I have taken the time to Update the custom firmware on this radio to the latest Egzumer v0.22 this radio has a lot to offer. Too many to mention but just look up on google and read the Egzumer v0.22 manual and see what this firmware can do and what actions you can perform when installed as well as installing the firmware I have programmed this radio with local repeaters and all the simplex channels both VHF & UHF plus PMR channels. all this for £28 and you still memories to add your own channels or frequencies
The Quansheng UV-K5(99) is a cosmetic and iterative update to the original Quansheng UV-K5 and UV-K5(8). While it is often marketed as an "upgrade," the internal motherboard and core hardware are identical to the UV-K5(8), meaning it remains highly compatible with the same custom firmwares and hardware mods that made the series popular.
Key Differences & Features
Cosmetic Facelift: The UV-K5(99) features a new plastic front plate, replacing the metallic mask found on the UV-K5(8).
Colour Options: It is available in multiple colours, including Gray, red, blue, and yellow.
Display: It typically uses the orange/amber backlight found in the UV-K5(8), rather than the white or blue of the original UV-K5.
Physical Build: Users have noted that the buttons on the "99" model are less "squeaky" than the "8" version, though the overall chassis may feel slightly lighter.
Performance and Compatibility
Frequency Range: Like its predecessors, it supports wideband reception (typically 50–600MHz stock) and includes the Air Band (AM) for aviation monitoring.
Custom Firmware: Because it uses the same CPU and motherboard as the UV-K5(8), you can install popular third-party firmwares like Egzumer or IJV to unlock features like a spectrum analyzer, expanded frequency ranges, and improved scanning speeds.
Charging: It retains the USB-C charging port on the battery, which is interchangeable with other K5/K6 series batteries.