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Security·Aug 09, 2026

Building Kali NetHunter for the POCO M4 5G Without Guessing

What it took to bring NetHunter to Xiaomi's MediaTek-based POCO M4 5G—from an unsafe first kernel build to working HID and external Wi-Fi.

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Device: POCO M4 5G
Kernel: Linux 4.19.191
Status: Validated v0.1.0 reference build

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IoT·Aug 09, 2026

Dumping a Bricked CP Plus E31A Camera and Pulling Its Firmware Apart

A practical walkthrough of dumping my own bricked CP Plus E31A IP camera with a CH341A, extracting its SquashFS and JFFS2 partitions, and mapping the boot flow, Tuya storage, and sensitive config areas.

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Device: CP Plus E31A
Flash: Winbond 8 MB SPI NOR
Programmer: CH341A with SOIC clip

From the workbench

Equipment with documented project use.

Gear register

01CH341A USB Programmer

A USB programmer for 24/25-series EEPROM and SPI flash chips, with SOIC8/SOP8 clip support for reading, writing, erasing and verification.

View record →02Raspberry Pi 5 8GB

A 2.4 GHz quad-core Arm single-board computer with 8GB RAM, dual 4K display output, wireless networking, Gigabit Ethernet, USB 3.0 and GPIO expansion.

View record →03Raspberry Pi Zero WH

A compact 1 GHz Linux single-board computer with 512MB RAM, Wi-Fi, Bluetooth, camera connectivity and a pre-soldered HAT-compatible GPIO header.

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