What's the difference between Xperia S, SL, Acro S and Ion? topic

I think between S and SL is just SL is overclocked and software
between S and Acro S is just the house/cover and the charging port

The Xperia Acro S's wet finger tracking is hardware or software? topic

I have a Z2 in service. When I tried it with wet fingers it didn't recognized my fingers and recognized water as finger. I wanna know that if it's a software in the Acro S, then I can make a Z2 to support wet finger tracking

[Q] My Xperia acro s won't turn on topic

my xperia acro s not working at all i don't know actually why, i just tried last night to get in to the CWM recovery window so i turned my device off into the fastboot when the blue light comes on after downloading
''kernel.elf'' and opened the commo window, i wrote ''fastboot flash boot kernel.elf'' after that my mobile not turning on or charge and i'm now stuck with red light when charge it, actually i tried everything to get it back but there's no response :/ please guys anyone can help me? i miss my walkman :crying::crying: