How to do full ROM backup?

[ascanio1]

I need to do a full ROM backup for safe keeping with ROM Manager. I have Samsung Note 3 N9005, root, 4.4.2. I tried to click on "backup current ROM" but I receive an error:

Can someone please give me a super basic step by step help: how to do the safety backup, please? Please be simple as I'm Android dumb!

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[SactoKingsFan]

Looks like you don't have custom recovery. You will need TWRP or CWM in order to do a nandroid backup.

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[ascanio1]

Thanks! I tried to install it but I got an error. Then I found a newer version which worked

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