Solve Samsung Galaxy Note 2 Bluetooth and Wi-Fi Problems

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<hr style="color:; background-color:" size="1"> Problems

Note 2 Bluetooth Problems

Note 2 cannot be found by other devices.
Failed to connect with other device.
Data not transferring.
Data stops transferring in between.
Bluetooth not turning ON.
Note 2 Wi-Fi Problems

Note 2 Network not found.
Router not found.
Data packets not transferring.
Wi-Fi keeps on disconnecting.
Weak signals.

Workaround

Bluetooth:

Toggle between ON & OFF in Bluetooth option
Remove and insert battery.
Factory reset
Software update
Wi-Fi:

Remove and reinsert battery and check.
Toggle between WI–Fi ON & OFF settings.
Reset Router.
Software Update.
Factory reset

Hardware Solution

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Clean Bluetooth and Wi-Fi antenna contact.

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Pull up pin of antenna contact and check.
Check connection between antenna and coil. If coil is damaged replace it.

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Now check the connection between coil and above mentioned capacitor, if there is no connection place jumper.
Gently heat Bluetooth and Wi-Fi IC, if it still fails then replace it.