Confirmed unlocked

[ar0616]

will it work better if i take out the present sim card?

 

[mdw1995]

will it work better if i take out the present sim card?

If it's not activated and you leave the cellular turned off on the watch settings, I don't think it matters.

 

[foxbat121]

And Sprint SIM card would not work in AT&T watch anyway just like Verizon. Both are CDMA carriers.