https://blog.chuanxilu.net/en/tags/meta-pass/Recent content in Meta-Pass on Chuanxilu for Skilled Homo sapiensHugoen-USMon, 14 Sep 2026 07:00:00 +0800https://blog.chuanxilu.net/en/posts/2026/09/meta-pass-multi-firmware-launcher/Mon, 14 Sep 2026 07:00:00 +0800https://blog.chuanxilu.net/en/posts/2026/09/meta-pass-multi-firmware-launcher/The FoloToy AI Passport has a marketplace full of fun firmware, but the device holds only one at a time. Switching means reflashing the whole chip. I spent two days building meta-pass, a multi-firmware launcher with two slots, two install channels, and a rollback model designed to prevent bricking the device. Almost every good design in it was forced by a hardware constraint.