Dev and Chevron unlock? - Windows Phone 7 Q&A, Help & Troubleshooting

Browsing through the forum, got another unlock INTEROP. Just wanted to ask what all types of unlock are there, Dev, Chevron7 etc and how do these differ from each other?

Dev unlock (also student unlock) are unlocks done via an App Hub membership ($99). These are official Microsoft unlocks and they allow you to deploy 10 apps to your phone (3 for students). Chevron unlock is a cheaper ($9) Microsoft approved unlock that is done via ChevronWP7 Labs. This also allows 10 apps to be sideloaded. Interop unlock is done AFTER one of the previous unlocks. This allows for access to drivers on the phone (more feature rich apps) and is often needed for neat things like registry editing and so forth. Not all phones can currently be interop unlocked so you will have to do research to find out if you can do this type of unlock on your device.

This helps explain a little.

No Interop unlock for Nokia yet

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Windows Phone Developer Registration Program Hack

Hello,
I am a student of Computer Sciene at the University of Udine, Italy.
And recently I have received a AT&T HTC Surround with Windows Phone 7.5.
The problem is always the same. We need to INTEROP-UNLOCK a HTC device.
People greater than me have tried and I do not want to compare to them (I am a noob as stated in the introductory video) but I came up with a sort of idea on trying to develop a new method of interop unlocking.
Since as stated by Heathcliff74 the INTERP-UNLOCK is related to the number of MaxUnsignedApps and the number of max unsigned apps is determined when the Developer Phone Registration program communicates with the server I thought that it could be possible to analyze the behaviour of this app when it communicates with the server and, instead of sending to the phone 3 or 10 send the max number available.
Modifying an exe is a pain so could it be possible to create an emulated server that communicates with Developer Phone registration program by sniffing the connections between the program and the server (I do not know how to do it either since I have just started the network course )?
Maybe it has been already tried but I wanted to tell you anyway since you're great hackers and I am not.
It's a good idea, but I wouldn't hold my breath. This is how the original ChevronWP7 Unlocker hack worked, essentially - you installed a certificate on the phone for a server (normally it uses Microsoft's server and certificate). You then sent the unlock command to the phone and it would try to communicate with the server, but would get the ChevronWP7 server instead, which always said "yes, unlock!"
The catch in your idea is that the fix for ChevronWP7 was to change which certs the unlock process will use - in particular, you can't use user-installed certs anymore - and that means that a user probably can't catch the communication between the phone and the server anymore (which is, I'm sure, where the "value for MaxUnsignedApp" command comes from).
So is the phone that communicates with the server to get the number of apps, not the developer registration program?
Sorry to disappoint you, but it won't work. First of all, it is not the registration-program that communicates with the microsoft server. The registration-program simply send a command to the phone to start the registration process. The phone will contact the Microsoft registration server. The original ChevronWP7 tool spoofed the registration server. Since NoDo this is not possible anymore, because the phone only accepts ssl connections with certified servers (ie servers which have a certificate that roots to a certified authority). The maxunsignedapp is sent over the ssl connection between the phone and the microsoft server, which can't be spoofed or changed with a man-in-the-middle-attack.
Ciao,
Heathcliff74
---------- Post added at 12:57 PM ---------- Previous post was at 12:20 PM ----------
And by the way, Chevron already announced they will release a new Chevron tool, which will do a legit unlock for just a couple of bucks. Just a little more patience.
I have read they launched this now. However how many max unsigned apps till they release and since I have a legit student account on AppHub (I'm a dev) it won't invalidate my account. Just increase the max unsinged apps i think.
Wait for other methods of INTEROP-UNLOCKING.
And thanks to everybody.

Does the 2nd generation WP7 handset can unlock or not?

I found there is a great deal of the new devices of LG,JIL SANDER Mobile LG-E906 ,only 199.99 on expansys.
If there is a way to unlock /jb these devices, it's the cheapest 2nd wp7 that I have found...
Moved to WP7 Q&A
No questions in the development section!!
Please refer to the read before posting for guidelines.
Take it easy
O_G
original_ganjaman said:
Moved to WP7 Q&A
No questions in the development section!!
Please refer to the read before posting for guidelines.
Take it easy
O_G
Click to expand...
Click to collapse
Thanks ,I just want to know are there any other way to JB it ,such as flash the Romer's rom,because I just know the HTC has difficulties to rewrite the SPL.I dont know whether LG is the same as HTC?
I don't believe there are any custom ROMs available for LG Windows phones, though that may be incorrect.
You can certainly developer-unlock the phone; this is possible and supported on all Windows Phone models, whether you use the developer tools or the ChevronWP7 Labs unlocker.
Assuming LG hasn't removed the built-in registry editor from their new ROMs, you can also interop-unlock your phone. This allows installing high-privilege apps. It's not a "full unlock" (and the term "jailbreak" is far too vague) but it does allow some useful capabilities.
GoodDayToDie said:
I don't believe there are any custom ROMs available for LG Windows phones, though that may be incorrect.
You can certainly developer-unlock the phone; this is possible and supported on all Windows Phone models, whether you use the developer tools or the ChevronWP7 Labs unlocker.
Assuming LG hasn't removed the built-in registry editor from their new ROMs, you can also interop-unlock your phone. This allows installing high-privilege apps. It's not a "full unlock" (and the term "jailbreak" is far too vague) but it does allow some useful capabilities.
Click to expand...
Click to collapse
So I can install the XAP which is not verify through the MS, right?
I want to know is it difficulty to make this device's ROM?
If the Jill Sander have the MFG Menue so i think this one is possible.
http://forum.xda-developers.com/showthread.php?t=974874

Unlocking...

Can anyone tell me/point me in the right direction for information on general windows phone unlocking, the types, benefits, etc? Coming from Android, you root it and you can do everything you want. I'm reading about different types of unlocking on WP7. What can you do when you unlock it vs. stock? What are the types of unlocking, etc? I don't see a FAQ or anything on it.
bump.......
you can visit HTTP://www.windowsphonehacker.com for information on the
"WindowBreak InterOp"
That's what I'm currently running on my device. Basically, I use it to install .xap's that are no longer supported, such as metrotube, or to beta test apps, or download apps that modify particular parts of the OS.
Hope that helps some.
That does help a little, thanks. In Android, thee are different methods of rooting but once it is rooted, the access is the same. Why are there different tools that say you get different functionality once unlocked? It also seems a lot are designed for Samsung, and not HTC but I'm thinking of getting the Radar. Are there any negatives of unlocking via a certain method?
bump........
The easiest way to answer this question is simply, do your reasearch.
The only unlock I've done is the WindowBreak InterOp.
Some Unlocks allow deeper rooting than others.
If I had more time, I'd link some for you.
Sorry pal
Here's some more info on Interop unlock:
http://forum.xda-developers.com/showthread.php?t=1271963

[Q] interop unlock on lg 7 for other oem market?

hello everybody, I really can't get modding with windows phone, sorry I've been with android so long and now is all different.
So I have a LG 7 with mango, I want to install the nokia market xap. I just can interop-unlock modifying the registry with the mgf app?
Is a reversible operation?
Thank you
Hi, I'm actually the author of the Nokia Market (and Samsung/LG/HTC/Dell marketplace) XAP. You don't really need interop-unlock; normal developer-unlock works fine.
That said, to answer your question directly:
Yes, you can use the MFG app to dev-unlock (and interop-unlock, if you want) your phone. The steps are available on the Dev&Hacking forum, in multiple places including the interop-unlock thread.
The difference between dev-unlock and interop-unlock from your perspective is the MaxUnsignedApp value - if you put it at 10 (the default for a normal dev unlock) you can install up to 10 homebrew apps (XAP files), and they can't use ID_CAP_INTEROPSERVICES (access high-permissions drivers to break out of the sandbox). If you set it over 300 (most people go for 2,000,000,000 or so) you can install more homebrew apps than you'll ever need to, and they can use ID_CAP_INTEROPSERVICES (which enables some cool hacks, for example the MultiTaskToggle app linked in my signature - it's still compatible with LG just fine). This is referred to as "interop-unlocking" the phone, and must be done after "dev-unlocking" (which is just tweaking a few other registry values).
The whole thing is completely reversible. You can reverse it using the MFG app again, for example. I think you can reverse it using the Developer Registration tool (part of the WP7 SDK, this is the program normally used to dev-unlock a phone). You can, for the "nuclear" option, reverse it by wiping / hard-resetting the phone.
Hope that helps!
a big thank goes to you

Plz developer unlock my LUMIA 710.

how i developer unlock my LUMIA 710 pls tell.
chavronlabs tokens not available.............
other solution like introp unlock ???????????????????
http://create.msdn.com - Marketplace developer (AppHub) account. Costs $99/year, allows 10 unsigned apps, allows 3(?) phones unlocked at once, allows submitting apps to the marketplace.
http://dreamspark.com - Student version of the AppHub account. Free but requires a student email address (.edu). Allows only 3 unsigned apps, and I think only a single phone, but also allows submitting to the marketplace.
http://labs.chevronwp7.com - Hopefully they will be able to sell unlocks again soon.
As for interop-unlock, that's an extra level of unlock beyond developer unlock. On some phones (LG and Samsung without the latest firmware) it's possible to interop-unlock directly (modify the registry without first having developer unlock). On some other phones (HTC with older firmware), it's possible to interop-unlock only after first develop-unlocking. On the rest of the WP7 phones (Nokia, Dell, etc.) it's not currently possible to interop-unlock even if you already have developer-unlock.

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