I seem to have messed this thread up badly, my bad!
If you have any issues with migration then please do reply below; please provide as much information about your issue as possible including screenshots and snippets of the errors appearing etc.
If you would like to make a new thread so your issue is seen for sure feel free to do that!
give as much information in your post as possible to what is happening, error codes, screenshots!, your old email, new email, domains, subdomains - everything to let us help you fast!
Thanks for reading my spiel again!
Here are some tutorials that you may want to look at after migrating from the old panel to the new panel.
If you want to use SSL this is included free with your new 000webhostapp URL, SSL does not come with nor work with any other free subdomains provided by 000webhost.com
You can purchase your own premium domain name or free subdomain and use CloudFlare however.
Backing up and importing your contacts into GoogleMail
How to create databases on the new panel
Once you’ve set nameservers again/ CNAME method or deleted records relating to the old control panel your domain may seem inaccessible, update and flush your DNS to see if this resolves it.
If you are migrating over with older scripts or scripts which haven’t been updated in a while, I would recommend a fresh installation of say WordPress instead of migrating an old out-dated version across.
PHP requirements may be lower/higher to what you are used to.
Setting up email forwarding instead of using webmail.
Setting up the reply-from address to use email forwarding easily.