![](/images/new-backgrounds/1264811/264811319x1.webp)
3G Function Failure
If the 3G function fails, perform the following:
| Start |
|
|
|
| OK |
|
| Check the | NG | Swap the 3G |
3G antenna |
| Main antenna | |
|
| OK |
|
| Check the | NG | Swap the 3G card |
| 3G card |
| |
|
|
| |
| OK |
|
|
Swap M/B |
|
| |
Figure | 3G Function Failure |
|
Troubleshooting |
If the 3G function fails, perform the following:
| Start |
|
|
|
| OK |
|
| Check the | NG | Swap the 3G |
3G antenna |
| Main antenna | |
|
| OK |
|
| Check the | NG | Swap the 3G card |
| 3G card |
| |
|
|
| |
| OK |
|
|
Swap M/B |
|
| |
Figure | 3G Function Failure |
|
Troubleshooting |