qemu-pmb887x — Siemens/LG phone emulator (WASM)

press “Start” to boot

Keyboard

Boot Fullflash preset fullflashes download when you press Start, then stay cached in the browser My own file (.bin) LG phones: also pick the .cfi-efa sidecar (their EEPROM lives in the EFA block) Device IMEI (15 digits → OTP1) ESN (8 hex → OTP0) SIM Operator (MCC+MNC) Startup writable flash (lets firmware modify the .bin in memory)

Serial log (-serial file:/serial.log)

Everything runs locally in your browser: qemu (arm-softmmu, TCG interpreter) compiled to wasm64 with emscripten, driven by a small -display wasm backend. The physical keyboard works too: arrows / Enter / F1–F9 / digits / numpad +−*/ / Backspace.