Hello there Elfeghali58,
I understand that you're looking for assistance with transferring information from your iPhone 7 Plus to your iPhone 13 Pro Max as the last transfer of data was imported from your iPhone 6, correct? If so, check out the following information for assistance with completing the transfer.
If you still have the information from your iPhone 6 stored on your iPhone 13 Pro Max, you'll want to erase the iPhone so you're able to import the data from your iPhone 7 Plus. For assistance with this, take a look at the following resource:
Erase iPhone
After you have erased your iPhone, you'll want to start the transfer of data with your iPhone 7 Plus and iPhone 13 Pro Max next to each other. You'll need to initiate the process on your iPhone 7 Plus as that will allow the correct information to transfer to your iPhone 13 Pro Max. For help with transferring the data, use the following resource:
Use Quick Start to transfer data to a new iPhone, iPad, or iPod touch
If you need further assistance, it would be best to Contact Apple Support for additional help with this.
Have a great day!