[Q] htc one x revolution HD 9.40 -> rev 18.1

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firstly I searched for this and was unable to find it bizarrely (most likely cause I suck at searching forums) anyhow :

I have a HTC one X CID : HTC_023
HBOOT is : 0.95.0000
currently running android revolution HD 9.4.0

I bought this phone secondhand and its awesome but I would love to update to revolution 18.1 JB and am not sure exactly how to do it. I have read this here : http://forum.xda-developers.com/show...ostcount=29798 but that is to go from a stock rom to revolution, is it as simple as just :

2) Make sure you have your Unlock_code.bin file.
Relock your device using fastboot: fastboot oem lock
Enter OEM flash mode using fastboot: fastboot oem rebootRUU
On your phone you will see a black screen with silver HTC written in the middle

Flash firmware: fastboot flash zip firmware.zip
(You need to do this immediately twice)
When you see a full green bar below, you are done.

I am fearful of screwing up my phone so I thought I had better ask here and FTR as I didn't install the rom in the first place I don't have the Unlock_code.bin file. I have the revolution 18.1 rom downloaded. Also if I do this will I need to reinstall all my apps or can I do it and maintain all my current apps and settings? If I must reinstall all my apps I am sure I can find a forum thread here somewhere stepping me through that process.

any help will be appreciated and please - don't flame me too hard for being a n00b and/or asking something that has already been asked I couldn't find it - sorry in advance

You can take the Unlock_code.bin from htcdev, follow the steps and you are done.
However, when you go to flash ARHD, you lost all your apps and data (don't the sd) and you have to download it

Don't worry, HTC have made it so that it's almost impossible to screw up your phone

welp its screwed stuck at white htc o1e screen - thanks for the help greatly appreciated

Re: [Q] htc one x revolution HD 9.40 -> rev 18.1

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Did you flash the boot.img for arhd18 after installing it.

What point in the process did you get stuck at.
Relock - fastboot oem lock
Ruu mode - fastboot oem rebootRUU
Flash firmware - fastboot flash zip firmware.zip
Flash firmware again.
Reboot into fastboot
Unlock - fastboot flash unlocktoken unlock_code.bin
Flash recovery - fastboot flash recovery name of recovery.IMG
Flash boot.img of new ROM - fastboot flash boot boot.img
Boot into recovery
Copy new ROM and install

Sent from my HTC One X using xda app-developers app