Samsung will ramp up curved screen devices full of advanced tech that’s tough for rivals to replicate.
Analysts say Samsung's retreat reflects the growing competition from Chinese manufacturers.
Thugs stole truckloads of smartphones, tablets and notebook computers valued at $6.3 million.
Samsung Electronics Co Ltd has replaced the head of its mobile design team, Chang Dong-hoon.
Samsung said it expected stronger earnings as a pickup in sales of high-end televisions and smartphones.
The company also vowed to invest in new technology and boost marketing.