when we update to windows 10 mobile does it affect warranty

[Pon Vijay Nirmal]

I buy lumia 640xl and i want to update to windows 10 so when i update to windows 10 mobile built 10166 whether it affect warranty and whats about its battary life in built 10166

 

[advocatew8]

Technically yes it does void warranty but you can always flash back to wp8.1. We are on build 10512 now and from my experience battery life is good on my 930.

 

[mprebich]

There's a very good post here that seems to address this, but not specifically in the case of W10M TP:

http://forums.windowscentral.com/windows-phone-8-1-preview-developers/277081-2.htm#post3212877

Let the discussions begin : )