Apple sent invitations for the event in San Francisco on October 15. The invitation reads: “We still have a lot to cover.”

The iPad remains the largest-selling tablet, according to surveys. But the rivals are eroding iPad’s market share by using the Google Android operating system. It’s still unclear what new features and modifications could find their ways into the next iPad Mini. The users are expecting additional features such as higher-resolution screens, cameras and thinner and lighter dimensions.

The new line-up of iPads is expected to compete with latest tablets from and Samsung. The iPhone maker has come under pressure over the past year to preserve market share and bolster sales against rivals that are rapidly raising capabilities and lowering prices.