BI4MIG Moonlight vr2bb Essentially, there are many firmware versions available, and even a flashing program is prepared. You can simply plug it in and use the online version to flash it directly.
Felix First, we need to clarify which firmware you want to download. The original firmware is available on the official website. The initial open-source firmware and the firmware from losehu are both available on GitHub.
Felix BG4JHP I just saw that someone upstairs replied. Searching on GitHub for "uv-k5" yields a lot of resources. The firmware developed by losehu大神 was also based on previous open-source code, but with added integrations and innovations. https://forum.hamcq.cn/d/630/32
BD4XZC http://www.hamskey.com/ (The one related to CEC's FT-8 update, version 0.3Q) https://www.universirius.com/en_gb/preppers/quansheng-uv-k5-manuale-del-firmware-ijv/ (IJV's)