I’m not able to update my phone

Go to---> Settings---> General---> Software-update---> Download and install the update.

You must have a stable Wi-Fi connection.

Or connect to a PC with the latest version of iTunes installed.

Charge the battery to 50% or higher.

Turn off Battery saving mode.

Don't use a Hotspot.

Don't use VPN.

And make sure you have enough free space.

iOS 12.5.5 is the last version for an iPhone 6.

You don't see any message why the download failed?

Provide a screenshot.

What SE........... first, second or third edition??

Be specific and give more info!

What happens when you try to update.

A screenshot will also be helpful.

update is getting failed on my iPhone se

iPhone se2 (2020)

Download is getting failed