Never roam on the ship's data.....extremely expensive. Safest to put phone into airplane mode, then turn on wifi.   On my May 4th Discovery Princess, 4 day cruise to Alaska (Vancouver-Ketchikan-Seattle) and a post-cruise stay in Portland, OR, I used this US SIM purchased on amazon.ca.   https://www.amazon.ca/Prepaid-Internet-Powered-T-Mobile-Days/dp/B09KWY33ZD/ref=bmx_dp_kn6r7fgo_sccl_2_3/133-2884903-7961621?pd_rd_w=zLIcq&content-id=amzn1.sym.e55928bd-e238-45b2-bf8e-0d68c
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