Self-Troubleshoot Roaming Network Issues

iPhone Users

Android Users

iOS 17 and later:

1. Go to ‘Setting’

2. Go to ‘Mobile Service’

3. Go to ‘Mobile Data Network’

4. Key in ‘celcom3g’ for Celcom subscriber or ‘diginet’ for Digi subscriber.

iOS 16 and earlier:

1. Go to ‘Setting’

2. Go to ‘Mobile Data’

3. Go to ‘Mobile Data Options’

4. Go to ‘Mobile Data Network’

5. Go to ‘APN’

6. Key in ‘celcom3g’ for Celcom subscriber or ‘diginet’ for Digi subscriber.

Samsung:

1. Go to ‘Setting’

2. Search for ‘Connection’

3. Go to ‘Mobile Networks’

4. Go to 'Access Point Names (APN)'

5. Key in ‘celcom3g’ for Celcom subscriber or ‘diginet’ for Digi subscriber.

Huawei:

1. Go to ‘Setting’

2. Go to ‘Mobile Network’

3. Go to ‘Mobile Data’

4. Go to 'Access Point Names (APN)'

5. Key in ‘celcom3g’ for Celcom subscriber or ‘diginet’ for Digi subscriber.

Oppo:

1. Go to ‘Setting’

2. Go to ‘Dual SIM & Mobile Network’

3. Go to ‘SIM Info’

4. Go to 'Access Point Name (APN)'

5. Click 'Reset'.

Phone Model

Reset Network Setting Instructions

Apple

• iOS 15 or later:  Go to Settings > General > Transfer or Reset [Device] > Reset > Reset Network Settings

• iOS 14 or earlier: Go to Settings > General > Reset > Reset Network Settings

Samsung

Go to Settings > General Management > Reset > Reset Network Settings > Reset Settings > Select Reset to confirm

Huawei

Go to Settings > System & Updates > Reset > touch Reset Network Settings, then follow the onscreen instructions to Reset Network Settings

Vivo

Go to Settings > System Management/System > Backup & Reset/Reset options, Reset Network Settings, and then try again

Oppo

Go to Settings > Additional Settings > Back Up and Reset > Reset Phone > Reset Network Settings > Reset Network Settings again