Add support for `X606X`

### Is your device already requested?

- [x] I have searched the existing issues

### Brand

C

### Name

TAB

### Device code

TTTT

### Model

GGGGGGGGG

### Device images

```Markdown

```

### Do you own the device and would be willing to test the installer?

- [x] I own the device and am willing to test the installer on it.

### Additional context

```Markdown
TTTTTTTTTTTTTTTTT
```