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payload-dumper-rust 🦀

A fast Android OTA payload dumper written in Rust.

What it does

Extracts partition images (boot, system, vendor, etc.) from Android OTA payload.bin files.

This has these features

Parallel extraction - Uses all CPU cores for faster extraction
Works with ZIP files - Extract directly from ROM ZIPs without unzipping first
URL support - Extract from remote URLs, downloading only the needed data instead of the entire file
Cross-platform - Works on Linux, Windows, macOS, and Android (Termux)

Installation

Quick Install

Linux / macOS / Termux:

bash <(curl -sSL "https://raw.githubusercontent.com/rhythmcache/payload-dumper-rust/main/scripts/install.sh")

Windows (PowerShell):

powershell -NoExit -ExecutionPolicy Bypass -Command "Invoke-RestMethod -Uri 'https://raw.githubusercontent.com/rhythmcache/payload-dumper-rust/main/scripts/install.ps1' | Invoke-Expression"

Pre-built Binaries

Download from releases.

Build from Source

cargo install payload_dumper

Or:

git clone https://github.com/rhythmcache/payload-dumper-rust
cd payload-dumper-rust
cargo build --release

Usage

Basic Examples

Extract from payload.bin:

payload_dumper payload.bin -o output

Extract from ROM ZIP (no unzipping required):

payload_dumper rom.zip -o output

Extract from URL (downloads only required data):

payload_dumper https://example.com/ota.zip -o output

Extract specific partitions:

payload_dumper payload.bin -i boot,vendor_boot -o output

List partitions without extracting:

payload_dumper payload.bin --list

Advanced Options

URL extraction with prefetch (better for slow connections):

payload_dumper https://example.com/ota.zip --prefetch -o output

Custom thread count:

payload_dumper payload.bin -t 8 -o output

Export metadata as JSON:

payload_dumper payload.bin --metadata -o output
# Creates output/payload_metadata.json

Full metadata with operation details:

payload_dumper payload.bin --metadata=full -o output

Skip verification (faster but not recommended):

payload_dumper payload.bin --no-verify -o output

All Options

Usage: payload_dumper [OPTIONS] <PAYLOAD_PATH>

Arguments:
  <PAYLOAD_PATH>  Path to payload.bin, ROM ZIP, or URL

Options:
  -o, --out <OUT>              Output directory [default: output]
  -U, --user-agent <AGENT>     Custom User-Agent for HTTP requests
  -i, --images <IMAGES>        Comma-separated partition names to extract
  -t, --threads <THREADS>      Number of threads for parallel processing
  -l, --list                   List available partitions
  -m, --metadata[=<MODE>]      Save metadata as JSON (compact or full)
  -P, --no-parallel            Disable parallel extraction
  -n, --no-verify              Skip hash verification
      --prefetch               Download all data first (for remote URLs)
  -h, --help                   Show help
  -V, --version                Show version

Why extract from URLs?

Instead of downloading a 3GB OTA file to extract a 50MB boot image, this tool downloads only ~50-100MB of required data.

Useful for:

Quick partition extraction without full downloads
CI/CD pipelines
Bandwidth-limited connections

Troubleshooting

"Server doesn't support range requests"
Download the file first, then extract locally.

Out of memory errors
Use --no-parallel or reduce thread count with -t.

Slow extraction
Remove --no-parallel if set. For remote extraction, try --prefetch.

Credits

Inspired by vm03/payload_dumper

License

Apache-2.0

payload_dumper 0.7.9