FAQ — TK500
About Connection
- With the keyboard powered on: Press and hold Fn + B for 3 seconds.
- If the keyboard is not properly connected, please turn off the keyboard, restart your device’s Bluetooth, and reconnect. Or delete extra device names from the Bluetooth list and try again.
- OS Compatibility: Only compatible with iPadOS. Not compatible with Linux, Windows, or Windows installed on iPad hardware.
- Using incompatible systems may cause multimedia keys or function keys to not work properly.
- System & Hardware Requirements: Devices made before 2015 or iPadOS below 14.5 are not supported.
- Restore factory settings: Press and hold Fn + Ctrl + Del for 1 second.
About Charging
- Low-battery indicator flashes red until powered off.
- Charge by inserting Type-C into the keyboard and USB-A into a computer. Indicator stays red while charging.
- Avoid long-term use of fast-charging adapters (may reduce battery lifespan).
- Full charge takes approximately 1–2 hours, indicator turns green when fully charged.
- Low battery may cause lag or stuttering—please charge in time.
- If uncharged for long periods, over-discharge may prevent power-on (low-voltage protection).
- To activate, charge for 10 minutes OR plug/unplug several times to trigger the battery protection IC.
Sleep Mode
- When unused for over 60 minutes, the keyboard automatically enters sleep mode and indicator light turns off.
- Press any key to wake—keyboard wakes within 3 seconds.
Compatible iPad Models
- Method 1: Check the model number printed on the back of your iPad.
- Method 2: Go to Settings → General → About → tap “Model Number” to see the full model number.
iPad Air
- iPad Air 1 (2025): A3266, A3267, A3270
- iPad Air 6 (2024): A2902, A2903, A2904
- iPad Air 5 (2022): A2588, A2589, A2591
- iPad Air 4 (2020): A2316, A2324, A2325, A2072
- iPad Pro 11 (2022): A2435, A2759, A2761, A2762
- iPad Pro 11 (2021): A2377, A2459, A2301, A2460
- iPad Pro 11 (2020): A2228, A2068, A2230, A2231
- iPad Pro 11 (2018): A1980, A2013, A1934, A1979