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Is it possible to increase the current of this driver?

Lower resistance means higher current.
Try add 0,5 ohm resistor parallel or use 10-turn 10 ohm potentiometer.

Thanks maciex93, this driver is from old olight m21. It has four modes, if i change these resistors will i lose the modes?

No.

The resistor marked 273 (27K ohms) looks like a pull up resistor. The other 2 marked R10 (.1 ohms) looks like the sense resistors.