QUOTE(tyja @ Oct 19 2010, 08:07 PM)
akachester,
do you mind to elaborate the step. we can use as a guide. anyway, my one is SLCD version, what is correct RUU?
SLCD version are said to use a different version of RUU. You need to check with the people at XDA developers cause AFAIK, most of them are for AMOLED version.
There was one guide that i came across that uses this AMOLED RUU to unroot, which will brick the phone (via GoldCard) and then, putting a SLCD update.zip file into the memory card to flash back. I am not too sure about the exact steps though because i don't have an SLCD version.
For AMOLED, this is what i did :
- I created a GoldCard using this steps here :
http://www.roothtchero.co.uk/goldcard-2 (am not too sure whether it is needed for other machines or not but somehow, mine couldn't recognize it).
Basically for unroot, all you need to do is find your correct RUU file, click on it and it will be done directly. It happens that way on my AMOLED Desire. On my second AMOLED Desire, apparently it wont work. You will keep getting
Error 140 / Error 131 which indicates
"Incorrect CID" or
"Incorrect Bootloader". I tested with most of the available RUU file and none could unroot back. Thus, after some research, some say i need a GoldCard which i created using the step in the source above.
- Then, i run either of these RUU file if you are ASIAN sets. (
RUU_Bravo_HTC_WWE_1.21.405.2_Radio_32.36.00.28U_4. 06.00.02_2_release_126984_signed.exe,
RUU_Bravo_hTC_Asia_WWE_1.19.707.7_Radio_32.36.00.2 8U_4.06.00.02_2_release_126179_signed.exe). Both source can be located here :
http://forum.xda-developers.com/showthread.php?t=695667- Click on both of them and they are bound to run after you have created a GoldCard. Let it complete and run it correctly. After that, you will unroot back.
Apparently, there was one problem i face is that if i use the HTC WWE version, i will get EU Firmware, instead of Asia. Even asking it to upgrade to FroYo, it will still be EU FroYo. And do realise, after you have RUU to a newer version, you cannot RUU back to an older version. So, keep checking the version you are sending. In the end, i fully updated it back to Asia Firmware by locating the RUU FroYo Asia WWE file from a friend and updating it. They are not available from the XDA forum so i do not know where he get the RUU. If you guys would want to search, locate this file name :
RUU_Bravo_Froyo_hTC_Asia_WWE_2.13.707.1_Radio_32.44.00.32U_5.09.05.30_2_release_143921_signed. This is the exact file that i used and everything is fine after that

Hope this helps.
Edited : Found the link to the FroYo Asia file here :
http://shipped-roms.com/download.php?categ...3921_signed.exeFor people that are interested to know the steps, look here. Great guys at XDA help me out there. Source :
http://forum.xda-developers.com/showthread.php?t=812895This post has been edited by akachester: Oct 19 2010, 10:29 PM