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VK Capsula Mini reverse engineering

Evidence-first reference for the Amlogic A113X VK Capsula Mini userspace: boot and storage, provisioning, audio, display, USB/network access, OTA, and VK-specific services.

Device under analysis

Property Observed value
Model Capsula Mini, late Amlogic revision
SoC Amlogic A113X, AArch64
Kernel Linux 4.9.113, PREEMPT, built 2025-03-03
Bootloader U-Boot 2015.01
Firmware 44.90
Active slot _a, both slots bootable
Serial 0391A7833C80D66D
LAN address 192.168.88.66

The source device is running a third-party root SSH package. Live files are compared against a pre-jailbreak NAND capture so stock mechanisms are not confused with later modifications.

Reading guide

  • Observed: measured from the device, a dump, or a captured command.
  • Decompiled: derived from disassembly/decompilation and named functions or offsets.
  • Inferred: a reasoned explanation that fits the evidence but is not independently proven.
  • Unknown: not yet established; no claim is made.

Start with methodology, then boot and storage. The binary index is the fastest route to a particular executable.

Evidence layout

  • firmware/live/: read-only dump of the live userspace.
  • firmware/manifest/: environment snapshots, hashes, and acquisition scripts.
  • docs/: narrative MkDocs chapters.
  • site/: generated HTML, deliberately separate from source.