Originally Posted by makinaking
hi all i want to install Samsung Diagnosis On my Nokia Lumia 620
(Maybe the unlock procedure for Ativ S worked for me by @Good Day To Die
with proxy i can't install it on my phone so i found the windows phone.com Link and download .XAP file from there !
then i go to Deploy Application of SDK8.0 ( MY phone is Dev. Unlock !) and want to deploy app then it said to me :
i tried this with multiple XAPs downloaded from windowsphone.com but nothing changes !
it works for unsigned apps
maybe if we can unsign (or maybe decompile )Diagnosis.XAP we are one step closer to Lumia 620 HACK (JAILBREAK !)
Please HELP !
of course you don't know many things
1. The xap file you downloaded fron wp.com is already unsigned when you want to install an app via sd you should to be connect to the internet then your phone check you live account and then if it is free or purchased app then it get the sign file and pin it to app then install
2. We have the signed and Unsigned diagnosis app from Samsung Ativ S official Rom so we can deploy it on phones but diagnosis app needs interop services (ID_CAP_INTEROPSERVICES) and many other restricted APIs in the other hand if we can deploy it anyway because non-Samsung devices have no FCRouter dll and some other exclusive dlls from samsung we can't use diagnosis .
so we have to find another way to Interop Unlock first then copy samsung dlls using Interop capabalities to other phones then *maybe* we will be possible to use diagnosis.
3.i saw that the diagnosis app in the store is different from what we see in Ativ S.
4. Xaps downloaded from store are encrypted by PlayReady that i didn't find any possible way to decrypt it .
your way tested many times by the proxies here and a proxy that me and mohsen-unique made to change some values in the store that it change paid apps to free and made unpublished apps to live but it didn't work at all.
so don't think about it