The custom UI shows live CA combos – e.g., "B3 (20MHz) + B7 (15MHz)". You can see exactly which towers and bands are aggregating for peak speed.
If you only want to remove carrier branding (not gain band locking), buy DC Unlocker credits. This officially unlocks the SIM network lock and re-enables hidden menus without custom firmware. It costs about €15 and is risk-free. huawei b535-232 custom firmware
BusyBox v1.19.4 (2023-01-17) login: