Unplug the iPhone cable from the MacBook
Open Finder on the MacBook
Select the iPhone in the Finder sidebar
Click the eject button next to the iPhone
Open...
Open Settings on the iPhone
Tap your Apple ID name at the top
Tap Devices
Select the iPad
Tap Remove from Account
On the iPad, open Settings
Tap your Apple...
Sign in to both devices with the same Apple ID
Connect both devices to Wi-Fi
Turn on iCloud on both devices
Go to Settings
Tap your name
Tap iCloud
Turn...
Turn on iCloud Photos on your iPhone
On iPhone, go to Settings
Tap your name
Tap iCloud
Tap Photos
Turn on Sync this iPhone
On your iPad, go to Settings
Tap...
Open a PDF or image on your Mac in Preview
Click the Markup toolbar button
Click the Signature tool
Select Create Signature
Choose iPad
On your iPad, use your...
Sign in to both devices with the same Apple ID
Connect both devices to Wi-Fi
Turn on iCloud on both devices
Go to Settings
Tap your name
Tap iCloud
Turn...
Use a USB cable to connect the iPhone to the MacBook
Unlock the iPhone
Tap Trust This Computer if prompted
Enter the iPhone passcode if required
Open Finder...