can I set up my phone without another phone?

aliza58 Said:

"can I set up my phone without another phone?: I forgot to backup my old phone before setting up this one so all my old things are on this phone instead of my most recent"

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Transferring Data:

Do you still have the "old" phone at hand? If so, use Quick Start to perform the transfer: Use Quick Start to Rransfer Data to a new iPhone or iPad - Apple Support

aliza58 Said:

"can I set up my phone without another phone?: I*the old phone hadn’t been updated for a while so whatever was on the phone at the time is now on this one instead of what the new stuff"

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Transferring Data:

So, seems you've transferred data successfully; it's just that things are not up to date on the new phone. Is that correct? To get the "new stuff" on it, perform a few updates. Does that work?

Update Using a Computer:

Have a Computer Handy? If so, try using a computer to update. Go here: Update your iPhone Using a Computer - User Tip. If any updates are availabe, they will install, sure enough.