Supports LTE Category 4, offering download speeds up to 150 Mbps and upload speeds up to 50 Mbps .
Some custom firmwares (e.g., from team) enable hidden bands and remove carrier locks. Search for “E5573Cs-609 unlock firmware” – but use at your own risk. huawei e5573cs609 firmware download top
Huawei does not host all regional carrier firmware on its main public website. You often have to rely on specific databases or your ISP. Supports LTE Category 4, offering download speeds up
Updating or changing firmware is a high-stakes procedure. If the process is interrupted, the device may become unusable. Supports LTE Category 4
Before you begin