Samsung Galaxy M55 Receives August 2026 Security Update
- Samsung is slowly rolling out the August 2026 security patch to Galaxy smartphones, prioritizing budget devices such as the Galaxy M55 and Galaxy A04s over its current flagship...
- The tech giant has released the latest security patch for the Galaxy M55 in all countries where the device is available for purchase, as reported by SamMobile.
- According to verified reporting from SammyGuru, the August 2026 security update addresses a total of 56 vulnerabilities identified by Samsung, Google, and their industry partners.
Samsung is slowly rolling out the August 2026 security patch to Galaxy smartphones, prioritizing budget devices such as the Galaxy M55 and Galaxy A04s over its current flagship lineups, according to reports from SamMobile and SammyGuru. While high-end devices await the monthly software deployment, the Galaxy M55 has picked up the latest firmware update across multiple international markets, bringing dozens of critical vulnerability fixes.
Galaxy M55 August 2026 Update Regional Rollout Details
The tech giant has released the latest security patch for the Galaxy M55 in all countries where the device is available for purchase, as reported by SamMobile. According to SammyGuru, the regional distribution spans India, Nepal, Bangladesh, and Sri Lanka. The firmware arrives with build version M556BXXS5DZH1. Users can install the software by navigating to Settings, selecting Software update, and tapping Check for updates.

Security Vulnerability Fixes and Software Roadmap
According to verified reporting from SammyGuru, the August 2026 security update addresses a total of 56 vulnerabilities identified by Samsung, Google, and their industry partners. The Galaxy M55 currently runs on One UI 8.5, which is built on Android 16 QPR2. SamMobile notes that the device remains eligible for Samsung’s upcoming custom Android interface, One UI 9.0, which is based on Android 17 and will deliver numerous system upgrades. Samsung originally launched the Galaxy M55 with One UI 6.1, backing the hardware with a commitment of four major Android operating system upgrades and five years of security patches. Having already received three major OS updates, the anticipated One UI 9.0 release will likely mark the final major platform upgrade for the smartphone. However, Samsung’s software support schedule ensures that the device will continue receiving regular security updates through 2029.

Unexpected Priority Shift Ahead of Flagship Releases
The software deployment schedule has diverged from typical industry patterns by targeting mid-range and budget hardware before premier flagships. SammyGuru reports that the budget Galaxy A04s is simultaneously receiving the August 2026 patch in Southeast Asian markets including Thailand, Vietnam, Malaysia, and the Philippines with build version A047FXXSGEZH2, while mainstream flagship models like the Galaxy S26 and Galaxy S25 series remain queued for the release. SammyGuru notes that the August update is expected to land on non-beta Galaxy S26 devices soon, while the firmware functions as an essential prerequisite for prepping Galaxy S25 handsets for the upcoming One UI 9 beta by bumping the bootloader version.
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