Here is a list of Samsung devices, which received a software update from May 12th to 16th. Specifically, it concerns Galaxy A54, Galaxy S21 SE, Galaxy Tab S9 EF, Galaxy S25, Galaxy A53, Galaxy Watch5, Galaxy Watch5 Pro a Galaxy Watch FE.
On the phones Galaxy A54, Galaxy S21 FE and tablet series Galaxy Tab S9 FE Samsung has started releasing a stable update One UI 7 OR Galaxy A54 carries the firmware version A546SKSU9DYD7, it includes the April security patch and was first received by users in South Korea, Galaxy S21 FE green G990EXXUDGYD4 (version with Exynos chipset) a G990BXXUBHYDB/G990B2XXUBHYDB (Snapdragon chip version) and is currently spreading across Europe and Galaxy Tab S9 FE green X516NKOU7CYE1 (Galaxy Tab S9 FE) a X616NKOU7CYE1 (Galaxy Tab S9 FE+), It includes the April security patch and was the first to be available in Samsung's homeland.
When it comes to phones Galaxy S25 to Galaxy A53, they have started receiving the May security update. For the series Galaxy S25 comes with firmware version S931BXXS3AYDA (Galaxy S25), S936BXXS3AYDA (Galaxy S25+) a S938BXXS3AYDA (Galaxy S25 Ultra), It is about 700 MB and is now spreading in Europe and Galaxy A53 with version A536BXXSEEYD9 and was the first to "land" on the old continent.
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Regarding smartwatches Galaxy Watch5, Galaxy Watch5 Pro a Galaxy Watch FE, the Korean giant has started releasing the March security update for these. U Galaxy Watch5 and Watch5 Pro carries a firmware version ending in CYCD au Galaxy Watch FE version ending in BYCD and was the first to arrive in Europe. The update includes unspecified stability improvements.