I bought my s9+ Unlocked from Samsung.com and I have been able to activated with boost mobile.
First, you will need a SIM Card for your s9+, you can't use your old SIM. from your old phone. You can by a boost mobile SIM Card at this like Bring Your Phone page.
Once you have your SIM Card, just go to active my phone on boost mobile.com and fallow the directions.
let me know if you will need anymore help.
Greetings @HarleyDog103B! @abdoul and @neosiris have given you a good start (thanks guys!). You should be able to activate from that Bring Your Phone page. If you have trouble, let us know and an agent here on Community can assist.
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I would like to thanks everyone who offered guidance ! You were a great help I finally got it ! Thanks again
Hi Guys, can anyone tell me the cost of getting the sim for the S9+ ?? I'm still a bit skeptical to commit to it? Thanks