Data sheet for strobe mode on flashlights ?

Hello.
Want to delete the annoying strobe mode in my scuba flashlight. Is there data sheets of several chips/ways that stupid effect is produced ? Seems to be nearly on every flashlight in the market to the point of hard to find one without such. There is several videos but many styles.
It is powered by >4V, not 1.5V (no boost)

They use either a dedicated chip or a micro. You're stuck with the strobe mode. Some don't have it – finding one without it is the option.

Finally able to read the annoying tiny part number on it, it is a YN890X, of unobtanium? SOT23 data sheet. The driver chip I want is YN8C9A. If cannot modify, will have to search for that YN8C9A chip.

Photo, we require a photo of the mystery chip. If you have the data sheet, much better.

Crappy pin location...


The different types...
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