Windows 10 Technical Preview for phones video guide



Windows 10 for any Lumia phone step by step guide

1. Download the Windows Insider app.
Press ... > about > make sure Sys free space is 300MB or more.
If there isn't enough space, make full reset with Windows Phone Recovery Tool.
2. Go to

Code:

upwp10.chinacloudapp.cn:7777

Download and install certificate.
3. Edit WiFi connection, enable Proxy

Code:

upwp10.chinacloudapp.cn
7777

4. Open Insider app, click get builds
5. You will get Enroll page, do not Enroll yet!
6. Switch to WIFI settings, turn off proxy.
7. Switch to Windows Insider app and now you can enroll for Windows 10 Technical Preview.
Choose Fast option.
8. Check Settings > Phone update.
If it can't find updates, you may need to reboot your phone and enroll again (without a proxy now).

You should not try this guide on any other brand phone than Nokia Lumia.
It won't work on HTC, Samsung and may even brake your phone!
Lumia 5xx does not meet minimum specs for Windows 10 Update.

Windows 10 Technical Preview for phones (9941.12498) on Nokia Lumia 920.



How to revert back to Windows 8.1?

Use official Microsoft Windows Phone Recovery Tool.
It will reflash your phone with fresh Windows 8.1.

You can backup all SMS, settings to Onedrive too.
Settings > backup > check things to backup.

Confirmed working models:
Lumia 1520
Lumia 1320
Lumia 1020
Lumia 930
Lumia 925
Lumia 920
Lumia 920 at&t
Lumia 820
Lumia 638
Lumia 620
Lumia 520

Did not work:
Lumia 530
Lumia 535
Samsung ativ s
HTC 8X

Update 2015-02-22
IMPORTANT!

Update 2015-03-28
Microsoft announced expanded supported device list!

Update 2015-04-10
Official Windows 10 update is out! No workarounds required for:

• Lumia 1020
• Lumia 1320
• Lumia 1520
• Lumia 520
• Lumia 525
• Lumia 526
• Lumia 530
• Lumia 530 Dual Sim
• Lumia 535
• Lumia 620
• Lumia 625
• Lumia 630
• Lumia 630 Dual Sim
• Lumia 635
• Lumia 636
• Lumia 638
• Lumia 720
• Lumia 730
• Lumia 730 Dual SIM
• Lumia 735
• Lumia 810
• Lumia 820
• Lumia 822
• Lumia 830
• Lumia 920
• Lumia 925
• Lumia 928
• Microsoft Lumia 430
• Microsoft Lumia 435
• Microsoft Lumia 435 Dual SIM
• Microsoft Lumia 435 Dual SIM DTV
• Microsoft Lumia 532
• Microsoft Lumia 532 Dual SIM
• Microsoft Lumia 640 Dual SIM
• Microsoft Lumia 535 Dual SIM

Just download Insider app from Windows Store and enroll.