How do I delete synced photos on my IPhone 6 without connecting to a MacBook?

I realise this is most likely impossible but I'm really desperate to get rid of these annoying photos!

I used to go out with this guy and used his MacBook to sync some stuff onto my iPhone. We're no longer together and it's now gotten to the point where I want to delete the photos I synced but of course it's not possible to do it just from my phone.

Everything I've read has told me that I need to connect to ITunes to delete them but I'm fairly sure I was on his account so that's not really possible?

Can anyone give me some advice on if there's anyway to delete the synced folders/photos without having to jailbreak my phone? I know it's probably impossible but I'd be grateful for any advice. I don't own a MacBook myself.

"How do I delete synced photos on my IPhone 6 without connecting to a MacBook?"

Here is how I do it on my iPhone…

* Log out of iCloud.
* At the home screen, touch the "Photos" app.
* Touch the hated photo.
* Touch the trash icon.

That's it. Next, you can log into iCloud using your own Apple ID, NOT his.

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