Rooting && Flashing the HTC Desire HD April 3, 2011
AndroidHTC
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One of the perks of flashing, is better battery life and more responsiveness

This is were i learned ( for HTC DESIRE HD ) REVOLUTION ROM
http://forum.xda-developers.com/showthread.php?t=984045

BEFORE YOU START

In general you want USB debugging on
you find it in the settings somewhere on your phone ( google it )

ROOT

 

  1. Market Place Download – VISIONary
  2. open VISIONary , hit TEMPROOT
  3. if successful hit PERMROOT

POSSIBLE DOWNGRADE

 

  1. If fail then stop
  2. go to the HD revolution page and read, If you need to downgrade, then follow the instructions on that page to do it

CHANGING THE BOOT LOADER

 

  1. Market Place Download – Rom manager
  2. Rom manager will replace your recovery boot loader with clockwork
  3. if you want to see the boot loader, turn off the phone, holding the ( VOL +- ) and POWER ( comes on about 10 seconds later )
  4. the HTC boot manager will load, using the VOL +- to navigate up / down, POWER button to select RECOVERY
  5. the RECOVERY menu has a few options

S-ENG OFF && S-RADIO OFF

 

  1. http://forum.xda-developers.com/showthread.php?t=855403
  2. http://forum.xda-developers.com/showthread.php?t=857537

BACKUP BEFORE FLASHING

 

  1. Choose BACKUP from the recovery menu – it will backup your current ROM SDCARD
  2. When the backup is complete, choose reboot
  3. Market Place Download – APN BACKUP AND RESORE
  4. Open APN and slect BACKUP to BACKUP your Mobile Providers Settings – it will save them to your SDCARD

GETTING READY FOR THE FLASH

 

  1. You should have the following
  2. ROOT ?
  3. Clockwork bootloader
  4. A BACKUP of your current rom
  5. APN BACKUP
  6. USB DEDUGGING ENABLED

THE FLASH

 

  1. Given that your new ROM (REVOLUTION) is on your SDCARD
  2. reboot and go to recovery
  3. Choose WIPE DATA
  4. DO NOT TURN OFF PHONE
  5. Choose restore from zip file
  6. choose REVOLUTION
  7. pop a champagne cork
  8. reboot and your done

POST FLASH

 

  1. Restore APN Settings, you can go onto your Cell Provider and put in these settings manually ( but we already backed them up )
  2. Download Andriod SDK
  3. SET HTC to CHARGE ONLY
  4. go to SDK folder / bin
  5. open up your browser and download APN BACKUP and restore to your pc
  6. put the APK installer file into the SDK folder
  7. CMD > sdb install ./APN installer.apk
  8. its now on your phone, you can use it to restore your APN settings