The MTK platform was widely popular in certain Android modding communities as it was easy to completely rewrite all nonvolatile storage except for the boot ROM, making them effectively "unbrickable". There was no need to use any exploits specifically to root, as you could just go into BootROM mode by holding down a button while powering on and connect SPFlashTool to modify the system however you want. Now that they've gotten increasingly user-hostile too, these are the bugs that lead to freedom.<p>Related interesting article: <a href="https://tinyhack.com/2021/01/31/dissecting-a-mediatek-bootrom-exploit/" rel="nofollow">https://tinyhack.com/2021/01/31/dissecting-a-mediatek-bootro...</a>