Sm-n9005 home key not working , lcd is good

[masimobilecare]

Hello dear experts as I have received the note 3 with the problem home key not working , unit is dropped & I check LCD it's working with another PBA but with same PBA home key not working need help to fix the problem ,& already I have done de soldering on home key connector but not working what could be the issue .????

[dawizi]

flash yuer phone with 4.4.4 ver

[masimobilecare]

Actually it's not software issue bro some time it works too so where exactly the home key controller ics are located need help if possible ��

[era4387]

Originally Posted by masimobilecare

Hello dear experts as I have received the note 3 with the problem home key not working , unit is dropped & I check LCD it's working with another PBA but with same PBA home key not working need help to fix the problem ,& already I have done de soldering on home key connector but not working what could be the issue .????

Bro, check home button ribbon socket. Possible change a new one but need some skill coz u need to take out lcd and digitizer from lcd frame.



Sent from my SM-N9005 using Tapatalk

[clebo]

Originally Posted by masimobilecare

Hello dear experts as I have received the note 3 with the problem home key not working , unit is dropped & I check LCD it's working with another PBA but with same PBA home key not working need help to fix the problem ,& already I have done de soldering on home key connector but not working what could be the issue .????

if the handset has been dropped there could be a breakage in the solder,
a cracked resistor or cracked capacitor.

reflow pcb and test .
or use a schematic to check whic resistor/capacitor would control the button