Samsung SM-A307FN Service Manual page 102

8. Level 3 Repair
8-4-11. BT/WIFI
BT/WIFI is not working
Check BT or WIFI fuction ON
Check the status of ANT3000
heck the Status of
C
C3025C3003,C3027,L3001,C3007,
L3018,L3017,L3006
Resolder or change U3001
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Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
END
No
Enable BT or WIFI function.
No
Resolder or change the
Resolder or Replace of
No
C3025C3003,C3027,L3001,C3007,L3018,
ANT3000
L3017,L3006