It’s quite a common practice for many carriers across the globe to lock devices they sell to just their networks. The usual victim of this tends to be modems though feature phones and smartphones have also similarly faced such measures, albeit less in the recent past, perhaps due to the proliferation of multi-sim devices.

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Carriers can justify this measure on grounds of selling such devices at a discount, on contract or simply, on the basis of competition.

May 02, 2012 So now just follow this step by step guide how to unlock your Huawei E173, E1750 or E1550 data card as below: 1. Download Universal Master Code.exe. Enter your 15 Digit IMEI number as shown in the below screen and press Calculate for Unlock Code and Flash Code. Plug your data card with an unaccepted SIM to your PC.

With such temporal reasons, unlocking network locked devices proves to be inevitable at some point. After all, as consumers our instincts drive us to where the best value for our money is guaranteed.

If the network to which the device is locked to can’t offer that at some point in time by virtue of being an evolving business, it makes little sense why one shouldn’t shift to better offerings. Unlocking your device opens the door to such a possibility.

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It’s no wonder that unlocking modems as well as phones has become a most sought after service. As a matter of fact, it’s big business now considering the countless premium online services that charge to have devices, smartphones included, unlocked from a particular carrier.

Get your Unique E173 Unlock Code Now! Fast Delivery, Lowest Price Promise, Simple Instructions and Money Back Guarantee. You will get manufacturer-issued unlock code(s) directly sourced from Huawei. You will be provided with step-by-step instructions on how to enter your unlock code on your Huawei E173 handset.
Jun 06, 2011 Unlocking method: 1) First of all using universal Master Code get flash code and unlock code for the device. 2) Then plug in the device to your desktop/laptop. 3) After all the drivers have been loaded just double click on E173Update11.126.85.00.114B427.exe and it will find your data card automatically.

Ideally, as I’ve read somewhere, carriers may be obliged to unlock your device for a fee (a hefty one usually) or, for free if you are not under any contract with them or if the device warranty has expired.

But as we know, while this may hold true for some few markets (US), generally speaking it’s an unheard of practice in most countries. As such you’re forced to employ either one of those aforementioned premium online services or to just do it yourself.

In this post, I will detail how you can unlock various (not all) Huawei modems on your own at the cheap price of free. However, this might not work for everyone, especially so if you’re using a more recent model.

How Modem Unlocking Works

A Huawei Modem

Before we get to the tools it’s necessary you understand how the unlocking is done. The principle is quite simple:

When you insert a SIM card of a different carrier in a Huawei modem, the dongle software/ dashboard that you connect with will reject it and prompt you to enter an Unlock Code.

The unlock code, sometimes called the NCK Code, is an 8-digit code computed from the modem’s unique International Mobile Equipment Identity (IMEI) number. That is to mean, the unlock code for one modem is going to be different from another even if they’re of the same model.

If you key in the correct unlock code, the modem will be unlocked automatically from the original carrier’s network and will accept the inserted SIM card. Free mp3 download online.

Typically, in Huawei modems you get 10 unlock attempts which are more than enough should you insert a wrong code. If you exhaust the 10 attempts, you may be able to reset the counter. More on this later.

Afer unlocking your modem, on some you may be able to unlock the voice feature and make calls using it.

Unlocking Your Huawei Modem

There are some few tools out there that I’ve used in the past to unlock some of my modems. All of them use the same principle as explained above: provide the modem’s IMEI number and they’ll compute the unlock code for you.

Some of them will also calculate a Flash Code which you will need should you wish to flash a firmware update onto the modem.

A. Getting Started

1. I’ve uploaded all the tools in my disposal in one ZIP package that you can find here.

NOTE: I do not own any of these tools. All these are available for free online if you look in the right places.
Also, these are just for Windows PCs and you may have to install .Net framework for some to work if you’re using Windows XP.

2. Extract the package and you’ll find four tools there:

Universal MasterCode
Universal Advance Unlocker
Huawei Modem Unlocker 5.8.1
Huawei Tool v2.4.3/2.4.2 (Homepage) [requires .NET Framework v2.0 on Windows XP or older]

All of them are portable with the exception of Universal Advance Unlocker which you’ll have to install first.

Older Huawei Models

B. Calculating the Unlock Code

Universal MasterCode and Universal Advance Unlocker are the only ones that list the Huawei models they support so use those first. The two others also have wide support, it just that they don’t explicitly mention the models.

Some of the models supported by these two include:

Modem Models
E155 E156 E156G E1550 E1552 E156G
E160 E160G E161 E166 E169 E169G
E170 E172 E176 E1762
E180 E182E
E196
E226 E270 E271 E272
E510
E612 E618 E630 E620 E630+ E660 E660a
E800 E870 E880
EG161 EG162 EG162 EG162G EG602 EG602G
VODAFONE K2540, K3515, K3520, K3565, K3520, K3565, K3715

Note:

For E220 use Universal Advance Unlocker or;
For E153, E173 & E220 use Huawei Tool v2.4.3 (explained later)
the model number and IMEI are usually printed on the modem

i. Universal MasterCode & Universal Advance Unlocker

1. When you run any of these two, switch first to the Huawei tab then select your Huawei model from the list in Universal Advance Unlocker or check the Huawei Supported in the case of Universal MasterCode.

Universal Mastercode

2. Enter the modem’s IMEI code and hit the calculate button to get the 8-digit Unlock code/NCK code.

C. Entering the Unlock Code

After you get the code this is how yo

Huawei E173 Unlock Code