Not able to Transfer to my new iPhone 13

Mayank_ Said:

"Not able to Transfer to my new iPhone 13: Hello, I have a iPhone XR 64GB, got a new iPhone 13 day before yesterday but it has become impossible to transfer data to my new phone.[...] tried to back it up in iCloud but in 8 hours it has only been backed up 26% and it is showing 23 hours more (We have a good broadband with 100Mbps plan). Please Help.."

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Thank you for the screenshot.

Transferring to a New iPhone:

Tried Quick Start?:

There should be no need to uploads items to iCloud or any other external storage source. Quick Start is what is used to transfer items (i.e. apps) from and older device to a new device (in this cade two iPhones)

Go Here: Use Quick Start to Transfer Sata to a new iPhone, iPad, or iPod touch - Apple Support

Mayank_ Said:

"Not able to Transfer to my new iPhone 13: Tried to do that but it gets stuck for hours but nothing happens, have kept it for full 10hours with both devices plugged in (Both the devices are updated to latest software)"

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Thank you for the followup reply.

Where to go from here:

You'd reset the new iPhone to factory settings, as if you were to sell it. Then, try this once more: What to do Before you Sell, Give Away, or Trade In your iPhone, iPad, or iPod touch - Apple Support