Specific firmware versions enable the B525 to better handle Carrier Aggregation , which combines multiple bands for higher speeds.
Factory firmware (like those from EE or Three) often locks certain features. Enthusiast-modified "debranded" firmware (e.g., Huawei RELOADED or jhowel22 versions) can enable: Huawei B525s-23a Firmware
A: Possibly, if the update includes a newer cellular modem driver (baseband). But usually, signal strength is physical/antenna based. Try external antennas first. Specific firmware versions enable the B525 to better
The is a Category 6 LTE CPE (Customer Premises Equipment) router, supporting 4G FDD/TDD-LTE, 3G, and Ethernet WAN. It delivers download speeds up to 300 Mbps and upload up to 50 Mbps using 2×20 MHz carrier aggregation. supporting 4G FDD/TDD-LTE