You can update your device through TomTom HOME . Click here to see how.
Serial number prefixes : XA, XB, XC, XD, XF, XH, XM, XN, XO, GT, GY, GU, GZ.
| Serial Number Prefix | Model Name | Model Number | Internal Memory |
|---|---|---|---|
| XA | TomTom Start | 4EX0.001.03 | 1GB |
| XB | TomTom Start | 4EX0.001.04 | 2GB |
| XC | TomTom Start | 4EX0.001.01 | 1GB |
| XD | TomTom Start | 4EX0.001.02 | 2GB |
| XF | TomTom Start ² / Start Classic | 4EX0.001.08 | 2GB |
| XH | TomTom Start ² / Start Classic | 4EX0.001.10 | 2GB |
| XM | TomTom Start ² / Start Classic | 4EX0.001.11 | 2GB |
| XN | TomTom Start ² / Start Classic | 4EX0.001.12 | 2GB |
| XO | TomTom Start ² / Start Classic | 4EX0.001.13 | 4GB |
| GT | TomTom START 40 (2012) | 4ET0.052.01 | 2GB |
| GY | TomTom START 45 | 4ET0.052.02 | 4GB |
| GU | TomTom START 50 (2012) | 4EF0.017.00 | 2GB |
| GZ | TomTom START 50 (2012) | 4EF0.017.01 | 4GB |
| GU | TomTom START 55 | 4EF0.017.00 | 2GB |
| GZ | TomTom START 55 | 4EF0.017.01 | 4GB |
Click here to see the list of devices that are no longer supported.