Why doesn't One have eSIM?
One doesn't have eSIM hardware built-in. eSIM cannot be added via software update.
| eSIM Supported | ✗ No |
| SIM Type | Nano-SIM |
| SIM Slots | 2 slots |
| Release Year | 2018 |
| Operating System | Android |
✈️ Need data abroad?
Even without eSIM, you can still get mobile data abroad.
💡
Physical Travel SIM — Buy a travel SIM card and insert it in your second SIM slot.
❓ Frequently Asked Questions about One
Does One support eSIM?
No, One does not support eSIM. It only works with physical SIM cards.
How many SIMs can One use?
One supports 2 physical SIMs (Nano-SIM). No eSIM support.
What type of SIM does One use?
One uses physical Nano-SIM only. No eSIM support.
Can One be updated to support eSIM?
No, eSIM requires hardware built into the device. Software updates cannot add eSIM support.
How to insert SIM in One
Use the SIM ejector tool to open the tray. Place the Nano-SIM card aligned with the slot, then push the tray back in.