SINGAPORE - Stand a chance to win an Asus ZenFone 2 smartphone.

Straits Times Digital is giving away the 64GB model, worth $499, and the 32GB model, worth $429.

The Asus ZenFone 2 packs plenty of great features, including a 5.5-inch full-HD display, 4GB of RAM memory and support for dual 4G SIM cards.

To enter this contest:

1) Simply tell us what you feel are the top three features of Asus ZenFone 2's ZenUI interface.

2) E-mail your entry to stdled@sph.com.sg with the subject header "Asus ZenFone" together with your name, NRIC, and contact number.

The contest ends on Sept 16.

Terms and Conditions:

The contest applies only to Singapore citizens and permanent residents.

Staff of SPH, Asus and their immediate family members are not eligible to participate.

Prizes are non-transferable. The organisers reserve the right to vary the prizes or replace the prizes (in whole or in part), without giving any reason.

Details of the participants will be shared among the organisers of the contest, to facilitate in the selection process.

By entering the contest, participants agree that they have read, understood and accepted the Terms & Conditions in their entirety.

We reserve the right to amend the Terms and Conditions of the contest without prior notice.