Unfortunately, the warranty of Sony products purchased from the U.S. only applies within the U.S. If you have friends or relatives in the U.S., you can send the unit to them and have them contact our product support team so we can help you further:
If you’re worried about battery, don’t be. The Sony WF-1000XM4 can last about 7 hours and 43 minutes per charge, and the case can charge the buds at least two more times for a total of a hair under 24 hours. You’ll likely only have to charge your case on weekends, even if...
(9/26/2023) they are exhibiting the similar but worse problems than the 1.4.2 update as I had posted before. The left Earbud has a normal drain rate while the Right earbud is draining from 100% to 0% within 30 minutes of 50% volume listening to Youtube videos. Why do these problems...
They have experienced severe and uneven battery drain. The earbud that drains quicker also becomes much hotter than expected. When we updated our unit to this firmware, we noticed an unevenness in battery drain, but it wasn't to the significant extent experienced by these users. If you've ...
How good is the battery life of the Sony WF-1000XM4? If you’re worried about battery, don’t be. The Sony WF-1000XM4 can last about 7 hours and 43 minutes per charge, and the case can charge the buds at least two more times for a total of a hair under 24 hours. You’ll ...
(9/26/2023) they are exhibiting the similar but worse problems than the 1.4.2 update as I had posted before. The left Earbud has a normal drain rate while the Right earbud is draining from 100% to 0% within 30 minutes of 50% volume listening to Youtube videos. Why do these problems...