Hi Jade :
But upon enlarging picture, I'm seeing a different view of possible problem.
It could be a late bloomer.
It's not all dead. I see many, several branches that have buds. Do a scratch test on them. Scratch bark, and see if there green. If green, there alive.
The disturbing part is, the leafs look deformed. Like tree got sprayed with a weed killer, or some kind of chemical, or got to much fertilizer, or some kind of chemical got dumped in ground under tree.
It could of even been from, over spray from something neighbor had sprayed, or something that got dumped on other side of fence.
Give tree a deep watering, that will help leech any chemicals/salts down out of roots.
Best of luck 👍👍