1. Download the .sisx above and install it to the phone memory (C:).
2. Open VnKey and set Telex mọi ứng dụng (Telex in all apps) to Bật (On).
3. In Messaging, type Vieejt and a space: you get Việt.
4. Ctrl+Space switches Vietnamese / English. A [V] or [E] shows in the bottom bar.

aa	â	s	á sắc
aw	ă	f	à huyền
ee	ê	r	ả hỏi
oo	ô	x	ã ngã
ow	ơ	j	ạ nặng
uw, w	ư	z	no tone
dd	đ

Marks and tones can also come at the end of the word: toans -> toán, nguoiwf -> người. Press twice to undo: ass -> as.

• Works in every app: Messaging, the browser, chat.
• English words stay English: tẽt -> text.
• Shortcuts: ko -> không, dc -> được (edit macros.txt).
• Traditional (hòa) or modern (hoà) tone placement.
• Starts with the phone. Screens in Vietnamese or English.

• Turning it off: set Telex in all apps to Off, answer No, then restart the phone.
• Updating, removing: turn it off as above and restart first.
• Emergency off: make a folder off in E:\VnKey\
• Privacy: the log stays on the phone (E:\VnKey\vnkey.log); nothing is sent anywhere.
• Download fails? The S60 browser only has TLS 1.0 and GitHub needs TLS 1.2. Install the TLS patch (nnproject.cc/tls), or download on a computer and copy the file to the phone.