After spending a few weeks on the HD2 Android Development forums at XDA I learned how to coerce my T-Mobile HTC HD2 into dual-booting Android and WinMo. As of today I’ve got Android Froyo running with few issues and reasonable battery life. In this post I’ll explain how how you can dual-boot Android and WinMo on your HD2 as well.
First, flash the boot loader. Doing so will allow you to replace windows mobile with custom roms better suited for running Android. I’ve flashed three HD2s with Cotulla’s HSPL3 boot loader and haven’t had any issues.
With the new boot loader installed, flash the windows rom. Find a good replacement rom that will load Android quickly and run it stably. Roms I’ve found worked well with the HD2 Android builds are Miri and Chucky ROMs. Check XDA and htcpedia (archive for custom roms.
Back-up your data and reformat the SD card.
To install Android on the HD2 download and install any of the recent HD2 Android builds from the forums on XDA. My favorite builds right now are the near-stock Froyo builds created by darkstone.
Once you’ve got Android installed, make running it easier. Exceller Multiple Build Loader provides a nice interface for booting into Windows or Android automatically after the phone powers on. There is also support for booting into Ubuntu, if you’re into that sort of thing.
Govern Android battery consumption. SetCPU can be used to manage clock speeds, making it easy to reduce battery drain. It can be downloaded from the Market at a cost, or here for free. (Note: Free version requires adb to install.) Try setting a
Screen Off profile that limits the CPU usage to 245 max with an
Up Threshold of
30, set on boot, to prevent much of the battery drain associated with sleep mode.
adb install setcpu.apk.
If you experience issues in the Android OS, try upgrading the radio. Though something I overlooked at first, upgrading the radio helped me prevent SoD and robotic voices. Grab a new radio from the HDC HT2 Radio Rom Thread at XDA.
With enough tweaking your phone should be running Android issue-free all day with acceptable battery life. If not, keep messing with it. Try turning off the auto-rotate option in settings, downloading a different Android build or even swapping in a newer
Linux kernel image (archive) (zImage) to find what works best for you. Don’t have time? Learn from experience by checking out others’ reply signatures on the forums on XDA and htcpedia (archive) to look for their set-ups.
- TMOUS HTC HD2
- Boot Loader
- CotullaHSPL3 (SPL-2.08-HSPL)
- WinMo Rom
- Android build
- darkstone SuperRAM FroYo v1.5
Check Direct Boot Gingerbread on the HD2 for most up-to-date NAND settings.