problem

Hi moon0087,'

welcome to the Apple (user-to-user) Community

Re: "my apple pencil disconnect when i pick it up from my ipad and it doesn't work

i've changed the tip and everything the problem that it doesn't connect unless its it sticks to the ipad"

Wondering which iOS version is installed on your iPad Air, and whether updating, (or restarting) may help:

Also wondering which Gen pencil you are using with your iPad Air, and how often you charge the battery.

How to check compatibility, and more:

Pair and charge Apple Pencil (2nd generation)

Pair and charge Apple Pencil (1st generation)

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If it the pencil is less than 12 months old, you may want to check the warranty:

Find the serial number of your Apple Pencil - Apple Support

You can check your coverage online by entering the serial number:

Check Your Service and Support Coverage - Apple Support

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There are discussion threads online with excellent tips on overcoming pairing problems:

Apple Pencil Won’t Pair - Apple Community

I have the correct iPad for the 2nd gener… - Apple Community

I can't connect to the Apple Pencil - Apple Community

All the best :-)