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== Notes ==
This device is quite similar to the [[Xiaomi Redmi Note 7 (xiaomi-lavender)]] and [[Xiaomi Redmi Note 8T (xiaomi-willow)]], and many of the issues were solved with steps from that devices pages, so if you're hacking on the Mi A2 it's a good idea to read the xiaomi-lavender and the xiaomi-willow page closely.
=== LED / Torch / Screen brightness / vibrator ===
Write brightness or boolean value to specific sysfs files:
* Front panel LED light [0-255]: <code>/sys/class/leds/white/{brightness,blink}</code>
* Torch light [0-255]: <code>/sys/class/leds/flashlight/brightness</code> (torch_0 is cold light, torch_1 is warm light)
* Screen brightness [0-255]: <code>/sys/class/leds/lcd-backlight/brightness</code>
* Vibrator [Miliseconds]: <code>/sys/class/timed_output/vibrator/enable</code>
<code>echo 255 > /sys/class/leds/lcd-backlight/brightness</code>
That maximizes the brightness of the screen
== How to enter flash mode ==