my iphone SE keeps turning on and off

Hello aniyahbrown,

Welcome to the Apple Support Communities! We have some steps that may help with this iPhone reboot issue. If you haven't already, try the steps on this page to see if they help with solving this problem: If your iPhone won't turn on or is frozen - Apple Support.

If you have an iPhone SE (1st generation), you'll want to follow these steps:

1. Press and hold both the Home button and the side button or the top button until you see the Apple logo.

2. If your phone doesn't turn on, follow these steps to check your hardware and charge your phone. You might need to charge for up to an hour.

3. If your phone still doesn't turn on, contact Apple Support.

If its the iPhone (2nd and 3rd generation) you can follow these steps:

1. Press and quickly release the volume up button.

2. Press and quickly release the volume down button.

3. Press and hold the side button until you see the Apple logo.

4. If your phone doesn't turn on, follow these steps to check your hardware and charge your phone. You might need to charge for up to an hour.

5. If your phone still doesn't turn on, contact Apple Support.

If you're unsure of which iPhone SE model you're using this guide will help: Identify your iPhone model - Apple Support.

Another page may that may help can be found here: If your iPhone is stuck on the Apple logo - Apple Support. It offers steps that can help if your iPhone seems to be getting stuck on the Apple logo.

We hope this information helps you out.

Kind regards!