Galaxy Z Flip4
Release F721BXXSBIZD1
ECUADOR · ECOAndroid 16Built 4/1/2026Release information
The software versions and region covered by this firmware update.
F721BXXSBIZD1F721BOWOBIZB6 ECUADORECUADOR · CSC ECO · 1 carrier in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
Claro74001NWIDNW00243