[Q] Windows 10 TP on Lumia Icon/930? - Windows Phone 8 Q&A, Help & Troubleshooting

Hey guys. I've been waiting to try out Windows 10 TP on my Lumia Icon ever since it was announced. When build 10051 was revealed with support for many more phones, I was excited. The Icon was even part of the initial flight list. However, it never became available. Build 10052 was the same. I know that there is a way to install it on non-supported phones with an SD card, but the Icon doesn't have one. Is there anything else that can be done? I remember trying it unofficially on my 1520 using a proxy spoof. I also know that the Insider app was patched to prevent this. Is there any other way, or am I forced to wait until Microsoft gets around to it?
Gabe Aul has even revealed on twitter that the 930/Icon scaling issue has been fixed. However, the fix is not available to Insiders. Help please.

Get a registry editor running (I use Root Tool on Samsung; you should try CustomWPSystem/CustomPFD), and do this to emulate a 1520 (it's a similar architecture):
[HKEY_LOCAL_MACHINE\System\Platform\DeviceTargetingInfo]
"PhoneManufacturer"="NOKIA"
"PhoneManufactrerModelName"="RM-938"
"PhoneModelName"="Lumia 1520"
Then, sign-in to Windows Insider, fast ring, take the update, boot, go back to windows insider and repeat. If you don't like the size of the fonts you can change it through the registry or just start out with values for the 830, which are posted elsewhere. If you use Verizon and have CDMA issues, try the values for the Lumia 928 (NOKIA, RM-860_nam_usa_100, Lumia 928); that may provoke downloading provisions for Verizon.

G.moe said:
Get a registry editor running (I use Root Tool on Samsung; you should try CustomWPSystem/CustomPFD), and do this to emulate a 1520 (it's a similar architecture):
[HKEY_LOCAL_MACHINE\System\Platform\DeviceTargetingInfo]
"PhoneManufacturer"="NOKIA"
"PhoneManufactrerModelName"="RM-938"
"PhoneModelName"="Lumia 1520"
Then, sign-in to Windows Insider, fast ring, take the update, boot, go back to windows insider and repeat. If you don't like the size of the fonts you can change it through the registry or just start out with values for the 830, which are posted elsewhere. If you use Verizon and have CDMA issues, try the values for the Lumia 928 (NOKIA, RM-860_nam_usa_100, Lumia 928); that may provoke downloading provisions for Verizon.
Click to expand...
Click to collapse
Thank you. How do I install a registry editor on the Icon?

G.moe said:
Get a registry editor running (I use Root Tool on Samsung; you should try CustomWPSystem/CustomPFD), and do this to emulate a 1520 (it's a similar architecture):
[HKEY_LOCAL_MACHINE\System\Platform\DeviceTargetingInfo]
"PhoneManufacturer"="NOKIA"
"PhoneManufactrerModelName"="RM-938"
"PhoneModelName"="Lumia 1520"
Then, sign-in to Windows Insider, fast ring, take the update, boot, go back to windows insider and repeat. If you don't like the size of the fonts you can change it through the registry or just start out with values for the 830, which are posted elsewhere. If you use Verizon and have CDMA issues, try the values for the Lumia 928 (NOKIA, RM-860_nam_usa_100, Lumia 928); that may provoke downloading provisions for Verizon.
Click to expand...
Click to collapse
Upon further research I discovered that I need an SD card to install CustomWPSystem or .CustomPFD Another dead end

SuperCana said:
Upon further research I discovered that I need an SD card to install CustomWPSystem or .CustomPFD Another dead end
Click to expand...
Click to collapse
Try Root Tool.

G.moe said:
Try Root Tool.
Click to expand...
Click to collapse
Is this the right app? : http://www.windowsphone.com/s?appid=e29fe9cf-074d-49f6-83c1-c3a7b5658653&signin=true
I find it odd that Microsoft allowed this on the Store.
Edit: The app needs to be on the SD card to work. No dice ?

SuperCana said:
Is this the right app? : http://www.windowsphone.com/s?appid=e29fe9cf-074d-49f6-83c1-c3a7b5658653&signin=true
I find it odd that Microsoft allowed this on the Store.
Edit: The app needs to be on the SD card to work. No dice ��
Click to expand...
Click to collapse
Actually it's this version: http://www.windowsphone.com/en-us/store/app/root-tool/f4acc009-ea1e-4063-9bab-fec50195aa1e
But you're right, I forgot about the SD requirement; sorry.

G.moe said:
Get a registry editor running (I use Root Tool on Samsung; you should try CustomWPSystem/CustomPFD), and do this to emulate a 1520 (it's a similar architecture):
[HKEY_LOCAL_MACHINE\System\Platform\DeviceTargetingInfo]
"PhoneManufacturer"="NOKIA"
"PhoneManufactrerModelName"="RM-938"
"PhoneModelName"="Lumia 1520"
Then, sign-in to Windows Insider, fast ring, take the update, boot, go back to windows insider and repeat. If you don't like the size of the fonts you can change it through the registry or just start out with values for the 830, which are posted elsewhere. If you use Verizon and have CDMA issues, try the values for the Lumia 928 (NOKIA, RM-860_nam_usa_100, Lumia 928); that may provoke downloading provisions for Verizon.
Click to expand...
Click to collapse
Thanks! This worked on my HTC One M8. (Lumia 1520 method) Everything is a bit smaller though, but i don't mind.

crystaljordan said:
Thanks! This worked on my HTC One M8. (Lumia 1520 method) Everything is a bit smaller though, but i don't mind.
Click to expand...
Click to collapse
You can change that via the registry; I can't remember the keys off the top of my head but they're around. You can also enable the navigation bar like you're used to if it didn't do it automatically.

G.moe said:
You can change that via the registry; I can't remember the keys off the top of my head but they're around. You can also enable the navigation bar like you're used to if it didn't do it automatically.
Click to expand...
Click to collapse
Does this also make the keyboard bigger? the buttons are way harder to hit than in 8.1. That's the only thing that really annoys me.
Navigation bar is visible but i am not able to hide it. I already found the registry keys to edit the settings but i haven't enabled write access in the registry yet.
Edit: Can't seem to get write access to that part of the registry. Already tried root tool and custompfd (applied the hacks to get it working for both). Do you know how to write in HKLM\Software\Microsoft\Shell\NavigationBar ?
Edit2: changed phone to lumia 830. Font size and keyboard are back to normal. Although i liked to small font size, the keyboard was pretty hard to use.

Related

Starting to code for Windows Phone 8

Hi there,
I would like to start coding for WP8 - however, there are no books yet. That is why I just installed VS Express 2012 for Windows Phone and try to make a flashlight app which just has one button that switches on or off the led of my Lumia 920. I know how to make button, but I don't find any code that shows how to use the flashlight...
Can you please help me...?
For managing the flashlight use the camera api, I think.
There is no book for WP8 yet (or not? ), but you can easliy teach on the WP7.5, because it's a subset of WP8 API. For the rest use MSDN or even the Object Browser.
Why do you need a book? You can download documentation from visual studio or use msdn.
mcosmin222 said:
Why do you need a book? You can download documentation from visual studio or use msdn.
Click to expand...
Click to collapse
Of course you can do this. But it's much easier to learn using book thank msdn+ google. Especially if you haven't used silverlight\wpf before.
Try this, it is for Windows Phone 7 but it's free!
http://blogs.msdn.com/b/microsoft_p...mming-windows-phone-7-by-charles-petzold.aspx
There's a book from Microsoft Press called "Windows Phone 8 Development Internals", I've recently started reading it and it seems like a good one.
http://blogs.msdn.com/b/microsoft_p...opment-internals-preview-1-available-now.aspx
ap3rus said:
There's a book from Microsoft Press called "Windows Phone 8 Development Internals", I've recently started reading it and it seems like a good one.
http://blogs.msdn.com/b/microsoft_p...opment-internals-preview-1-available-now.aspx
Click to expand...
Click to collapse
Thanks for this

Javacode , exploit possibility ?

you can use java codes with the IE browser (also with Favorites)
maybe window break could get advanced
examples
javscript:history.forward
javascript:alert(document.cookie)
javascript:alert("xda")
IE10 mobile with windows phone 8 (tested on Lumia 920)
IE9 mobile with Windows Phone 7 doesn't work (tested on Mozart)
saywa said:
you can use java codes with the IE browser (also with Favorites)
maybe window break could get advanced
examples
javscript:history.forward
javascript:alert(document.cookie)
javascript:alert("xda")
IE10 mobile with windows phone 8 (tested on Lumia 920)
IE9 mobile with Windows Phone 7 doesn't work (tested on Mozart)
Click to expand...
Click to collapse
I'm not sure how this would ever help us, though. That's pretty much the same as just running javascript within the browser. And either way, the browser runs under low privileges anyway.
Good thought, though!
First of all, Java has nothing to do with JavaScript except for some idiot marketing scheme by Netscape long ago. Don't confuse them.
Second, if it were possible to use JS to jailbreak a phone, then it would also be possible for an attacker to take over your phone just because you visited a website. This would be bad.
Third, WP7/IE9 actually does support "scriptlets" or "bookmarklets" (javascript:<code> favorites); see my signature for a link to a few of them for WP7, including a "Find on page" tool.
Fourth, while Jaxbot is absolutely correct that the browser has low privileges (even if we could cause it to execute anything we want, we *probably* couldn't manage to unlock the phone), it is nonetheless probably a good idea to keep an eye out for any exploits released against IE10 on the desktop. Much of the code in the Windows Phone version is the same, and it might be possible to use a known exploit (at least, until it gets patched) to have another way to learn more about how the OS works, which might allow us to find a vulnerability that can be used for an unlock. It's not a sure thing, but it *might* help.

Possible Tethering Hack?

So after that guy figured out the tethering hack for iOS by just changing a few lines of test, I decided to try to find one for Windows Phone 8. I have no idea how it would get on the phone (besides possibly flashing a new rom?), but I went and looked anyway. I mounted the VHD from the SDK and I think that I found something. If you use something like Visual Studio's Find in Files and search for ICSSVC, you'll find some interesting stuff.
First of all, in Microsoft,Net.NetCore.reg, I found this: puu.sh/3J9yS.png That's how I learned about ICSSVC. So then I searched for that and in Microsoft.Net.NetCore.policy.xml there is a bunch of capability stuff. I have no idea what to do past here, and the emulator doesn't have the Internet Sharing option. So, yeah.
MichaelC97 said:
So after that guy figured out the tethering hack for iOS by just changing a few lines of test, I decided to try to find one for Windows Phone 8. I have no idea how it would get on the phone (besides possibly flashing a new rom?), but I went and looked anyway. I mounted the VHD from the SDK and I think that I found something. If you use something like Visual Studio's Find in Files and search for ICSSVC, you'll find some interesting stuff.
First of all, in Microsoft,Net.NetCore.reg, I found this: puu.sh/3J9yS.png That's how I learned about ICSSVC. So then I searched for that and in Microsoft.Net.NetCore.policy.xml there is a bunch of capability stuff. I have no idea what to do past here, and the emulator doesn't have the Internet Sharing option. So, yeah.
Click to expand...
Click to collapse
Unfortunately, this involves dumping phone ROMs and modifying the policies (We don't know how crazy this process will be). Another set back involves the fact that the bootloaders for WP8 are signed which would require the the ROM to be signed with the correct cert, etc.
Basically, this will be extremely painful due to WP8 running a Windows NT Kernel (WP7 uses Windows CE) and all kinds of other obstacles that we haven't discovered yet.
snickler said:
Unfortunately, this involves dumping phone ROMs and modifying the policies (We don't know how crazy this process will be). Another set back involves the fact that the bootloaders for WP8 are signed which would require the the ROM to be signed with the correct cert, etc.
Basically, this will be extremely painful due to WP8 running a Windows NT Kernel (WP7 uses Windows CE) and all kinds of other obstacles that we haven't discovered yet.
Click to expand...
Click to collapse
Also while I was searching, I found a registry entry for 'DeveloperUnlock'. So when you run the program to dev unlock your phone, the program must modify the registry on the phone. I'm pretty sure that it would be possible to replicate that.
MichaelC97 said:
Also while I was searching, I found a registry entry for 'DeveloperUnlock'. So when you run the program to dev unlock your phone, the program must modify the registry on the phone. I'm pretty sure that it would be possible to replicate that.
Click to expand...
Click to collapse
As of now, we can't execute the native EXEs on the phone so we won't know whether we can replicate that or not. I know with talking with HeathCliff74, modifying the policy on WP7 took quite a long time and effort to figure out. I can almost guarantee the policies on WP8 are implemented completely different from WP7 and even a bigger pain to modify
snickler said:
As of now, we can't execute the native EXEs on the phone so we won't know whether we can replicate that or not. I know with talking with HeathCliff74, modifying the policy on WP7 took quite a long time and effort to figure out. I can almost guarantee the policies on WP8 are implemented completely different from WP7 and even a bigger pain to modify
Click to expand...
Click to collapse
I meant the program on your computer that comes with the SDK. I think that it modifies the phones registry to dev unlock it.
MichaelC97 said:
I meant the program on your computer that comes with the SDK. I think that it modifies the phones registry to dev unlock it.
Click to expand...
Click to collapse
You are correct, it does modify the registry to dev unlock it by connecting to a running service on the phone and executing native DLLs. The main DLL that interacts with the phone within the program's folder is an Win32 compiled .DLL rather than a .NET file which would require some disassembly to get an idea of what's going on. It also doesn't help that it is a signed DLL.

[Q&A] Enabling Tethering (Internet Sharing) if carrier blocks it

Q&A for Enabling Tethering (Internet Sharing) if carrier blocks it
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for Enabling Tethering (Internet Sharing) if carrier blocks it. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
Edit ICSSVC\Settings
RustyGrom said:
I've tested this with both Cricket and AT&T on my Lumia 1520 and it's working great. I'm assuming it will work with other carriers and phones but would need to be tested. It requires registry editing capabilities. I used the CustomPFD registry editor with it running as the Preview for Developers app. (note: I had to use this method to get registry write access)
Basically you just have to set the following registry keys. For carriers like Cricket that completely blocks tethering you'll need the ICSSVC & system settings but for others like AT&T that allow it but only on certain plans you'll only need the ICSSVC settings.
Code:
[HKEY_LOCAL_MACHINE\System\ControlSet001\Services\ICSSVC\Settings]
"Enabled"=dword:00000001
"EntitlementRequired"=dword:00000000
[HKEY_LOCAL_MACHINE\Software\Microsoft\Settings\{1DEF9B7D-2322-40eb-A007-16A75D5CDA6F}]
@="Soft AP"
"Location"="app://5B04B775-356B-4AA0-AAF8-6491FFEA5629/Default"
"Plugin"="{09c51652-2cbc-49d5-883e-20606f9a47ff}"
"QuickSettingsIconURI"="res://UIXMobileAssets{ScreenResolution}!actioncenter.hotspot.tier25.png"
"QuickSettingsTitle"="@\\windows\\system32\\Settings3Res.dll,-535"
"Title"="@\\windows\\system32\\Settings3Res.dll,-242"
"Type"=dword:00000001
[HKEY_LOCAL_MACHINE\WPSoftware\Microsoft\Settings\{69DAA7D1-09EA-4eae-A67E-56E4B0B4CA5B}\SecureItems]
"{1DEF9B7D-2322-40eb-A007-16A75D5CDA6F}"=dword:000000b0
[HKEY_LOCAL_MACHINE\Software\Microsoft\Settings\QuickSettingElements]
"{1DEF9B7D-2322-40eb-A007-16A75D5CDA6F}"=dword:00000007
Note: dword:000000b0 is integer 176. Also, if you change sims this will get reset and will need to be redone. I've seen vague references to some of this info but never a good writeup so hopefully this helps other people.
Click to expand...
Click to collapse
This is awesome! Thanks for sharing this, the problem on my side is that I have a Lumia 1020 no SD Card, is there any other way to reach the key [HKEY_LOCAL_MACHINE\System\ControlSet001\Services\ICSSVC\Settings] and enable it?
Thank you!!
Prerequisites
I am a complete newbie WP - coming from Android. Are there any prerequisites to this process or can this be done w/ a stock phone from the carrier? In my case the phone is Lumia 635 from Cricket. The only thing I've done so far is install apps. Is there anything else I need to do before I can get into the registry? I have tried he best I could to follow instructions in this thread and other links, but I am stopped dead in every direction. I can't access any of the folders mentioned and am unable to "deploy" custom apps mentioned etc.
Any help would be appreciated. I need to be able to tether on this phone or will have to go back to Android.
Thanks in advance from a grateful newbie.
Excellent work RustyGrom!
Thanks for all the hard work! Worked for me on L1520 on ATT.
how do you enter keys
Hi, how do you enter the keys in the reg editor. I keep getting (no permissions or wrong data) errors when trying to write keys. Any help would be appreciated.
Did you do the steps in the second link (to hijack the P4D app)? Just installing the app won't work.
Help, need to tether
I have the phone dev unlocked, custom pfd is installed on sd card as well as pfd from store. when I run custom wpsystem nothing happens. When I open the reg editor, it says "you can't right here" I entered the path in registry tree. hit the plus button and attempted to write key but then I get the previous error message. Can you help I'm new to Windows Phone . It is a Nokia Lumia 635 from cricket 8.1 os version 8.10.12400899. Thanks in advance for any help.
---------- Post added 25th April 2015 at 12:40 AM ---------- Previous post was 24th April 2015 at 11:45 PM ----------
Oh by the way, I did attempt steps in the second link. But I didn't see any of the mentioned files anywhere. Could you tell me how to get to them. Thanks
Got custompfd installed, made reg tweaks, internet sharing shows up in settings, but nothing happens when selecting it. Only issue during setup that got me was the fact that I needed to remove the extra \ in the paths. Is there something that can apply the reg file? I ended up doing it all manually.
Lumia 640 Denim on Cricket
Tethering on cricket/throttlingbypass?
So.. if anyone has read cricket's ToS they say if you tether and they detect tethering they will redirect you to their page for tethering plans and may suspend your phone plan or terminate it. I haven't heard anything as far as bypass throttling in their ToS so I don't know if that is punishable or not as it's not in the ToS. Has anyone done any of these things with an interop unlocked lumia? if so, has cricket responded at all or do they really not care? I am curious because I want to tether in order to play my games on my laptop, etc etc. I go to jobcorps and they don't have any wifi whatsoever. I know there is metropcs with a 60 dollar unlimited plan with 6gb of free tethering though we get 2g from metro over there. it kind of defeats the entire purpose. if anyone has information please let me know. I'd love to see what i can and cannot do with cricket. my phone is already unlocked with reg editing and all so i'm good to go.
Cricket
I'm unlocking internet sharing on my buddy's Lumia 630 tomorrow and he's on cricket.
He know's the risks but all I can say is the carrier's are cracking down on tethering.
Sprint kicked me off after 4 years of tethering with my wp7 sprint arrive in May.
If Metro has all T-Mobile stuff (I heard that but don't really know) then I can be a little helpful.
I have unlimited 4G data on phone with 7GB of 4G internet sharing then it's throttled
speedtest is 17 -27 mb/s down depending on time of day
throttled is 0.12mb/s down
my kids have 1GB of 4G of data and then throttled down
If I use WPTweaker and then Force LTE tweak it bypasses the 1GB limit on the internet on the phone.
(The speeds when downloading from the store are still throttled though)
When it comes down to the internet sharing throttle that seems a bit tougher
Based on the registry it has a bunch of optional fields that "entitle internet sharing" but even removing those does not seem to take off the cap
https://dev.windowsphone.com/en-US/OEM/docs/Customization/Internet_sharing__hotspot_
My guess is this .dll is what is checking the account but this is as far as I got if anyone wants to take a peek
Hey guys, I also have lumina 635 on cricket.
This entire page is like alien language to me...is there any way you can help me out with a literal step by step or YouTube?
vartanarsen said:
Hey guys, I also have lumina 635 on cricket.
This entire page is like alien language to me...is there any way you can help me out with a literal step by step or YouTube?
Click to expand...
Click to collapse
Hi, vartanarsen!
To deploy apps, you need to register as a dev and unlock your phone:
1) Open http://apps.windowsstore.com/ and click "start new"
2) Log on
3) You're registered as a dev now!
4) Download WP 8.1 SDK
5) Use Windows Phone Developer Registration 8.1 to unlock your phone
6) Use Windows Phone Application Deployment 8.1 to deploy your app
To interop unlock your phone, you can look at this thread, which includes full tut on how to interop unlock: http://forum.xda-developers.com/win...-vcreg-lumia-reg-editor-live-interop-t3135326
Now you can use WPTweaker to enable it.
THANK You
When I log into the MS website, all i see is Web App Template, no SDK
And, real real stupid dummy question - am I doing this on my Lumia 635 or on my PC?
vartanarsen said:
THANK You
When I log into the MS website, all i see is Web App Template, no SDK
And, real real stupid dummy question - am I doing this on my Lumia 635 or on my PC?
Click to expand...
Click to collapse
You need to instal visual studio 2013 to get SDK 8.1: https://dev.windows.com/en-us/develop/download-phone-sdk
(Alternative lite SDK download here: https://docviewer.yandex.com/?url=y...Lite.zip&name=SDK 8.1 Lite.zip&c=55c0c0843188)
Apps deployment need to be done on pc while interop unlock on phone.
mlleemiles said:
You need to instal visual studio 2013 to get SDK 8.1: https://dev.windows.com/en-us/develop/download-phone-sdk
(Alternative lite SDK download here: https://docviewer.yandex.com/?url=y...Lite.zip&name=SDK 8.1 Lite.zip&c=55c0c0843188)
Apps deployment need to be done on pc while interop unlock on phone.
Click to expand...
Click to collapse
Thanks!!, will it worl with the LIte? or must I purchase visual studio 13?
vartanarsen said:
Thanks!!, will it worl with the LIte? or must I purchase visual studio 13?
Click to expand...
Click to collapse
If you don't want to install the whole big vs 13 you can absolutely install the lite sdk.
mlleemiles said:
If you don't want to install the whole big vs 13 you can absolutely install the lite sdk.
Click to expand...
Click to collapse
Thanks so much for helping me, is there a reason I keep getting this error?
Ok guys, I downloaded full Visual Studio...but now I dont know what to do next? There is no button to download WP 8.1 SDK
Oh i see where I went wrong, I downloaded Visual Studio 15 instead of Visual Studio 13....uninstalling 15 and installing 13
ok, now I launched Visual 2013, and still dont know what to do next PLease someone help me

[Q]t-mobile wifi calling on unlocked device

Good afternoon everyone,
I picked up a Nokia Lumia 830 (RM-985) to use with T-Mobile. It's a good phone, but one of the reasons that I bought it was to play with the software on it.
My current challenge is to install and make functional the T-Mobile Wifi Calling feature.
I had a Lumia 925 before, but it's toast and gone now unfortunately, so I can't get any information from it.
I modified the registry using vcREG, changing /System/Platform/DeviceTargetingInfo/PhoneManufacturerModelName to RM_892_nam_tmous_201. My logic behind this was that possibly the app operated like the Insider Preview app, and allowed only phones with a certain list of names to download and set it up. This didn't work (surprise)
Doing some more research, it seems that one of the potential (and only) ways to get Wi-Fi calling would be to flash a custom T-Mobile ROM onto the phone because there are some things 'baked in" that allow it to work and function correctly. Outside of that, perhaps it's possible to root the phone and add those files and functionalities in the registry.
THE QUESTION
Where can I get a ROM that will help me achieve this, and is this possible at all?
I don't know about getting a ROM for it, though if you can download one of the TMoUS-specific ROMs you may be able to extract the required files out of the image. The app for WiFi calling is really not the important part; it's just a control interface that interacts with the system service that handles the driver that does WiFi calling. You need the driver/service binaries, the phone needs to trust them (accept their signatures and have them installed in the correct locations), and the relevant service registry keys need to be set.
I haven't done this yet myself, but it's something I want to test. I have a Lumia 1520, so anything I find will probably be workable for you too.
GoodDayToDie said:
I don't know about getting a ROM for it, though if you can download one of the TMoUS-specific ROMs you may be able to extract the required files out of the image. The app for WiFi calling is really not the important part; it's just a control interface that interacts with the system service that handles the driver that does WiFi calling. You need the driver/service binaries, the phone needs to trust them (accept their signatures and have them installed in the correct locations), and the relevant service registry keys need to be set.
I haven't done this yet myself, but it's something I want to test. I have a Lumia 1520, so anything I find will probably be workable for you too.
Click to expand...
Click to collapse
I have the TMOUS 925 FFU file. How do I get in there and where would I look?
I don't usually do anything with ROMs, so I'm not the ideal person to answer this, but I know there are tools to unpack FFUs or convert them to VHDs or something like that. You could also just try 7-Zip (get the latest build, pre-release if they have one); I vaguely remember hearing they were adding support for some ROM image format(s).
bahgelsson said:
I have the TMOUS 925 FFU file. How do I get in there and where would I look?
Click to expand...
Click to collapse
This thread here for browsing .FFU
http://forum.xda-developers.com/showthread.php?t=2066903
And some files from T-Mobile Lumia 635 to get you started...
Did you ever get to add Wifi Calling added to your phone
Where you able to get Wifi calling on your phone? If it was useful, how or where did you get the TMOUS 925 FFU file? What are the steps involved?

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