Sony Nwz-s639f Battery Replacement _verified_ Info

Take your time. Use the right tools. Source a battery with the correct LIP-4WM connector. Calibrate after installation. Your Walkman will reward you with another decade of service.

A failed Sony NWZ-S639F battery replacement is almost always due to using the wrong tools. Do not use a kitchen knife or a flathead screwdriver. You need precision. sony nwz-s639f battery replacement