Avoid using blue USB 3.0/3.1 ports; use an older USB 2.0 port if available. Ensure you turn off Windows Driver Signature Enforcement before running the Qualcomm installer tool. Conclusion
Changes the Time-To-Live (TTL) value (typically to 64 or 65) to bypass mobile hotspot tethering restrictions imposed by certain mobile plans.
Once the flashing tool reports a "Success" or "Download Succeed" message, disconnect the USB cable. Re-insert the battery and your desired SIM card.
Cat4 (Up to 150 Mbps download / 50 Mbps upload)
typically involves extracting the Download.img file, modifying its contents (such as web UI or system settings), and rebuilding it for flashing. This process is common for advanced users looking to unlock additional features or change the default provider branding. 1. Firmware Extraction
