yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Note 8 Questions and Answers] simple23227:
[MENTION=4375750]Kalm_Traveler[/MENTION] thanks for replying to my own thread and for all this info.

Want to hear a joke? I just called tmobile and tried to give the rep on the phone the IMEI so he can do his thing and provision it properly. The guy clearly sounded troubled by what I said and he took a really long time, putting me on hold and everything, then came back and said, well I'm pretty sure if you're getting signal and text and everything else, just slow data speed is the cause of the cell tower in your area is being upgraded.

LOL just another way of saying "I don't know what I'm doing." ... anyone has much luck calling these tmobile reps ?? Ill try to call them again later to get someone else more helpful and report back my results.

Thanks guys.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
yeah I just got through a chat agent, she seemed to kind of understand me but whatever she did didn't seem to make a difference. Running speed test here at work with 4-5 bars on LTE with VoLTE connected it auto connected me to a T-Mobile server in another state and I got 2mbps down and 3 up, tried a few local servers and got between 2-5mbps down and 0.04 to 6mbps up.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
hmm wifi calling wouldn't enable today at work or home. apparently it working all night last night was a fluke? but I even tried factory reset wipe, still just sits on Enabling.

I have one more thing to look now, fortunately.
[Samsung Galaxy Note 8 Questions and Answers] jooniloh:
Hey, I've been following this thread for a while now and I'm really glad you're making progress. I'm in the same boat as you with a KT Note 8 that I plan to use on the T-Mobile network. I'll probably be trying out your zip soon, as soon as I've caught up with understanding everything. Been out of the android scene for a while now and just reading about all the new hacks/tools/whatever that are around now is giving me a headache :P

I just had one question. Do you know how to deal with some of the stuff that's localized for Korea on these phones (without flashing a rom over it)? If it was just the KT apps and such here and there I wouldn't even mind (well I'd just disable them, which I have). But like the weather info is tied to some Korean weather service that isn't accurate over here, Bixby vision pulls up results on Korean shopping sites, and a bunch of other things here and there. Does the CSC affect any of that? It really limits the usefulness of some things and I'm not feeling too good about that.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
CSC as well as in my build.prop I changed the locale to en-US which changed a lot of those. I never used Bixby though so I can't comment on that. Once I can reliably get wifi calling to connect (after turning wifi off and on repeatedly) I'm going to Odin to stock and apply the patch as a final test to make sure everything is perfect. I can test Bixby at that point (right now all the files have been deleted since I never intended on using it)
[Samsung Galaxy Note 8 Questions and Answers] jooniloh:
That's good to hear. Honestly, I'm really glad that I got this variant. Every step of the way has been me completely terrified by the idea of <some feature/hack/mod/etc> not working and it turning out in my favor in one way or another at some point.

Have you tried other build.prop mods like DPI scaling and such? If yes, how well do they work?

Also do you know what the status of xposed is on samsung devices right now (and particularly on this phone)? The last time I was doing this everyone was freaking out about the runtime changes on samsung phones and there were a bunch of alpha builds coming out from different devs due to the original focusing on other aspects of the software lol.

Thanks!
[Samsung Galaxy Note 8 Questions and Answers] simple23227:
A quick update: I called tmobile back yesterday afternoon, using a different number and right off the bat, I asked them if there was any problem in my area, and actually there has been a problem in my area. She told me there was a fire and 3 of their towers were down and were being fixed. But we should have everything back to normal within 2-4 days. Then I asked about putting the new IMEI number to their system to provision it properly, she took the IMEI and she said that IMEI has been established in the system and should be working properly.

Well, I'll call back after a few days and check again. Hope you guys have more luck than I did.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Yeah I am glad with it in a general sense, though I'm entirely unsure why I keep ending up with awful mobile data speeds. I had it for a week totally stock and LTE was insanely fast. As soon as I started monkeying with it, it's been horrible. Restoring an EFS backup I took early on helped but now it's back to garbage again and the only thing that I've overwritten is the sales code for the CSC.

I've put in quite a few build.prop mods to try and improve signal and battery life, the battery life stuff works great, haven't noticed any difference in signal or data speeds at all though. DPI settings work but I am fine with the device as it is out of the box in that regard.

Xposed I'm honestly not sure, never used it but I think people have been able to get the framework installed and some modules working (as our device is basically an S8+ with a pen). Honestly this is the first time I've ever tried to dive in and pioneer a mod, it's been a huge learning curve but I am feeling very confident that I should be able to get everything working perfectly soon. The only curiosity remains why my LTE signal and speed is so bad.

that is good and bad, though in my case I don't think towers or maintenance have anything to do with it because I still have my Note 5, and it's getting blazing fast LTE - while on the same band as the Note 8. My concern is that something has come loose with the radio antenna because it doesn't make any sense that holding the two phones side by side, they connect on the same band but the 5 will have a signal strength of say -75 dBA and the 8 will be around -90 to -100 dBa. This would also explain why my speeds have become awful, when they were crazy fast when I first got it.

I'm going to restore the EFS again and flash back to full stock and test again but that is my only concern at this point. I'm not afraid of taking things apart to fix them but looking at the iFixit guide on disassembling this phone, removing that rear glass to look at the antenna wire is not my idea of a good time.
[Samsung Galaxy Note 8 Questions and Answers] jooniloh:
Correct me if I'm wrong, but I think I've seen several others on here with the same symptoms. Fast LTE until they did something (mostly flashing a F based rom to get wifi calling working), and then miserable speeds going forward. Makes me really hesitant at the moment to do anything to this phone. I haven't even rooted it yet which is a first for me (usually I own and have rooted the thing within a day to week of its release lol). But that others have reported similar issues makes me question if it really is a hardware issue like a loose connection.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Yeah i have noticed that as well. I didn't notice a drop in LTE speeds until about when I flashed a 950F ROM at first, (had been rooted for a few days). I restored my earliest backup (full backup including EFS) but the speeds are still abysmal. I'll run ookla's speed test app side by side with my Note 5 and the 5 will get 50 to 100mbps down (highly dependent on server of course) and around 20-40mbps up. The 8 on the same server (while confirmed on the same LTE band) will get maybe 1-15 mbps down and 0 to 2 mbps up. Sometimes when it gets to the upload part, the needle doesn't move until near the end of the test it will blip up to a fraction of a megabit.
[Samsung Galaxy Note 8 Questions and Answers] louforgiveno:
What carrier are you on? Also exynos or snapdragon?

I didn't edit the signal bars, I'm on tmobile snapdragon using my modified cscfeatures.xml.
[Samsung Galaxy Note 8 Questions and Answers] wtharden:
I'm on Sprint SD.... I've been playing around with it but when it changes signal bars, I also loose service lol..... so I thought you delete some lines or knew the specific line to keep the different signal bars. But I'll keep testing.
[Samsung Galaxy Note 8 Questions and Answers] louforgiveno:
Try looking for and changing these lines
[Samsung Galaxy Note 8 Questions and Answers] louforgiveno:
Or perhaps this line...
[Samsung Galaxy Note 8 Questions and Answers] wtharden:
Thanks, I tried, but without a quick restore, it's a lot of work so I just figured it doesn't work for me.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
there's a CSC feature line that says which style of signal bars to use - I can search for it after work if you aren't able to find it.

Also on the topic, I was on-call all last week so didn't have time to keep plugging away but I should be good this week. Going to decompile all the related APKs from the 950U, the F and the N and see what they 'use' in their manifest xml files, then compare those between F and N, and try adding anything that is different.

There's also a slim possibility that with the current patch if we did a full factory wipe it might somehow do something different during setup that would make everything work but I want this patch to just flash on top of any existing install and just work.
[Samsung Galaxy Note 8 Questions and Answers] wtharden:
That would be very much appreciated. :)
[Samsung Galaxy Note 8 Questions and Answers] wtharden:
Thanks again, it was the second line. But I need your wisdom again. I broke Wi-Fi Calling.... I'm not sure if you know how to enable it. I'm on Sprint.

Note: Also was on the wrong rom.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Hmm to be honest I'm not the best resource for Sprint. As far as I know the Exynos Note 8 is not a good choice for Sprint or Verizon because it doesn't support CDMA so it will only maybe work on their LTE networks.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Finals will be done this week so I can get back to figuring this out. Meanwhile here it is connected at work again, but only works for inbound calls. If I call out the other end doesn't get any sound from my mic.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Hmm it's connected at home now too, with the icon.

I really wish the cause of this issue was more obvious.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Also if anybody can give suggestions - I had the idea just now that at this point the issue may actually be related to the wifi itself somehow, since the behavior we see with the current patch is that 'sometimes' Wifi Calling will connect, but that even when it does the outgoing sound doesn't work (this is usually a networking/traffic issue - inbound traffic works fine but outbound is not connecting or not connecting properly).

I found a wifi config file on the T-Mobile N950U that is in my current patch, but I haven't specifically looked for other wifi-related files so it seemed plausible that this could be the issue - there may be some setting/settings pertaining to how it works with wifi that are different/missing with the N firmware from the F. This would also explain why I'm not finding any more "missing" or functionally-different apps/libraries.

What do you guys think? my last final of the semester is on the 15th so I will for sure be digging into this again immediately.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Haven't rebooted yet but wifi calling has been connecting instantly at home and at work for a few days now, with the icon etc but still no outbound voice.

So close guys I can practically taste it!
[Samsung Galaxy Note 8 Questions and Answers] Kamikaze_Ice:
I've not touched my phone for over a week, but I do recall seeing some files outside of csc/omc related directories for permissions and configs, and I'm pretty sure there was a few that made references to some APK files and/or services possibly related.

I just don't remember where and I didn't save my "note" (read: annotated screen captures).

I don't know how they're really handled but there are certificate files that appear to be related to some of these APK/services, however I think (assuming) this should be clearly noticeable in catlogs.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Thanks - Kamikaze, I will definitely take a close look at this. Today (again without rebooting) Wifi Calling is still connecting instantly at both home and work, but again no outbound sound.

On a side note, I just grabbed the new firmware from Sammmobile, N950NKSU1BQK6 - Galaxy Note8 SM-N950N SKC Korea (SK Telecom) but they have all 3 carrier versions if someone wanted LG U+ or kt Olleh versions. I will be updating this before continuing to finish up the T-Mobile Wifi Calling patch this weekend just a heads up.

*edit*

Also decided to grab the latest 950F from T-Mobile Germany for comparison, and USA T-Mobile 950U while we're at it.
[Samsung Galaxy Note 8 Questions and Answers] masri1987:
thanks, i'll do a fresh odin flash of the updated firmware tonight and get on a new firmware rom like simplerom

---------- Post added at 09:39 PM ---------- Previous post was at 09:33 PM ----------

I've registered on sammobile and everytime i hit free download it logs me out and wants me to pay, i have never successfully downloaded jack from this site
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
I haven't tried their free downloads because the speed appeared to be super slow. If someone has a good free host I can upload whatever from Sammobile.
[Samsung Galaxy Note 8 Questions and Answers] masri1987:
I got it from samfirm, much quicker
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
ooh thanks, i will check them next time. i got all 3 that I listed in about 5 minutes this morning from sammobile but I paid for a month.
[Samsung Galaxy Note 8 Questions and Answers] masri1987:
so as of tonight i will be on the all new firmware , this could probably answer why i'm having really strange FC and slowdowns
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Did the upgrade help? I'm going to be installing the update myself tonight since finals are done and I'm not on-call this weekend.

On a side note - is there anyone on N950N firmware with my patch that hasn't rebooted for a long time and is also getting Wifi Calling to insta-connect everywhere?

It's been "working" all week just fine between work and home (aside from no outgoing sound) which I'm confused by. Why it would just decide to start working perfectly after a few weeks of not rebooting is beyond my current understanding of Android.

Also fairly sure that when I reboot it won't work again (at least for some weeks, or until I get the patch working as intended).
[Samsung Galaxy Note 8 Questions and Answers] masri1987:
TBH i don't see any diff in behavior, i flashed the upgrade in odin did all the proper check marks, installed iron man rom and it went berserk after i restored apps from google play ystore, systemUI FC all over the place, it's the only ROM that goes berserk, so i kept the updated bootloader and flashed the last nightly by renovate from 3 weeks ago.

I need to find me a new rom, I know not all are listed on XDA where else are they at?

I haven't flashed your 7c patch yet, waiting to get on a stable new rom first -

It makes no sense as to why it would control the one way audio, but it sounds like you're "muted" , there has to be a file that controls this behavior that's associated with wifi calling.

Are you experiencing this on stock rom?
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Yes I am on stock N950N base, with just that 7c version of the patch added. It's odd because if I turn off Wifi Calling or disconnect wifi and call over the cell network the microphone is fine, it's only on a wifi call that no sound goes out.

If you're running one of the custom ROMs they are all built with 950F base (as far as I have seen) so wifi calling should work perfectly.
[Samsung Galaxy Note 8 Questions and Answers] masri1987:
there has to be an associated line item regarding inbound\outbound voice on wifi calling we are overlooking. I will try to test this out this weekend, i'm in the middle of packing right now because lease ends 31st, but i will make sure to test as thorough as i can b4 i leave.
[Samsung Galaxy Note 8 Questions and Answers] Sn0wR@pt0r:
Hey guys! FYI...I now have my Note 8 N950N 256GB Deep Blue Sea (from SK Telecom) in hand...finally! LOL. :cool:

I've been working on setting up & configuring my new Tablet PC as well...so I have a good platform to dive into all of this Android stuff again (as my DD is a Mac Book Pro).

That said...my N950N is still a virgin, lol. I grabbed a SIM from AT&T and from T-Mobile, to try out soon.

Started grabbing the Android tools tonight, so hopefully can start hacking away at my Note 8 shortly. ;)

A quick shout to KT and the muted outbound issue...have you tried using Skype or any other WiFi-calling app to make a call & test outbound voice??

If it still seems "muted", it would point to it possibly affecting things system-wide. However...if Skype, etc. do work OK...then that would at least tell you it's "isolated" to the carrier-based WiFi-calling feature only. Just a thought. :confused:

Quick question...whether I use the AT&T or T-Mo SIM card...are the carrier apps for Visual VM, etc. available to install on an N950N & will they work ok? TIA

Anyways...I'll be around. Have a great weekend guys! :good:
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Congrats, I love this phone!

Good idea on the Skype, I will try it. The only other apps I've tested that use the mic are a Korean IM app called Kakao Talk, and Google assistant. Both work fine on wifi (kakao can do voice calls and those work).

I'm thinking the no outbound sound in T-mobile wifi calling is something related to the specific apps, libraries and system binaries it uses but it's odd that the incoming sound works fine.

As for apps, yes you can actually download tmobile visual voicemail on the play store. It works just fine on my mostly stock system.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
Yeah I'm wondering if maybe it doesn't have permission to use the microphone somehow. Checking in the app permissions system setting I don't see anything missing mic permissions but it may be somewhere else.

Still doesn't explain why it decided to start connecting properly after a few weeks. I changed nothing all month, and haven't rebooted for 321 hours but it decided a week ago to start connecting. I need to know why so that I can make the flashable zip work immediately, aside from figuring out this outbound audio issue.
[Samsung Galaxy Note 8 Questions and Answers] gundal:
Hey Guys,

can a few of you post back the results of this terminal command... specifically those that have BTU? BTC? as their 3rd CSC.

adb shell getprop | grep carrierid
[Samsung Galaxy Note 8 Questions and Answers] WizP:
Mine is XSP

Full is BTU/BTU/XSP

And I got the OEM issue. 7 days have gone past and no oem unlock. Had no issues until I tried Ironman..

It was previously XSP/XSP/XSP when I got the phone and the OEM unlock appeared after 7 days.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
I have extracted all 3 new firmwares, the 950N, 950F (DTM, Germany T-Mobile), and 950U T-Mobile version and am comparing everything again now. Going to make the next patch version with these new files so everything is as up to date as possible, and I have a few more things to check this time so please cross your fingers.

As expected, when I finally rebooted the wifi calling stopped connecting (on the old patch version). I'm going to start keeping a log of which files came from where because I can't remember now what I took from the 950U outside of the mandatory files that everyone's T-Mobile CSC zips had in them on the S8/S8+

I should have a new patch version tomorrow night.
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
OK so I'm getting data gathered to build the new version of the patch tonight and have a few things sorted so far:

Between stock DTM 950F and SKT 950N, there are 554 files that are different, but exist on both (removing any that are different but exactly the same size). Looking at them, almost all the 'differences' are simply build data or language differences (the F files often contain the same thing in a dozen or more languages where the Korean version may only have Korean, English, and Chinese).

There are 125 files that exist on the 950F which are not present on the 950N, several of which are definitely useless such as Yahoo Finance app, or apps that are in system/priv-app on one device but /system/app on the other or vice versa (AirCommand is under /app on the F, but /priv-app on the N, for example)

There are a few apps with similar names between the 2 but I'm not sure if they are the same or relevant to this project such as on the F Phonesky_PAI.apk and on the N just Phonesky.apk in /priv-app, on the F /system/app/Omc.apk but on the N /system/priv-app/OMCAgent.apk

Decompiling the apk's of the apps that need to be used on an F-based ROM I found that they reference libraries: EpdgManager, imsmanager, secimshttpclient, TmoWfcUtils, and vsimmanager which are .jar files under /system/framework/ and of those EpdgManager is F only, TmoWfcUtils comes from a T-Mobile device, imsmanager is 'different' between the F and N variants. secimshttpclient and vsimmanager are identical between F and N firmware and it is interesting to note that vsimmanager.jar exists on the N even though that variant does not have the vsimservice app under /system/app

I put the files which relative to the N are missing or different in a folder and compared that to the T-Mobile N950U firmware and found a few surprises, the 950U doesn't have RcsSettings or Omc apps, and more interestingly most of the 'missing or different' files on the F compared to N test are identical between the F and U firmware, epdg files/certificates, config files in /system/etc/ , tons of the .jar files in /system/framework/ , both have Phonesky_PAI.apk and a few others.

This compare leaves me with 148 files (364mb) of things that are different or missing from the N firmware but identical between F and U firmwares. While this doesn't include a few things that I know are needed from the F, it helps to narrow things down quite a bit.

For an additional filter step I then ran a compare between the combined "missing and/or different files that are on both the F and U but maybe not N" against the N firmware one more time and now have 52 files which are only on the F & U but not N, and 1,444 files which are different but exist on all 3 firmwares (down from 1,714 files which exist but are different between just the F and N firmwares).

*EDIT* so when filtering out the different-but-same-size I am still at 552.

Now i can finally start putting the new patch together! Please stand by :)
[Samsung Galaxy Note 8 Questions and Answers] Kalm_Traveler:
ok here is the first go with the new patch - keep in mind this is made with mostly files from N950FXXS1AQK9_N950FODX1AQHG_DTM and the T-Mobile files from N950USQU2BQJA_N950UOYN2BQJA_TMB (aside from using the old S8+ TMB_keystrings.dat and of course some CSC feature tweaks for SPAM call blocking, wifi calling and volte toggles, etc)

I have not updated my phone yet - will do this and try tomorrow to the current firmware N950NKSU1BQK6_N950NOKR1BQK6_SKC

*EDIT* deleted link, I tried to dirty flash this on top of 7c and something won't let it boot even with a factory reset.

Looks like I am updating my firmware sooner than expected :)