Unlocking a Huawei E173 U-1 HSDPA Modem USB Stick, branded as Tchibo Internet-Stick, and enabling its voice functions is illustrated by using the software DC-Unlocker and updating to a firmware comprising voice functions on Windows 8.1. Finally, this modified Huawei E173 U-1 HSDPA modem USB stick is utilizable as, e.g. On a FRITZ!Box 7390. I conducted the modification with the following set up: • • Huawei E173 U-1 / Tchibo Internet stick (Hardware version CD1E153M, Chipset Qualcomm MSM6290, 7.2 Mbit/s via HSDPA, 5.75 Mbit/s via HSUPA) with micro SD slot, but with no connector for external antenna ().

Double click on the downloaded exe file and and accept the terms and. 3 Mar 2012 Step-by-step to Unlock Huawei e173 Modem1. First get Huawei E173 Firmware Download.2. Download Universal Master Code.exe. 20 Oct 2012 Download version 23 Normal setup (Installer setup.exe) from below link. Free Huawei e173 drivers. If your wireless modem Huaewi e173 3G is not working on Windows 7 or Vista, install the following drivers.

• Insert the unsupported SIM card in your modem and plug in to your computer. Arkaos Dmx 3.5 Serial Download. • Follow all the installation procedures until to the last prompt to ‘ Input the unlock code‘.

• For Huawei models get the unlock code from or from. You will be provided with two codes – the unlock code and the flash code. • Now copy the unlock code, paste it in where you are prompted to Input unlock code and press ‘ OK‘. • Install (Windows only) and check the unlock status. Now your Huawei E173 U-1 is unlocked and voice functions are enabled! Unlocking Huawei E173 U-1 modem USB stick and enabling voice functions is simply done by using DC-Unlocker for SIM unlocking (costs are 4 EURO), or by the cost-free alternative option, and DC-Files for updating the firmware including voice functions (for free). This updated E173 U-1 USB modem can be used as a USM modem GSM Gateway on FRITZ!Box models like a FRITZ!Box 7390.