https://hackaday.com/2023/07/06/inexpensive-ham-radio-gets-upgrades-thanks-to-a-trojan/
https://hackaday.com/2023/06/23/easy-modifications-for-inexpensive-radios/
https://quansheng-radio.blogspot.com/2023/06/exploring-experimental-firmware-for.html
Quansheng Homepage: http://en.qsfj.com/
https://github.com/amnemonic/Quansheng_UV-K5_Firmware
https://github.com/sq5bpf/uvk5-reverse-engineering
https://github.com/fagci/qs-uvk5-firmware-modder
https://github.com/Tunas1337/UV-K5-Modded-Firmwares/releases/tag/v0.1
https://mikhail-yudin.ru/notes/quansheng-uv-k5-opyt-raboty/
YT Video: TROJAN Mods for the Quansheng UV-K5 from Chanel Ham Radio TX
YT Video: Open UV-K5, Tiago A Oliveira - PY4ROE
About BEKEN Chip: https://github.com/pu2clr/BK108X