K4 Wireless Mechanical Keyboard (Version 2)

Re "Is there any way to boost the brightness of the backlight of the key itself?": Presuming it is already at maximum brightness by Fn + W (or Fn + knob (if the keyboard has a knob)), only by using keycaps with better shine-through characteristics That may be difficult for the south-facing LEDs on t

You can try completely disassembling it, gently polish-cleaning it, and looking for damaged traces or traces bridged by dried debris. Like this: https://imgur.com/a/zebrawood-board-disassembled-cleaning-XDKa8sW This would be the closest replacement: https://www.keychron.com/products/keychron-k4-qmk-

I don’t have as many keyboards as a person in a post, but from what I tried, I was surprised by the quality of evo75. I couldn’t believe how affordable, beautiful and high quality it is. I also suggest you to pay attention to what layout you prefer ISO or ANSI. It is quite important, I absolutely pr

I love my keychron k4 v2 😊 got all my f keys in line with my numbers and no unnecessary space in between the keys

keychron K4 V2 Как не стараюсь, у меня Bluetooth даже не видит её, зато сам моментально подключается, но при этом она вообще никак не реагирует на нажатия

First reset to factory defaults Unspecific, but par for the course is resetting to factory defaults and reflashing the keyboard firmware. Though reflashing the keyboard firmware is risky business for the original K series with proprietary keyboard firmware (which includes the K4 V2). It is a differe

Based on what I could find, the Varmilo Minilo98 Pro seems far and away the closest to what you are looking for. Depending on your definition of too pricey, this might be out of budget. It's $179 US + shipping and fees on the Varmilo web site https://varmilo.com/products/minilo98-pro?variant=4562986

Related: K4 V2 RGB backlight is really weak K3 Pro brightness fix (possibly others) Increase backlight brightness beyond default limit Keychron K1 Max RGB too dim Has anyone tried bumping up LED current and survived to tell the tale? PSA: the LED's on the K3V2 are significantly more dim than the K3V

Re "can you increase the Caps Lock brightness?": Yes, drill a hole in the keycap Or get another keycap with better shine-through characteristics. But that will not be easy. Making the plate underneath more reflective may also be sufficient. The inside of the keycap could also be made more reflective

Nope. What about those people who's bluetooth adapters are away from their case on a hub. I have tried my BT on my MB, a dongle and a dongle on a hub that sits on my desk, about 2m away from my PC. The ONLY way that i get this fucking keyboard (K4 v2) to work as it should is with a cable. Regardless