eSIM is still fairly new so only more recent phones will work with it. It needs to be built into the phone in the factory. It's not as simple as a software update.
As a quick guide, these phones support eSIM:
iPhone XS or later
Samsung Galaxy S20/Note 20, Z Fold/Flip, or later
Google Pixel 3 or later
Plus more: Oppo Find X3/X5/N2, Honor Magic4 Pro 5G/Magic5 Pro, Sony Xperia 10 IV, Xiaomi Mi 12T Pro
If you’re still not sure about your phone, check with the company that makes it, or ask the tech whizzes in our friendly community.
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