Modem firmware (Qualcomm X55/X62) is often separate: 02.13.02.06 etc.

Stay updated, stay connected.

| Model Number | Common Carriers | Key Features | |--------------|----------------|---------------| | 5G21 (3TG12121AAAA) | T-Mobile US (early), Bell | Older, limited band support | | 5G22 (3TG12122AAAA) | T-Mobile US, Telstra, Swisscom | Snapdragon X55, 4x4 MIMO | | 5G23 (3TG12123AAAA) | T-Mobile US (current), Bell, Rogers | Improved mmWave? (varies) |

For the latest firmware versions and rollout status, search your carrier’s subreddit or community forum (e.g., r/tmobileisp, r/bell, r/telstra). Remember: patience is key – carriers stage updates over weeks to avoid widespread outages.