
Installing switchless region changer mod and triple bypass. I would say this is an advanced mod, not too difficult in general, but you have to solder to a tiny vias and traces. There are also a few traces to cut and IC legs to lift, but these are simple with proper tools.
Switchless region changer mod
Here is a link to a shop https://www.consolesunleashed.com/product/sega-mega-drive-model-2-switchless-region-igr-dual-frequency-oscillator-mod-kit/
Mod Kit Includes:
- 1 x Mega Drive 2 Switchless Region / In-Game-Reset / Dual Frequency Oscillator Mod-board
- 1 x Surface Mount LED Board with Red(Yellow)Green LED
Features:
- Multi-region (Region free)
- Change region or reset using the control pad
- 50/60Hz video rate selection for full speed, full screen gaming
- English / Japanese language selection (dependent on game)
- Pads for Mega CD MultiBIOS
- Works with both active high and active low reset
- Outputs accurate clocks for multi region systems

JP3 had a jumper installed on my board, this was not mentioned in instructions, but I assumed I had to remove it.
I had to cut some bottom shielding below the first controller because it would cut those green cables a bit and short to ground…
Triple Bypass Version 2
The original sound quality of this Mega Drive 2 was terrible. Back in the day kids of course did not notice such a thing, but now with proper speakers it is evident how bad was the sound quality on some models. This also improves video quality, but that was less of a problem IMHO.
Link to a shop https://stoneagegamer.com/triple-bypass-version-2-for-sega-genesis-mega-drive-version-2.html
Here is a very good tutorial on installing this mod https://consolemods.org/wiki/Genesis:Triple_Bypass_Mod_Model_2_VA0


Why does this joystick has dpad problems?
Just look at this. I wonder what they were thinking designing this…

