Galaxy Z Fold4
Release F936BXXSBIZB6
Czech Republic · O2CAndroid 16Built 2/13/2026Release information
The software versions and region covered by this firmware update.
F936BXXSBIZB6F936BOXMBIZB6 Czech RepublicCzech Republic · CSC O2C · 1 carrier in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
O 223002NWIDNW02029