![WF-1000XM4. Just got this, will have to update and see if it fixed the battery drain issue : r/SonyHeadphones WF-1000XM4. Just got this, will have to update and see if it fixed the battery drain issue : r/SonyHeadphones](https://preview.redd.it/wf-1000xm4-just-got-this-will-have-to-update-and-see-if-it-v0-wzb4tc0ce24a1.jpg?auto=webp&s=6e948f57cfa0ed099cf8726091da1610a7b8263e)
WF-1000XM4. Just got this, will have to update and see if it fixed the battery drain issue : r/SonyHeadphones
![Micromax In 1, Micromax In Note 1 Users Report Severe Battery Drain and Swelling After Recent Update | Technology News Micromax In 1, Micromax In Note 1 Users Report Severe Battery Drain and Swelling After Recent Update | Technology News](https://i.gadgets360cdn.com/large/micromax_in_note_1_india_1663681766010.jpg)
Micromax In 1, Micromax In Note 1 Users Report Severe Battery Drain and Swelling After Recent Update | Technology News
![Sony Xperia Z1, Xperia Z Ultra firmware update available, improves battery life and more | Technology News Sony Xperia Z1, Xperia Z Ultra firmware update available, improves battery life and more | Technology News](https://cdn.ndtv.com/tech/images/gadgets/sony-z1-zultra-big.jpg)
Sony Xperia Z1, Xperia Z Ultra firmware update available, improves battery life and more | Technology News
![Sony WF-1000XM4: Latest firmware update may worsen battery life for some earbuds - NotebookCheck.net News Sony WF-1000XM4: Latest firmware update may worsen battery life for some earbuds - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/wf1000xm4Untitled.jpg)
Sony WF-1000XM4: Latest firmware update may worsen battery life for some earbuds - NotebookCheck.net News
![Sony Xperia S, SL, and acro S firmware updated with improved camera, longer battery life - Android Community Sony Xperia S, SL, and acro S firmware updated with improved camera, longer battery life - Android Community](https://androidcommunity.com/wp-content/uploads/2013/08/sony-xperia-s.jpg)