Does the Sony WF-1000XM4 have battery drain issues?
Unfortunately, some users have reported issues with their units' battery life after updating to firmware 1.4.2. 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 ...
Does the Sony WF-1000XM4 have battery drain issues?
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:
Both have overall similar total playback times, but the Sony buds will require fewer top ups, which is convenient andbetter for the planetby reducing charge cycles that drain the battery’s capacity. Do the Sony WF-1000XM4 have fast charging?