Redstone) 1 wide T flip-flop in Bedrock edition : r/Minecraft
MC-146163] T-flipflop works inconsistently when build. When copied/pasted with a structure block, working flipflops may become broken and vice versa - Jira
Swap Levers with Sophisticated "T Flip-Flop" Buttons in This Saturday's Minecraft Workshop « Minecraft :: WonderHowTo