HTC Desire Z (htc-vision)

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HTC Desire Z
HTC Desire Z
HTC Desire Z
Manufacturer HTC
Name Desire Z
Codename htc-vision
Released 2010
Original software Android 2.2 on Linux 2.6.32
Hardware
Chipset Qualcomm MSM7230
CPU 800 MHz Scorpion
GPU Adreno 205
Display 480x800
Storage 1.5 GB
Memory 512 MB
Architecture armhf
Features
USB Networking
Works
Flashing
Touchscreen
Works
Display
WiFi
Works
Xwayland
FDE
Mainline
Broken
Battery
Works
3D Acceleration
Accelerometer
Audio
Bluetooth
Camera
GPS
Mobile data
SMS
Calls
USB OTG



Contributors

  • mberndt
  • CmdrWgls
  • (everyone on IRC)

What works

  • Display (framebuffer), 16 bit color depth
  • Touchscreen
  • Keyboard
  • USB networking
  • vibrator
  • Wifi

What doesn't work

  • 32 bit color depth ("red screen" issue)

Progress

What's been done:

  • device-htc-vision builds
  • linux-htc-vision builds (using milaq's kernel)
  • device boots

Cmdrwgls created pull request #810 with his work. This work was later finished by mberndt in pmaports!132.

Installation Notes

Obviously you need an unlocked bootloader; refer to [1] for instructions about that. S-OFF is not needed.

Installing the rootfs using fastboot doesn't work due to size limitations in the bootloader, therefore if you want to install postmarketOS to the internal memory, do an Android Recovery Zip Installation. postmarketOS is picky when it comes to the recovery. It works with CWM 6.0.5.0, see [2]. It does not work with CWM 6.0.4.5 or TWRP 2.6.3.0.

Next steps

  • test more hardware: audio, camera, radio, bluetooth…
  • probably more firmware blobs are needed to get some of these working