How can I change battery for iPhone x

Have your iPhone examined and have the battery replaced at the Apple Store or at an Apple Authorized Service Center. If they are closed where you live then please contact ➔ Apple Support

Axel F.

Make an appointment at your nearest Apple Store or Authorized Repair shop for a battery change.

Get an appointment at an Apple Store or Apple authorized service center for help with that.

I got mine done a few weeks back. $69 (USD) and it took about an hour. Make sure you have a backup first and you'll need to temporarily turn off Find My iPhone.