Hey there, Edwin1172! We're sorry to hear that you've been misinformed. When you activate an unlocked phone with us, it remains unlocked. We are actually unable to lock the phones that are originally unlocked. Some systems may show the phone as Boost Mobile if you are currently using it with us (attached to your account), but once the phone is not on your account there shouldn't be any issues activating with another carrier (assuming it is compatible with them).
When it comes to the phones that we sell on our website and our stores, those are locked, as we do not sell unlocked phones.
For sure! You can purchase the unlocked version directly from Samsung, and activate it with Boost Mobile.
I went to my local Boost store and they told me they were not going to carry the S10 e and could not activate it either if I purchased it elsewhere, so I went to Best Buy and bought an unlocked S10e and activated it with AT&T and its been a nightmare ever since. I was with Boost for quite some time and never had any issues. It's ticking me off if I could've had it activated with Boost and I was told wrong!