It´s working fine. Lower brightness than 9.10.31 and variabel with ambient light.
As well notification light works (but only one time with incomming message)
During download time notification light is allways lighting.
MD5 is a check sum. After you downloaded the file, take f.e. MD5Checker from play store, make a calculation and compare the value with the MD5 in the download description. The values must be equal!