Force your modem to stay on a specific network type (like LTE-only) to prevent it from dropping to slower 3G networks. General Network Selection
These standard AT commands work across almost all cellular modems supported by DC-Unlocker.
: Newer firmware versions (especially on Huawei HiLink devices) block standard AT commands. You may need to put the device into Project Mode or downgrade the firmware via DC-Unlocker before these commands will execute successfully. To assist you further with your device, tell me: What brand and model of modem/router are you using?
I can provide the specific sequence of commands for your exact situation. Share public link dc-unlocker commands list
Provide the direct link to the .
: Select your manufacturer from the dropdown menu (or leave it on Any Huawei / Any ZTE ) and click the Magnifying Glass (Detect) icon.
When using third-party tools like DC-Unlocker, it is vital to follow security best practices to protect your hardware and personal data: Force your modem to stay on a specific
Select your manufacturer (e.g., Huawei modems ) and set the model to Auto detect . Click the (Detect device).
Yes – almost daily for modem repairs.
: Toggles the full phone functionality mode, forcing a soft power cycle on the cellular radio module. You may need to put the device into
AT^NVWREX= — Writes data directly to the Non-Volatile (NV) RAM. Used by advanced technicians for direct unlocking or IMEI repair. 3. Network and Band Selection Commands
DC-Unlocker allows you to send AT commands directly to your modem's COM port. This is useful for:
AT+CSQ — Checks signal quality. Returns two values (RSSI and BER). A higher first value means a better signal. Huawei Specific Band Commands
Before running commands that change deep system parameters ( AT^NVWREX ), back up your device's NVRAM data.