User Manual
Page 28
However, please always contact the authorized dealer or service center for the upgrade service due to any attempt to replace the components of the product may be noticed that the memory, hard disk drive, optical storage drive, and battery pack preinstalled in the product users purchased may cause the warranty void. Introductions 2-8 Upgrade and Warranty Please be replaceable and upgradable by user's request.
However, please always contact the authorized dealer or service center for the upgrade service due to any attempt to replace the components of the product may be noticed that the memory, hard disk drive, optical storage drive, and battery pack preinstalled in the product users purchased may cause the warranty void. Introductions 2-8 Upgrade and Warranty Please be replaceable and upgradable by user's request.