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Sony WF 1000XM4 Left Earbud draining 10 times faster than right

profile.country.DK.title
Thommy
Explorer

Sony WF 1000XM4 Left Earbud draining 10 times faster than right

Like the title states, my left earbud randomly started draining extremely fast.

 

I suspect the 2.0.1 firmware.

 

I bought these in Denmark on February 17 last year and now they are essentially worthless as I can only use the left earbud for about 40 minutes.

I have since moved countries to Japan, so I don't know what to do about warranty now 😞

 

I have a attached pictures showing the battery drain using both over about 1 hour.

 

Sony please respond.

 

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50 REPLIES 50
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SPAGEY1978
Explorer

Sony not interested at all despite their firmware causing the issue. Will avoid Sony products going forward as their customer service is absolutely shocking!!!