[h2]Tổng hợp link download Rom Stock ZenFone 3 Ultra ZU680KL (A001)[/h2] V13.6.6.17 (2016/07/29) - Download: UL-ASUS_A001-WW-13.6.6.17-user.zip (1.61 GBytes) - Changelog: 1)Camera performance improvement 2)System performance improvement 3)Audio related performance improvement