The Asus Smartphone Sidekey Cable is the FFC flex cable that connects the power and volume buttons on your Zenfone to the mainboard. If your buttons are unresponsive, stuck, or working intermittently, this internal cable may be damaged. Replacing it with an official Asus part restores full tactile control and device reliability.

Fix Button Failures with a Genuine Zenfone Sidekey FFC

Common search queries include “Zenfone power button not working,” “volume key not responding,” and “replace Asus side button cable.” This dedicated Zenfone page includes certified parts designed to precisely match each phone model's button layout and connector format—ensuring smooth operation and secure fit.
Generic flex cables may not align properly, causing unreliable response or button lag.

Asus-certified cables provide durable, responsive action and are made for exact OEM specs.
Need help choosing the right flex? Use My Equipment, check the Zenfone parts catalog, or ask our team via support.

When to Replace the Sidekey Cable

Look for these issues: power button doesn’t respond, volume buttons trigger inconsistently, ghost presses, or buttons feel loose but are not broken externally. These are often caused by a damaged or disconnected FFC cable.
Real search intents:

Power button flex cable replacement
Fix volume key on Zenfone
Asus phone side button not working
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Buy power flex cable Asus

Installation Tips

Turn off your device and open it using the official Asus toolkit. Carefully remove the internal cover, disconnect the old sidekey FFC, and install the new cable into the designated socket. Handle with care to avoid bending pins. For support, follow tutorials on our YouTube channel.
Choose an official Asus sidekey flex cable to bring your power and volume buttons back to factory performance—built for durability, precision, and safety.

Frequently Asked Questions

Is this the real Asus button flex cable?
Yes, all sidekey cables are certified for specific Zenfone models.
Will this fix unresponsive buttons?
Yes, if the buttons are intact but the internal cable is faulty.
Is it hard to install?
It’s a simple repair with care and the right tools.
What if both buttons stopped working?
That strongly suggests a cable issue—this part is the fix.

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