topic Avoid using O2 sim in Japan, the data speeds are significantly throttled. Use an e-sim. in Discussions & Feedback https://community.o2.co.uk/t5/Discussions-Feedback/Avoid-using-O2-sim-in-Japan-the-data-speeds-are-significantly/m-p/1669700#M128987 <P>I recently traveled in Japan and found the O2 data was so slow it was unusable even though I had set up the Travel bolt on, at £6.00 per day. &nbsp;Map apps would take many minutes to load and web searching was all but impossible. &nbsp;After a few days of this I researched and saw that O2 throttle the speeds making it slower to use. &nbsp;I also found that an e-sim is a much better option. &nbsp;After a pretty simple set up and for a fraction of the cost (data only so need to use WhatsApp, FaceTime, Skype or such for calls) it was great. Importantly the speeds were back to normal, and fast. &nbsp;O2 need to be honest and up front about this.</P> Tue, 21 Nov 2023 12:02:12 GMT Traveler2023 2023-11-21T12:02:12Z Avoid using O2 sim in Japan, the data speeds are significantly throttled. Use an e-sim. https://community.o2.co.uk/t5/Discussions-Feedback/Avoid-using-O2-sim-in-Japan-the-data-speeds-are-significantly/m-p/1669700#M128987 <P>I recently traveled in Japan and found the O2 data was so slow it was unusable even though I had set up the Travel bolt on, at £6.00 per day. &nbsp;Map apps would take many minutes to load and web searching was all but impossible. &nbsp;After a few days of this I researched and saw that O2 throttle the speeds making it slower to use. &nbsp;I also found that an e-sim is a much better option. &nbsp;After a pretty simple set up and for a fraction of the cost (data only so need to use WhatsApp, FaceTime, Skype or such for calls) it was great. Importantly the speeds were back to normal, and fast. &nbsp;O2 need to be honest and up front about this.</P> Tue, 21 Nov 2023 12:02:12 GMT https://community.o2.co.uk/t5/Discussions-Feedback/Avoid-using-O2-sim-in-Japan-the-data-speeds-are-significantly/m-p/1669700#M128987 Traveler2023 2023-11-21T12:02:12Z Re: Avoid using O2 sim in Japan, the data speeds are significantly throttled. Use an e-sim. https://community.o2.co.uk/t5/Discussions-Feedback/Avoid-using-O2-sim-in-Japan-the-data-speeds-are-significantly/m-p/1669711#M128988 <P>A bit like they claim that PAYG Customers can roam in Europe. But as they don't have 4G Calling, nine of the listed countries is now a no!</P> Tue, 21 Nov 2023 12:26:12 GMT https://community.o2.co.uk/t5/Discussions-Feedback/Avoid-using-O2-sim-in-Japan-the-data-speeds-are-significantly/m-p/1669711#M128988 Enlli 2023-11-21T12:26:12Z