The latest IOS version is causing frustration for iPhone users with laggy and slow keyboards, especially when trying to type in Vietnamese. Follow the steps below to resolve the iPhone keyboard lag issue.

1. Fixing iPhone Keyboard Lag
The new IOS operating system frequently encounters issues, and IOS 15 and 16 versions make the iPhone keyboard lag, causing delays in inputting data. Specifically, the iPhone keyboard often lags when entering passwords on IOS system apps. However, the keyboard lag issue on the iPhone can be addressed by disabling some features.
Step 1: Open the Settings on your iPhone and select General => Keyboard to view keyboard settings.

Step 2: In the Keyboard settings, disable the following features to prevent iPhone keyboard lag:
- Auto Correction
- Spell Check
- Predictive Text
By turning off these features, the iPhone keyboard will operate smoothly when entering passwords in apps and messaging others. Additionally, disabling unnecessary features on the iPhone keyboard improves its stability and reduces errors.

Step 3: Next, choose the Keyboard section to remove unnecessary keyboards on your iPhone. To delete unused keyboards on iPhone, swipe left and select Delete.

Note: For users in Vietnam, using the Vietnamese – Telex keyboard is sufficient for both English and Vietnamese typing.
Disabling unnecessary keyboards on iPhone improves the smoothness of the iPhone keyboard and accelerates the display of characters. With this method, you can comfortably text on your iPhone without worrying about keyboard lag.
2. Fixing iPhone Keyboard Issue: Unable to Type in Vietnamese
Frequent inability to type in Vietnamese on the iPhone can be frustrating, disrupting normal texting. To fix the issue of the iPhone keyboard not typing in Vietnamese, follow these steps:
Step 1: Open Settings => General => Keyboard to access keyboard settings. Then, choose Keyboards and select Vietnamese – Telex for configuration.

Step 2: In the Vietnamese – Telex keyboard input settings, choose the following options:
- QWERTZ
- AZERTY
- QWERTY

Step 3: Afterward, go back to the keyboard to select the Edit (1) option and drag the Vietnamese – Telex keyboard to the top (2). Finally, choose Done (3) to save the settings.

By following these steps, you have successfully resolved the issue of the iPhone keyboard intermittently not typing in Vietnamese, ensuring a quick and effective solution.
In this article, Mytour has shared with you a method to fix iPhone keyboard lag and typing issues in Vietnamese. Wishing you a wonderful day!