R Series Update Program V2

Date: April 18, 2026
Prepared by: Systems Engineering Team
Subject: Execution summary of Update Program v2 for R Series platforms


1. Optimized Delta Patching In the past, updates meant downloading large files that took time and bandwidth. With v2, we have implemented a new delta-patching system. Instead of replacing entire files, the updater now only downloads the specific binary differences (the "deltas") between versions.

2. Intelligent Rollback Protection We understand that stability is your top priority. v2 introduces a "Sandbox Verification" step. Before an update is fully committed to your system, it is verified in a temporary state. If an error is detected during the installation process, the system automatically reverts to the previous stable version without requiring user intervention. r series update program v2

3. Over-the-Air (OTA) Resilience Connectivity issues during updates are a thing of the past. The new program features a robust pause-and-resume architecture. If your connection drops or power is lost during a download, the update will seamlessly resume exactly where it left off once the connection is restored.

4. The Unified Changelog Version 2 brings a consolidated changelog feature directly to your notification panel. You no longer have to check the forums to see what changed. Detailed security notes, bug fixes, and feature additions are now displayed within the updater UI prior to installation. Date: April 18, 2026 Prepared by: Systems Engineering

| Component | v1 Baseline | v2 Update | |-----------|-------------|-----------| | Kernel version | 5.4.83 | 5.10.120 | | Bootloader | U-Boot 2020.01 | U-Boot 2023.04 | | Filesystem | SquashFS 4.0 | SquashFS 4.5 + dm-verity | | Update mechanism | Full image only | Delta + full fallback | | Fallback retention | 1 previous version | 2 previous versions | | Secure boot | Disabled | Enabled (optional) |

New features enabled:


After reboot, the R Series Update Program v2 will automatically re-connect and perform health checks:

The device status will change from “Updating” to “Stable – v2.5.0”. Date: April 18