How to backup wifi keys/pairing/access points?

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when i jump from custom roms that are samsung based, i am able to backup and restore all my wifi pairings with titanium backup.

but it doesn work when i jump to aosp and aokp roms. such as paranoid and cyanogenmod9.
after using titanium backup to restore pairings, they dont appear in the wifi settings. its blank.

i have ALOT of wifi pairings that i wish to keep if i were to go to aokp/aosp roms.
is there a way to save my pairings using an app so i can restore them on aosp and aokp roms?

Google gives you the option of saving Wi-Fi details, so when you flash a new ROM and login using your Google ID, it will restore those details. I used it when changing ROM's.

Sent from my Amazon Kindle Fire using Tapatalk 2

Originally Posted by sidthegreatest

Google gives you the option of saving Wi-Fi details, so when you flash a new ROM and login using your Google ID, it will restore those details. I used it when changing ROM's.

Sent from my Amazon Kindle Fire using Tapatalk 2

what? where can i find the save wifi details option?
i didn't know there is such thing