Device Help Apple iPhone 3GS Connectivity
Apple iPhone 3GS

Apple iPhone 3GS

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Installing Facebook on my mobile phone

Transferring audio files from my computer to my mobile phone

Activating or deactivating data connections on my mobile phone

Connecting my mobile phone to Wi-Fi network

Returning my mobile phone to standby mode

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Getting started

Basic functions

Calls and voicemail

Messaging

Apps and media

Connectivity

Connectivity

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Troubleshooting

I can't use tethering on my mobile phone
I can't connect to another Bluetooth device
Another Bluetooth device can't connect to my mobile phone
I can't use Wi-Fi

Connecting mobile phone and computer

Transferring files from a computer to my mobile phone
Using tethering on my mobile phone

Wi-Fi

Connecting my mobile phone to Wi-Fi network

Bluetooth

Turning Bluetooth on my mobile phone on or off
Pairing Bluetooth devices

Data usage

Turning data roaming on my mobile phone on or off
Activating or deactivating data connections on my mobile phone
Checking data usage on my mobile phone

Video guides

Issue: Slow Mobile Internet on iPhone Issue: Can't Use Mobile Data with iPhone Issue: Can't Make or Receive Calls with iPhone Issue: Slow WiFi on iPhone Issue: Can't Connect to WiFi with iPhone

Media guides

Clean up and Speed up your Smartphone Can't make or receive calls from your Smartphone? Can't use mobile data on your Smartphone? Can't connect to WiFi on your Smartphone? Slow mobile internet on your Smartphone? Slow WiFi connection on your Smartphone? Keeping your Smartphone Safe