Samsung Galaxy S26 Ultras lack of built‑in magnets blocks reliable Qi2 25W wireless charging
Samsungs decision to omit internal magnets from the S26 Ultra forces users to rely on external cases for Qi2 alignment. This creates a proprietary handshake requirement, making the advertised 25 W speed unstable and often unusable with both third‑party and first‑party chargers.
Technical Solution
Addressing the problem involves three coordinated actions: securing a certified magnetic case, updating device firmware to recognize the case‑based handshake, and providing an alternative charger that can fall back to 15 W without magnet dependence.
Use a WPC‑certified magnetic case
Choose a case that has passed the Wireless Power Consortiums Qi2 certification. The case must place its magnets within 5 mm of the phones charging coil and include the Qi2.2 alignment pattern. This eliminates the ghost case failure described by Dbrand.
Apply a firmware update for handshake support
Samsung should release a system update (Android 14.0‑R1) that adds the proprietary handshake protocol to the devices power management stack. The update must read the cases magnet ID tag via NFC and enable the 25 W mode only when a valid tag is detected.
Offer a fallback charger for non‑magnetic setups
Provide a charger that defaults to 15 W when no case is present, using the standard Qi2 alignment without magnets. This ensures the phone can still charge quickly even if the user prefers a thin case or no case at all.
Implementation checklist
1. Verify case certification on the WPC list.
2. Install the latest Samsung firmware patch.
3. Pair the cases NFC tag with the device settings.
4. Test charging at 25 W with the Samsung official pad.
5. Switch to 15 W mode if the handshake fails.