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New phone - do I lose WiFi passwords?

If you allowed Google to back up your phone settings, your new phone should import everything when you sign in for the first time. If your old phone is rooted, you could also use this. It won't copy the data over, but it will export everything to a text file so you have the passwords when you need them. If you have a spare router, you can set the essid and password to each line in the file so your new phone remembers the new passwords. That shouldn't be necessary, since the Google backup and restore works pretty well.
 
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Someone asked something similar recently and this is what I recommended to them and you:

If you still have your phone and it is in working order, it will access their wifi still (just not work as a phone to make calls or text.)

Install this on the old phone:
https://play.google.com/store/apps/details?id=com.madeng.wifiqr

Then take both phones to these places where the only phone already has the wifi password. Use the above app on the new phone to scan the wifi password into your new phone and save the password.

Of course, I am assuming they all allow you to have the password and would like you to continue to have it.
 
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Someone asked something similar recently and this is what I recommended to them and you:
Install this on the old phone:
https://play.google.com/store/apps/details?id=com.madeng.wifiqr
Then take both phones to these places where the only phone already has the wifi password. Use the above app on the new phone to scan the wifi password into your new phone and save the password.

Just installed. As a test, used my home wifi. App seems to want me to know the PW. That's the problem ... I can't remember it.
 
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When I have used QR Generator the process works like this:

My phone must already know the password and currently be on the network. Then while it is signed in I bring up the QR on my phone and another person can scan it and be on the network. No need for me to know or have them type anything in.

For you, I would hope it would be similar. Your old phone would know the password and be signed in. Then generate a QR on the old phone using the app while it is on the network. Then your new phone can scan it in off the old phone (which is showing the QR) and save the network.

Full disclosure: I have never done this myself with two phones. I have done it with my phone knowing the password and using the QR to get another person on the the network. It has worked cross platform and at both home and (the unsecured network at my) work.
 
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