Apple Watch 4 A1976 connectivity in Europe
If I bought Apple Watch 4 A1975/1976 and not the A2007/2008 will I be able to use its cellular connectivity in Europe?
If I bought Apple Watch 4 A2007/2008 and not the A1975/A1976 will I be able to use its cellular connectivity in US?
| System | Band Support | A1975/A1978 | A2007/A2008 |
| LTE | 1 (2100 MHz) | No | Yes |
| LTE | 2 (1900 MHz) | Yes | No |
| LTE | 3 (1800 MHz) | No | Yes |
| LTE | 4 (AWS) | Yes | No |
| LTE | 5 (850 MHz) | Yes | Yes |
| LTE | 7 (2600 MHz) | No | Yes |
| LTE | 8 (900 MHz) | No | Yes |
| LTE | 12 (700 MHz) | Yes | No |
| LTE | 13 (700c MHz) | Yes | No |
| LTE | 17 (700b MHz) | Yes | No |
| LTE | 18 (800 MHz) | Yes | Yes |
| LTE | 19 (800 MHz) | Yes | Yes |
| LTE | 20 (800 DD) | No | Yes |
| LTE | 25 (1900 MHz) | Yes | No |
| LTE | 26 (800 MHz) | Yes | Yes |
| LTE | 39 (TD 1900) | No | Yes |
| LTE | 40 (TD 2300) | No | Yes |
| LTE | 41 (TD 2500) | Yes | Yes |
| UMTS | 850 MHz | Yes | Yes |
| UMTS | 900 MHz | No | Yes |
| UMTS | 1900 MHz | Yes | No |
| UMTS | 1700 MHz | Yes | No |
| UMTS | 2100 MHz | No | Yes |
Apple Watch Series 4, watchOS 5.1.1, A1976
