CSC Region
Samsung BTU CSC Firmware & Galaxy Updates
Samsung BTU CSC covers United Kingdom, Europe (Open (unbranded)). UK open-market devices. Track Samsung BTU firmware releases, Galaxy updates and security patches.
Latest BTU firmware
| Galaxy S25 Plus | SM-S936B | Pending | BTU | United Kingdom | 16 | 8.5 | 01 Aug 2026 | One UI Update | Verified |
| Galaxy A16 5G | SM-A166B | Pending | BTU | United Kingdom | 16 | 8.0 | 01 Jun 2026 | One UI Update | Reported |
Devices using BTU
About Samsung BTU
The BTU CSC (Consumer Software Customisation) code is used by Samsung Galaxy devices sold in United Kingdom. It is associated with Open (unbranded).
Galaxy devices on the BTU CSC receive firmware updates on Samsung's regional rollout schedule. The same device model on a different CSC may receive updates at a different time.
Frequently asked questions
- What does the Samsung CSC code mean?
- A CSC (Consumer Software Customisation) code identifies the sales region or carrier customisation applied to a Galaxy device. It controls which firmware branch the device receives and can affect update timing and features.
- Can I change my CSC to get updates faster?
- Cross-flashing between CSCs is a specialist operation with real risk and is not something we recommend to general users. It can void warranties and prevent future official updates.
- Why do neighbouring countries get updates at different times?
- Multi-CSC firmware bundles several regions into one package, and market approval schedules differ, so neighbouring countries can receive updates at different times.