Updated — Zte+f671y+firmware+update+2021
Better logic for moving devices between 2.4GHz and 5GHz bands.
In 2021, many carriers began refarming spectrum for 4G+. The F671Y required new band combination tables to lock onto carrier aggregation (CA) pairs like or B1+B8 . Without the update, users experienced stuck connections at 4G only (non-CA), capping speeds at ~50 Mbps instead of the theoretical 150 Mbps. zte+f671y+firmware+update+2021
Disclaimer: I am not affiliated with ZTE. Firmware updates carry inherent risk. Always back up your configuration before upgrading. Better logic for moving devices between 2