How To Set GB usage as 99GB at W04

Here is how to set GB as 99GB on English version of Speed WiFi W04

1st step: Tap the red circle below

2nd step: Tap the red circle below

3rd step: Tap the red circle below

4th step: Type 99 as below and choose ok.

5th step: check if 99GB is shown as below and go back to home screen.

Last step: Check if it is changed. Done already.