**New features with FRITZ!OS 7.56**
- Changed country and language settings of the FRITZ!Box (Mesh Master) are automatically transmitted to the FRITZ!Repeater
- Better dynamic smart repeating provides higher data throughputs for devices that are connected with the FRITZ!Repeater
- Improved handling of radar detection and Wi-Fi auto channel
- Support for the simplified replacement of a FRITZ!Box with new wizard (FRITZ!Box with FRITZ!OS 7.55)
**Improvements and changes with FRITZ!OS 7.56**
Improved - Optimized system performance and stability
Improved - Corrections to details in the settings for individual names for the Wi-Fi networks
Improved - Improvements for the channel selection settings
Improved - Improved detection and automatic handling of network loops
Improved - Calculation of radar wait time (DFS) based on a frequency range with a channel bandwidth of 20 MHz
Improved - Handling for display of connections when using certain network switches
Improved - Improved automatic channel selection on the 5-GHz band in cases of Radar interference (7530)
Improved - Changed behavior of buttons at the lower end of the page
Improved - Several improvements of the user interface
Changed - The push service for the Wi-Fi guest access sends registration/deregistration events of the guest devices from the Mesh Repeater or Mesh Master with which they are registered
Changed - Expanded keyword search in the menu under "Help and Info"; display of results in the Help
Changed - New contents under "Help and Info > Get to Know the Functions"
Changed - MAC Filter is limited to 128 entries