If I install 2.03, and want to go back to 1.35.00 (the original ROM on the PPC) will a simple backup using Xbackup carry the ROM with it? I have a couple of these phones and I installed 2.03 on it, and BT 3900 and now I am getting a wierd feedback/humming noise from the speaker. It is very faint, but also very irritating. This is why I want to restore the original rom and BT stack since I am assuming it has something to do with this. My plan was to grab a backup from the other, unmodified device, and stick it on this one with 2.03. Unless anyone has a solution to this feedback?

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SCH-i730... not bad!