iPhone TV Out: Fix “This Accessory Is Not Supported by iPhone”

Bought a cheap tv-out composite AV cable for your iPhone off eBay, but learnt that it’s unsupported later? Well, all is not lost. Like most prudent consumers, I refused to purchase an Apple-branded composite AV cable that will set me back RM139 ($45). Instead, I tried my luck with an aftermarket tv-out cable on eBay, [...]