Blog
Field notes and build guides
Hands-on hardware and cellular-security write-ups. Every command is one that actually ran on the device.
Field build · working solution
Rayhunter on a HiMI MSM8916 Dongle
Turning a cheap HiMI-firmware 4G USB dongle (Qualcomm MSM8916) into a self-contained EFF Rayhunter IMSI-catcher detector that boots, auto-starts and records on its own from any power bank.
OpenStick build guide · MSM8916
Flashing Debian onto the HMUF02-V05 4G Dongle
A no-steps-skipped walkthrough for turning a ~$10 HiMI UFI MSM8916 4G LTE Wi-Fi dongle into a 64-bit Debian Linux computer, done entirely from a Raspberry Pi over SSH, with a full calibration backup so your IMEI survives.