After reset would my phone return to 8.1?

[WPCentral Question]

i have updated my phone to 8.1, it's getting hang, i want to know would it return to window 8 if i reset it?

 

[N_LaRUE]

re:

No. Once you update you stay at that update.

If you're having issues and you have a PC and internet connection I'd recommend using this software instead. It installs a fresh firmware.

FAQ - How can I recover/reset/restore my phone software? - Microsoft - USA

It's better than a hard reset in my opinion.