I have already download the rom rar file.
There is no tutorial inside, just the rom.
In another tutorial i can see here: viewtopic.php?t=21&f=54#p154
a'm reading for drivers but there'n no file for download and in instructions that i have to remove the battery but in Alife S1 the battery is built in
Please give as in a separate file the tutorial, drivers (if needed) and the flash tool so we can proceed to update to android 5.