Level 3 Repair
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8-3-9. BT/WIFI
BT/WiFi is not working
Check BT or WiFi function
ON
No
Enable BT or WiFi Function
Yes
END
Check the Voltage on C805 =
1.8V
No
Resolder or change the U600
Yes
Check the Voltage on L802 =
1.35V
No
Resolder or change the L802
Yes
Check the status(crack, missin
g, Corrosion..etc) of L800, C8
02, F802, C815, U802, C816,
ANT800
No
Resolder or Replace 800, C802, F802, C815,
U802, C816, ANT800
Yes
Resolder or Replace U803
Yes
Yes
