Update Tracker
Samsung Galaxy Firmware Updates
Samsung Galaxy firmware updates are delivered over the air (OTA) in staged rollouts and through Samsung Smart Switch. Each update may include a new Android version, a One UI update, security patches, bug fixes, or carrier-specific changes. The timing and content of an update depend on your device model, CSC code, and carrier.
Updates do not reach all devices simultaneously. Samsung typically rolls out firmware in waves — first to open-market (unbranded) devices in select regions, then to carrier-locked variants. The same device may receive an update in one country weeks before it appears in another.
This tracker independently monitors firmware update activity across the Galaxy lineup and labels each record as Verified, Reported, or Expected.
How firmware updates are delivered
Samsung delivers firmware updates via two primary channels: over-the-air (OTA) updates pushed directly to devices, and Samsung Smart Switch for PC/Mac. OTA updates are staged by CSC region and arrive automatically when available for your device. Smart Switch allows you to check for and install updates manually via a connected computer.
Update rollout stages
A typical Samsung firmware rollout begins with a small initial wave, expands to broader regions over days or weeks, and eventually reaches carrier-locked variants. Security patches usually arrive monthly for supported flagship devices and quarterly for mid-range models. Major Android updates and One UI updates follow a longer rollout cycle tied to Samsung's release schedule.
Why updates vary by region and carrier
Each Galaxy device has a CSC (Consumer Software Customisation) code that determines its region and carrier configuration. The same device model — for example the Galaxy S26 Ultra — may have different CSC codes for different countries and carriers. Firmware is compiled and tested per CSC, so an update available on one CSC may not be available on another for weeks.
Frequently asked questions
How often does Samsung release firmware updates?+
Samsung releases monthly security patches for supported flagship devices and quarterly patches for many mid-range models. Major Android and One UI updates are released on a separate annual cycle tied to Samsung's software roadmap.
Why hasn't my Samsung phone received an update?+
Updates are staged by region and carrier. Your device may be on a CSC code that has not yet received the rollout, or your carrier may be conducting additional testing. You can check for updates manually in Settings > Software update or via Samsung Smart Switch.
Do Samsung updates vary by country?+
Yes. Samsung firmware is customised by CSC region code. The same device model in different countries may receive different firmware versions, features, and update timing.
Can I manually check for Samsung firmware updates?+
Yes. Go to Settings > Software update > Download and install on your device, or connect to Samsung Smart Switch on a computer to check for available updates.
What is the difference between OTA and Smart Switch updates?+
OTA (over-the-air) updates are pushed directly to your device wirelessly. Smart Switch updates are installed via a USB connection to a PC or Mac. Both deliver the same firmware but Smart Switch can sometimes access updates before they reach your device's OTA channel.
Related resources
SamsungFirmware.com is an independent information resource and is not affiliated with Samsung Electronics Co., Ltd. Firmware availability may vary by device model, country, carrier and region. See our editorial policy.