At that said date, you can have a free one Ghuolish Goodies donut from them and Go Nuts Donuts. All you need is to like Xiaomi Philippines Facebook page & send a private message with your mobile number so that they can send you a text message that contains a claim voucher.
There are some rules that you must know. Its one FB user = one Mi phone = one donut. For Redmi 1S users, you can only provide one mobile number. Go Nuts Donuts will only honor text vouchers shown from a Xiaomi phone and the donut can only be claimed this October 31 at their participating branches below:
SM Malls: Lipa, Sta. Rosa, Southmall, Makati, Megamall, Mall of Asia, Manila, Sta. Mesa – 2nd floor, Sta. Mesa – Food Court, San Lazaro, North EDSA – The Block, North EDSA – Bridgeway, Baliwag
Also in: Metro Gaisano Supermarket ATC, Robinsons Place Manila, Sta. Lucia, Shopwise Arcade Cubao, Bridgeway Cubao and Market Market
Source: Xiaomi