Build #269 — prebuilt Linux 6.6 boot + rootfs images

Gemini PDA Linux 6.6 — prebuilt boot + rootfs images

Prebuilt images for installing this project's Linux 6.6 port onto the
Gemini PDA (MediaTek Helio X27). See INSTALL.md
for full flashing instructions and safety rules before using these.

Contents

• new_kali_boot.img — kernel + DTB + ramdisk, flash to the boot2 partition.
  Built from kernel banner #269 (2026-07-20), the most recent build
  verified working end-to-end on real hardware for all of: serial console,
  eMMC storage, display, keyboard, charging, USB gadget (left port) and
  USB host/ethernet at high speed (right port).
• debian13-rootfs.img.gz — Debian 13 (trixie) arm64 root filesystem,
  gzip-compressed. Decompress before flashing to the linux partition.
• SHA256SUMS.txt — checksums for both images.

Known limitations in this build

• Internal WiFi and Bluetooth are not working — the on-die CONSYS
  co-processor's firmware handshake is unresolved and permanently parked
  (see blockers.md B-21). Use a USB WiFi dongle on the right (host-mode)
  port instead.
• Fn/second keyboard layer is not mapped.
• Camera, GPS, LTE, suspend/resume are not implemented.
• Loudspeaker audio output is parked (B-23); headphone audio works.
• Fuel gauge / battery percentage is not available (no mainline MT6351
  fuel-gauge driver); a userspace low-battery voltage monitor is provided
  instead (scripts/battery-monitor.sh).
• SD card (msdc1) is a work in progress and not included/verified in this
  build.

Warning

Only flash boot2 and linux with these images. Never use mtk wl or
any operation that rewrites the partition table — see INSTALL.md.