how to mod trustfire 3x XML 3800 lumen driver

LED Flashlights – General Info
1

i have a trustfire 2 or 3 cell 3x XML light.

its bright , but not that bright. is anyone familiar with the driver in it and can it be modded to increase output?

2

Cree XM-L T6 1000 Lumen LED Emitter with Aluminum Base

Cree XM-L U2 1A 1000 Lumen 3.7V~4.2V 5-Mode LED Drop-in

Cree XM-L T6 1000 Lumen 3V~18V 1-Mode LED Lamp

Cree XM-L T6 1A 1000 Lumen 3.7V-4.2V 5-Mode Drop-in

about TrustFire TR-3T6 xml 3800 lumen ,you can try a look.