Nothing
Does the Nothing Phone (3a) Lite support eSIM?
No, the Nothing Phone (3a) Lite has no eSIM and only works with a physical SIM.
The Nothing Phone (3a) Lite does not have eSIM. For mobile data abroad you will need a physical (travel) SIM with this device, or roaming from your own provider.
Source: GSMArena
Check your Nothing Phone (3a) Lite for an eSIM yourself
Dial *#06# on your phone. A 32-digit EID number means your phone has an eSIM. On iPhone check Settings > General > About; on Android check Settings > SIM manager.
Frequently asked questions about the Nothing Phone (3a) Lite
Can I use an eSIM on the Nothing Phone (3a) Lite?
No. The Nothing Phone (3a) Lite is not eSIM-compatible and only works with a physical SIM. For mobile data abroad you'll need a physical travel SIM with this device.