https://community.three.co.uk/t5/Devices/Sim-card/m-p/22300#M2471 <P>Three have only supplied unlocked phones for years so any network's sim will be okay.</P> Thu, 30 Nov 2023 15:57:28 GMT sc1999 2023-11-30T15:57:28Z https://community.three.co.uk/t5/Devices/Sim-card/m-p/22287#M2467 <P>If I purchase a new iPhone 15 with a new plan, can I use my other sim in the new phone ? Both three SIM cards ?</P> Thu, 30 Nov 2023 12:54:54 GMT https://community.three.co.uk/t5/Devices/Sim-card/m-p/22287#M2467 Billthebird 2023-11-30T12:54:54Z https://community.three.co.uk/t5/Devices/Sim-card/m-p/22288#M2468 <P>As long as the handset is either supplied by Three or unlocked then yes you absolutely can!</P> Thu, 30 Nov 2023 13:10:48 GMT https://community.three.co.uk/t5/Devices/Sim-card/m-p/22288#M2468 Anonymous 2023-11-30T13:10:48Z https://community.three.co.uk/t5/Devices/Sim-card/m-p/22300#M2471 <P>Three have only supplied unlocked phones for years so any network's sim will be okay.</P> Thu, 30 Nov 2023 15:57:28 GMT https://community.three.co.uk/t5/Devices/Sim-card/m-p/22300#M2471 sc1999 2023-11-30T15:57:28Z