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A546EXXSMFZH5 is an Android 16 firmware build listed for the Samsung Galaxy A54 5G (SM-A546E), released on September 10, 2026, with the August 5, 2026 security patch. It is not the newest build in Samsung’s update history: that page lists A546EXXSNFZI1, released September 24 with the September 5 patch. Whether either update is available to a particular LYS handset must be checked on the phone.
What A546EXXSMFZH5 includes
Samsung’s official SM-A546E update history identifies A546EXXSMFZH5 as an Android 16 update released on September 10, 2026, with security patch level August 5, 2026. Samsung describes the change as security-focused: the device is protected with improved security. The update-history entry does not specify additional feature changes.
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These details apply to the listed model, SM-A546E. A firmware string alone does not establish compatibility with another Galaxy A54 model or a different regional configuration.
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What LYS means for this listing
SamMobile’s third-party archive associates the LYS listing with the United Arab Emirates. Its entry gives the PDA/AP build as A546EXXSMFZH5 and the CSC build as A546EOJMMFZH5. Samsung’s official update-history page confirms the build and model, but does not identify LYS as UAE; that regional mapping comes from the archive, not Samsung.
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For this archive entry, SamMobile reports a build date of August 20, 2026, a changelist of 33505653, and a download size of 7.7 GB (8,268,561,515 bytes). Those are third-party archive metadata, not a Samsung recommendation to download or manually install the package.
Is A546EXXSMFZH5 still the latest build?
No. Samsung’s SM-A546E history lists a later build, A546EXXSNFZI1, released September 24, 2026, with the September 5, 2026 security patch. SamFW’s LYS listing also shows that later build. These listings establish that a newer build was recorded; they do not prove it has reached every handset.
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| Build | Evidence and listing | Release date | Android version | Security patch |
|---|---|---|---|---|
| A546EXXSMFZH5 | Samsung official SM-A546E history; LYS archive rows on SamMobile and SamFW | September 10, 2026 (Samsung) | Android 16 (Samsung) | August 5, 2026 (Samsung) |
| A546EXXSNFZI1 | Samsung official SM-A546E history; later build also appears in SamFW’s LYS listing | September 24, 2026 (Samsung) | Not stated in the cited Samsung entry | September 5, 2026 (Samsung) |
How to check your phone’s update status
- On the Galaxy A54, open Settings.
- Tap Software update.
- Tap Download and install and follow the on-screen result.
Samsung advises users to keep the device up to date and check regularly. Its update note cautions: “The exact changes may differ depending on your device model, country, and service provider.” Availability can therefore depend on the handset’s model, region, and service provider; the archive listing is not confirmation that a particular phone can receive this update over the air.
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- 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 𝗧𝗶𝗽𝘀: This case has a 2-in-1 polycarbonate front cover, frame, and back cover. 𝗖𝗿𝘂𝗰𝗶𝗮𝗹𝗹𝘆, 𝗱𝗲𝘁𝗮𝗰𝗵 𝘁𝗵𝗲 𝗳𝗿𝗼𝗻𝘁 𝗰𝗼𝘃𝗲𝗿 𝗳𝗶𝗿𝘀𝘁. After applying the film, install the front cover onto your phone. 𝗜𝗳 𝘆𝗼𝘂 𝗲𝗻𝗰𝗼𝘂𝗻𝘁𝗲𝗿 𝗱𝗶𝗳𝗳𝗶𝗰𝘂𝗹𝘁𝗶𝗲𝘀 𝗶𝗻𝘀𝘁𝗮𝗹𝗹𝗶𝗻𝗴 𝗶𝘁, 𝗰𝗼𝗻𝘁𝗮𝗰𝘁 𝗰𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝘀𝗲𝗿𝘃𝗶𝗰𝗲
- Tempered Glass Screen Protector : The Samsung Galaxy phone case presents [2 Packs] advanced HD clarity 9H hardness ultra resistant tempered glass screen protector. The Samsung Galaxy A54 5G phone case front cover provides 360-degree all-round protection for your phone, effectively prevents screen scratches, supports fingerprint recognition, and improved touch-smooth surface for better handheld experience.
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Which source supports each detail?
- Samsung’s SM-A546E update history is the primary source for the target build, Android version, release date, patch level, security-focused changelog, later build, and rollout caveat.
- SamMobile’s LYS firmware archive supplies the LYS-to-UAE mapping and target package metadata, including the CSC string, build date, changelist, and file size.
- SamFW’s LYS firmware listing provides secondary archive corroboration for the target and later build rows.
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