Android Repeating Keys with an External Bluetooth Keyboard


To increase mobility, I try to use an external keyboard with a tablet. It’s easy to connect but difficult to make it work correctly. There are always lost Bluetooth connections and repeating keys.

At first, I thought it was a software issue. Eventually, it is an incompatibility issue between the Bluetooth keyboard and tablet.

Bluetooth Keyboards and Tablets

Lexking Windows Bluetooth Keyboard

  • Model: BT-7128
  • Layout: Windows
  • Bluetooth 3.0

Libra Bluetooth Keyboard

  • Product: LBR-BTK1
  • Model: BCM20730
  • Layout: iOS/OSX
  • Bluetooth 3.0

Lenovo Tab 3 730X

  • Android 6.0
  • Bluetooth 4.0

Samsung Galaxy Tab J (7.0″, 4G)

  • Model: SM-T285YZWDBRI
  • Android 5.1
  • Bluetooth 4.0

What’s Wrong?

While pairing Lexking with Tab 3 730X via Bluetooth, unexpected lost connection and repeating keys happen frequently. Repeating keys looks like a key is continuously pressed. Therefore, you will see something like rrrrrrrrrrrrrr. Even wore, the backspace continuously deleting my writing. Mendy shares her similar experience in Tom’s Guide: my keyboard keeps typing the same letter.

It won’t stop until you switch to another app or check the message center on top. Breaking the Bluetooth connection won’t stop this crazy behavior.

I have checked the keyboard and confirmed every key work perfectly.

How to Fix?

It could be a software or compatibility issue.

How to prevent characters from repeating when entering text with a Bluetooth keyboard? suggest to use External Keyboard Helper Pro and enable the “No key repeating” option.

On the other hand, I try a different pairing.

Everything is fine while paring Libra with Tab 3 730X.  Both Lexking and Libra work fine with Tab J. Therefore, I think it is an incompatible issue.

More Thoughts

Libra has a different layout. The “Esc” key is missing and the “Del” key needs to use “Fn” + “Del”.

Also, I need to follow the instruction in Samsung Soft Keyboard Keeps Popping Up when Bluetooth Keyboard in Use on Galaxy Note 10.1 with Android 4.1.2 to disable the pop virtual keyboard on screen in Tab J. By disabling “Use on-screen keyboard” in “Default Samsung keyboard” under “Keyboards and input methods” section

Reference

  1. Android Enthusiasts: How to prevent characters from repeating when entering text with a Bluetooth keyboard?
  2. Android Enthusiasts: Samsung Soft Keyboard Keeps Popping Up when Bluetooth Keyboard in Use on Galaxy Note 10.1 with Android 4.1.2
  3. Google Play: External Keyboard Helper Pro
  4. Lenovo Tab 3 730X
  5. Lexking Windows Bluetooth Keyboard
  6. Libra Bluetooth Keyboard
  7. Samsung Galaxy Tab J (7.0″, 4G)
  8. Tom’s Guide: my keyboard keeps typing the same letter

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