This is only confirmed operating for the AT&T Lumia 1520 and might work as is for different phones however additionally might require tweaks to the XML (see below). It is very doable to brick your phone with this. Your mileage could vary!
From a high level this works by using FiddlerCore to intercept the traffic visiting the Microsoft WPflights server that controls the Insider app and responds with
your own custom data. The app accepts registry editing info from the web responses and acts upon that. This permits us to write down stuff to pick out locations
in the registry. In the case of the Windows 10 Preview, it seems to only look for your phone’s PhoneManufacturerModelName to make a decision if it ought to be
offered previews. Windows Update additionally checks this worth. Different devices like Samsungs or HTCs could want different settings. My phone did revert to
it’s factory values when Windows 10 was installed (I actually assume it may have done it after Windows 8.1 was installed however it continued with 10 nonetheless).
Step 1. For the Lumia 1520 (and other phones?) reset your phone using the [url=”http://www.microsoft.com/en-us/mobile/support/faq/?action=singleTopic&topic=FA142987″]Windows Phone recovery tool. I suggest not logging in and setting everything up nevertheless and just waiting til the top and doing a reset and letting it restore when you’re on Windows 10. This may not be required for your device however most likely is because of the area issue cited by Microsoft. You will see your available space in the About menu of the Windows Insiders app. Before resetting mine was ~200mb and after it absolutely was ~600mb. You will attempt without resetting however could get a blunder after it tries to download and install the update.
Step 2. Install the Windows Insider app on your phone (you will want to own a store account configured)
Step 3. Open the insiders app and visit the about choices in the app bar and screenshot/create notes/email the settings to yourself. You will would like this later.
Step 4. Download and extract the WPInsidersHacks app (attached to this post) to your laptop
Step 5. Start the WPInsiderHacks app on pc, approve any firewall requests half dozen.
Step 6. Connect to the identical WiFi that your PC is on. Edit the settings for the WiFi affiliation to flip on the Proxy and set it to use the PC’s IP address and enter 8877 for the port.
Step 7. Open Net Explorer on your phone and navigate to http://[computer.ip.add.ress]:887seven where [computer.ip.add.ress] is the IP address of the PC running the WPInsidersHacks app
Step 8. Faucet on the link at the bottom to the fiddler root certificate
Step 9. When prompted click open and then install to trust the cert and ok at the confirmation
Step 10. Run the Windows Insider app and faucet get preview builds
Step 11. Faucet on that custom action you’d wish to perform. In my case I hit “Set to ATT Lumia 635” and click on the arrow at the bottom
Step 12. Accept the agreement and click on the check mark at the underside. the app will close
Step 13. Now clear your proxy settings and run the insider app again
Step 14 Tap get preview builds and login with your Microsoft account
Step 15. Select the quick branch (if you’re reading this of course you want the fast branch) and click the arrow at the underside
Step 16. Go into the phone settings and check for updates. With any luck you should have Windows 10 there for you to install. On my AT&T 1520 it had to try to to 8.1 initial however it kept going to 10 once 8.1 put in (had to test for updates once more)
Step 17. You’ll most likely wish to travel into the settings and do another reset and then log into the phone and let it restore your previous data.
The Windows Insider choices are populated from the WPFlights.xml file. Feel free to edit/add stuff. I’ve experimented with writing to other keys but had mixed results. I wasn’t ready to write down to the SoftwareMicrosoftSettings1DEF9B7D-2322-40eb-A007-16A75D5CDA6F as an example (appeared to not just like the curly braces?). It ought to have all the same permissions as the preview for developers app. You may simply want to run the WPInsider app on your COMPUTER and point your phone’s proxy settings to it if you would like to go back and set one thing again (like enabling tethering).
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