Backing up Rom and installing new one

[DLittle2012]

I want to back up the sense Rom and then install cm9 nightlies on my sensation.so first do I boot into recovery then go into back up?Do I use regular or advance back up does it matter?and then once its backed up then I go into install Rom from sd card correct?First I tap on the Rom download and wait until it competely downloads and then do I tap on the gapps and let that one completely download and then back out to reboot and reboot phone it reboots and then I'm done correct?would you please let me know if I have the procedure all correct.

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[OreoBoyVa]

Just download rom manager hit install from sd then it will ask if you want to back up your current Rom answere yes give it a name and its that simple.

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[DLittle2012]

Thanks!!!

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[OreoBoyVa]

Thanks!!!

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You can always use the thanks button

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[DLittle2012]

Sent from my HTC Sensation 4G using XDA