If you already have an ESP‑01 or ESP‑12, you can skip the separate USB‑to‑TTL cable because those boards have built‑in USB‑serial converters (via a FTDI/CH340 module).
Unauthorized keys may cause the software to corrupt data during recovery. Legal/Ethical: It violates Runtime Software ’s licensing terms. Safe Alternative: The modern, recommended solution is GetDataBack Pro getdataback 433 serial txt link
: Cracked software does not receive official security updates or technical support from the developers. Reliable Alternatives If you already have an ESP‑01 or ESP‑12,
Available on the same Downloads Page . Regarding Serial Keys and ".txt" Links getdataback 433 serial txt link