu>Settings>Wireless & Networks>Mobile Networks>Access Point Names. You can either add a new APN or edit an existing. Just make sure you have the correct APN settings.

I agree with FurryCup.
Also for future use, you can use APN Backup & Restore / Android Market to save your original APN to your sd card (as an xml file).
Also keep APN Backup & Restore apk on your sd card. (Source)
Every time you flash a new rom - install APN Backup & Restore (from the apk on the sd card), delete the APNs which came with the new rom, restore the original APN which you saved - from your sd card.
Then choose that APN in the phone settings as FurryCup mentions.
Then you can access the correct network as your carrier provides with your phone and contract.
Note: APN Backup & Restore doesn't work with Ice Cream Sandwich.

not sure if its any help to you, BUT... when i installed the rom (my first ever rom) i couldnt manage to install the radio that i was ment to, and everything works fine.
so not sure if the radio you've installed has anything to do with it.

It was the APN, the ROM had automatically set Virgin APN as default when I'm actually on T-Mobile, so I selected the right one and it was working fine.
My phone usually automatically knows my APN details and sets them as default, but it didn't with ARHD for some reason.
Thanks for the replies
Sent from my Desire HD using xda premium

CuBz90 said:
It was the APN, the ROM had automatically set Virgin APN as default when I'm actually on T-Mobile, so I selected the right one and it was working fine.
My phone usually automatically knows my APN details and sets them as default, but it didn't with ARHD for some reason.
Thanks for the replies
Sent from my Desire HD using xda premium
Click to expand...
Click to collapse
When you first flash the rom it asks for the carrier to use. Maybe you hit the wrong option?

zelendel said:
When you first flash the rom it asks for the carrier to use. Maybe you hit the wrong option?
Click to expand...
Click to collapse
No I definitely chose T-Mobile. The APN details for both T-Mobile and Virgin were there, but Virgin was selected as default.
Sent from my Desire HD using xda premium

Tried flashing a different kernel?
Carried in by pigeon escort

snowpatrol1702 said:
Tried flashing a different kernel?
Carried in by pigeon escort
Click to expand...
Click to collapse
I got it working a few days ago, the wrong apn settings were selected.
But thanks anyway
Sent from my Desire HD using xda premium

Xfinity Mobile Data Not Working

Hi,
Is anyone else having a problem with Xfinity Mobile data? I can make phone calls, but I can't get any data connection. This was a phone I bought from Sprint, and due to their messed up unlock system, it got relocked, so I manually unlocked it by using this method: https://forum.xda-developers.com/showpost.php?p=75994498&postcount=360
After that, the phone got unlocked successfully. It accepted a TMO sim, and I was able to update to newer firmware. Today, I decided to put it on my Xfinity Mobile line, and I just can't make data work. Any help would be appreciated.
Thank you,

OK. I think I narrowed down the problem. APN setting has VZWINTERNET. It's supposed to be COMCAST.RSLR.VZWENTP based on what I read on the internet. The problem is, I can't edit or add a new APN. I saw someone else talking about this APN setting problem, and his was resolved with the April security patch https://forums.androidcentral.com/e...cant-add-edit-apn-all-sudden-lost-4g-lte.html
I have that security patch already installed, but my problem persists. I can't change APN. Any help would be appreciated.

It's possible Xfinity locks the APN settings or that it has something to do with yours being the Sprint version. I would power the phone down and remove the SIM. Power the phone on with no SIM card and when you are booted up go into settings and reset the network settings. Power down again and insert your Xfinity SIM. That should ensure that the new SIM populates all the network settings.

jhs39 said:
It's possible Xfinity locks the APN settings or that it has something to do with yours being the Sprint version. I would power the phone down and remove the SIM. Power the phone on with no SIM card and when you are booted up go into settings and reset the network settings. Power down again and insert your Xfinity SIM. That should ensure that the new SIM populates all the network settings.
Click to expand...
Click to collapse
Thank you for replying. That did not work. I don't think it's Xfinity. The problem is that APN gets locked to VZW instead of Xfinity's APN, which is why data doesn't work. I can put a TMO sim card in it and it works fine, so I don't know that there is something wrong with the phone itself. If you have any other suggestions, I would appreciate it. I'm desperate to get this working.

goldentequila said:
Thank you for replying. That did not work. I don't think it's Xfinity. The problem is that APN gets locked to VZW instead of Xfinity's APN, which is why data doesn't work. I can put a TMO sim card in it and it works fine, so I don't know that there is something wrong with the phone itself. If you have any other suggestions, I would appreciate it. I'm desperate to get this working.
Click to expand...
Click to collapse
In a Reddit thread, a user says you need to disable Enhanced LTE:
Under Settings > More > Cellular Networks, disable "Enhanced 4G LTE Mode" and set "System select" to "Automatic"
Haven't tried it myself, but I'm thinking of switching to XM and would like to know how this works out for you.

Get your original Xfinity phone factory reset the original Xfinity phone put your Sim in go through activation. This should work for you this also fixes volte on Xfinity If your volte ever gets deactivated. Anyway from what has happened to my other phones sometimes the apn can get changed on the Sim and got carried over somehow. Resetting the original Xfinity phone will bring the Sim settings back to the Sim card thus fixing your apn settings.
(Another way is to use another phone to edit the apn settings)
I also have Xfinity mobile and it's working fine. Just sometimes my apn gets uncheck and I don't know why
If you messed with bands.
Also make sure you go and download hidden settings from the playstore if you messed with your bands and selected American bands you need to select automatic bands if you messed with radio information page settings.
I messed with bands and it caused phone calls to not work.
---------- Post added at 10:08 AM ---------- Previous post was at 09:31 AM ----------
The Sim saves apn settings and I did notice the first time using this essential phone I had 2 options in the apn and I read carefully which one to select. It may have saved the incorrect information to the Sim. I did this once on a Moto phone and I thought if I put Verizon apns instead of Comcasts I could get better speeds. But I caused my data to stop working. I reset the Moto phone and u still had the problems. I looked for the apn for Comcast couldn't find it. Then I thought of either editing the apn using another phone or using the original Xfinity phone. But it does get saved for sure. I ran into this issue before and I'm pretty sure this will resolve the problems.

goldentequila said:
Thank you for replying. That did not work. I don't think it's Xfinity. The problem is that APN gets locked to VZW instead of Xfinity's APN, which is why data doesn't work. I can put a TMO sim card in it and it works fine, so I don't know that there is something wrong with the phone itself. If you have any other suggestions, I would appreciate it. I'm desperate to get this working.
Click to expand...
Click to collapse
Ever get this resolved?

rootnooby said:
Ever get this resolved?
Click to expand...
Click to collapse
Yes. I manually sideloaded Beta Oreo build, even though my phone already had the official OTA Oreo on it. That fixed the connection issue altogether.

goldentequila said:
Yes. I manually sideloaded Beta Oreo build, even though my phone already had the official OTA Oreo on it. That fixed the connection issue altogether.
Click to expand...
Click to collapse
Wow. Glad to hear your issue is resolved. Who would ever think of going back to a beta build from an official build to fix a connection issue! I may try Xfinity mobile in the near future. Thank you.

rootnooby said:
Wow. Glad to hear your issue is resolved. Who would ever think of going back to a beta build from an official build to fix a connection issue! I may try Xfinity mobile in the near future. Thank you.
Click to expand...
Click to collapse
Yea, it was just a desperate move lol. Glad it'll be helpful for others.

I had the worst time making the XFinity mobile work on Android Pie with the October patches in place and finally got it working. Basically, there was no way to edit the APN configuration even with root on the device via actual Android. What I did to fix this was the following...
-Followed the rooting procedure to get TWRP and Fastboot installed
-I then used "Termux" to copy the APN points configuration file to a writable location. In my case I copied the file from "\system\etc\apns-conf.xml" to a "\sdcard\Download". Keep a copy of the original file.
-I then simply copied the file over to my computer and opened it in NotePad++. I did a search for the following string in single quotes: 'carrier="Verizon"\n mcc="311" '
-This should pull up 5 results in the search and you should confirm that each of the lines has the mnc value set to 480, 'mnc="480"'. On each of the sections that came up, I switched the following variables as shown below...
apn="COMCAST.RSLR.VZWENTP"
authtype="0"
protocol="IP"
roaming_protocol="IP"
-Once you have edited the file, copy it to a writable location on the device, like "/sdcard/Download".
-This then requires rebooting into recovery mode with TWRP and you will need to make sure you have encryption and a PIN disabled on your device to make sure you have full access to the device file system.
-Within the main TWRP page, select "Mount" and you will need to have the "System" and "Data" partitions selected.
-Return to the main page and select "Advanced" and then "File Manager".
-Next, locate the original apns-conf.xml that you copied earlier. It should show up as being in "/system/system/apns-conf.xml". Click on that file, and select "chmod 755".
-Next, navigate to where you have the edited apn file located. Copy that file over to replace the apns configuration file at "/system/system/apns-conf.xml". Just make sure you have a backup of that original file before replacing it.
-Finally, reboot your phone into the OS and you should magically have Xfinity mobile working.
This took a lot longer than I wanted to spend getting it working, but I believe this is because of the carrier ID and MCC being shared with Verizon instead of a separate one for XFinity mobile which forces it to default to the first Verizon APN setting which doesn't allow this to work. There are other ways to edit the APN configuration file, however I found it was quickest to do the actual file replacement with TWRP since that gives you full file system root access.

bschaff1 said:
I had the worst time making the XFinity mobile work on Android Pie with the October patches in place and finally got it working. Basically, there was no way to edit the APN configuration even with root on the device via actual Android. What I did to fix this was the following...
-Followed the rooting procedure to get TWRP and Fastboot installed
-I then used "Termux" to copy the APN points configuration file to a writable location. In my case I copied the file from "\system\etc\apns-conf.xml" to a "\sdcard\Download". Keep a copy of the original file.
-I then simply copied the file over to my computer and opened it in NotePad++. I did a search for the following string in single quotes: 'carrier="Verizon"\n mcc="311" '
-This should pull up 5 results in the search and you should confirm that each of the lines has the mnc value set to 480, 'mnc="480"'. On each of the sections that came up, I switched the following variables as shown below...
apn="COMCAST.RSLR.VZWENTP"
authtype="0"
protocol="IP"
roaming_protocol="IP"
-Once you have edited the file, copy it to a writable location on the device, like "/sdcard/Download".
-This then requires rebooting into recovery mode with TWRP and you will need to make sure you have encryption and a PIN disabled on your device to make sure you have full access to the device file system.
-Within the main TWRP page, select "Mount" and you will need to have the "System" and "Data" partitions selected.
-Return to the main page and select "Advanced" and then "File Manager".
-Next, locate the original apns-conf.xml that you copied earlier. It should show up as being in "/system/system/apns-conf.xml". Click on that file, and select "chmod 755".
-Next, navigate to where you have the edited apn file located. Copy that file over to replace the apns configuration file at "/system/system/apns-conf.xml". Just make sure you have a backup of that original file before replacing it.
-Finally, reboot your phone into the OS and you should magically have Xfinity mobile working.
This took a lot longer than I wanted to spend getting it working, but I believe this is because of the carrier ID and MCC being shared with Verizon instead of a separate one for XFinity mobile which forces it to default to the first Verizon APN setting which doesn't allow this to work. There are other ways to edit the APN configuration file, however I found it was quickest to do the actual file replacement with TWRP since that gives you full file system root access.
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You couldn't cut and paste the file back with a root file manager? Maybe a magisk module? And does this lock you to Verizon?
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avd said:
You couldn't cut and paste the file back with a root file manager? Maybe a magisk module? And does this lock you to Verizon?
Sent from my PH-1 using XDA Labs
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I'm sure there are other ways to get the file back there, but I found my approach to be a quick bypass for other methods of getting root.
Regarding Verizon, It would probably break a Verizon connection for a sim carrier code of 311480. However, since this post is about Xfinity mobile, this is the quick way I got it working. In the future I want to change the priority on the APN configurations which may allow Xfinity mobile and Verizon to play nicely. The issues that have caused this are Android Pie restricting people from changing settings on the phones they own and Xfinity mobile being either too lazy or cheap to commit to their own carrier code and provide that information to manufacturers.

bschaff1 said:
I'm sure there are other ways to get the file back there, but I found my approach to be a quick bypass for other methods of getting root.
Regarding Verizon, It would probably break a Verizon connection for a sim carrier code of 311480.
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Breaking a Verizon contract for sim carrier code would be a drastic move, considering.. The only money you have to spend is $5 on a Verizon prepaid phone card. Go into a Verizon corporate store and they will give you a sim, ( it's $20 if you don't go to the corporate store)
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