Chapter 5 -Software Upgrade Prcedure; Ruu (Re-Flash Upgrade Utility) - HTC Gene Service Manual

CHAPTER 5 –SOFTWARE UPGRADE PRCEDURE
System Requirement:
-Windows 2000/XP
-USB Cable
-ActiveSync 4.0 above
-Master Unit
-128 MB Mini SD card
Caution: The unit must have at least 70% of battery capacity before starting the re-flash process. Charge the
battery in advance if necessary.
For the master unit, you could prepare it in the following ways:
- Take one from Swap unit with the most up to date Rom Code.
- Build one first by connecting to SDO for OS Upgrade/ Download via RUU.
HTC RMAIII – Service Document Online:

5.1 RUU (Re-flash Upgrade Utility)

I. Setting and allow USB
connections in Microsoft
ActiveSync.
II. Connect your device and
desktop/ or laptop via USB cable.
III.
Check the pop-up message from
Microsoft ActiveSync when
device is synchronized with PC.
HTC confidential
© 2004, HTC CORPORATION. ALL RIGHTS RESERVED.
h ttps://rma.htc.com.tw/rmaiii/home/index.asp
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Connect device to PC
Download OS Image from SDO
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