Stop fighting with stuck or unresponsive side buttons. This flex cable restores the power and volume controls on your Galaxy S26 SM-S942B so you can lock the screen and adjust sound without hassle.
What You’re Getting
This is a replacement flex cable that carries signals for both the power button and the volume buttons. It is built specifically for the SM-S942B model, so the connector and layout match your phone’s internal board. Each unit is checked for good condition before it leaves our store.
Why This Part Works
Side buttons rely on a thin flex strip to send each press to the motherboard. When that strip tears or wears out, the buttons go dead or respond only some of the time. Swapping in a fresh cable brings back consistent, reliable presses.
Installation Notes
Professional fitting is the safest route, especially on a newer flagship. If you plan to do it yourself, take your time and work with care. Use an ESD strap so static doesn’t damage the board, and test the buttons before you fully reassemble. Never bend the cable past 90 degrees, because a sharp fold can crack the copper traces.







