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Solution/Fix For USIM/SIM Card Not Detected or Is Invalid

USIM SIM Card error not detected

Regardless of your Modem/USB dongle or Broadband you are having but provided you are getting this error of SIM/USIM Card is not Detected or is Invalid, this is the article you got to read since by the time you go through it, you will have discovered the solution for the above problem and how you can fix it easily and by your own self.

It so happens that many modems end up giving the error above when one happens to insert a different SIM card other than that of the first internet service provider and where by in situations like having traveled from one location to another, having switched an ISP and other reasons, one may feel like using the same gadget but only to fail due to the above error.

Whether you are running a ZTE, a Huawei, an Alcatel dongle or any other and from the different service providers for example Vodafone, MTN, Airtel, UTL, Warid, Safaricom, Yu, Kenkom and any other, you need not to worry since you will be able to do this by your own self and at least I know basing on the same procedure and process I went through some few days back when my friend from a different country donated to me a modem but which was locked to the provider he was using in his country.

What does the error stand for?

The error above in simple terms means that your modem is locked to only a single provider. Many of them do prompt for an unlock code which can be generated for free,but in case you get the above error without an unlock code prompt, then you are the target here. Before you visit amazon to order a new usb 3g modem, you can try solving your SIM/USIM Card is not Detected or is Invalid error.

During the process, there are a few must you need them in order to complete the step by step towards unlocking your device.

Requirements (must have)

  • Computer connected to the internet
  • Your USB internet dongle, Modem or Broadband.

And Once you have the above, the next step is to do the following below.

Instructions to fix USIM Not Detected or Invalid error

  • Get Dc-unlocker dongle
  • Download the the DC-Unlocking client
  • Unzip and extract the files in the folder
  • Run DC Client
  • Connect your modem with the SIM/USIM Card is not Detected or is Invalid error
  • Click on the mirror icon which stands for search
  • Once your modem has been detected, click on the Unlocking option
  • Your modem will be unlocked.

Assuming you are prompted to enter the user name and password, enter “free” for user name and “voice” for password all without quotes. You can use above solution to solve modems like Huawei b970, e970, d12hw, e220, e1550, e173, mf190, k3565 and many more others as contained in the Unlocking client.

Written by KWS Adams

My name is KWS Adams . (Call me Kateregga). I am an IT addict who loves playing around with computers and internet. Computers help me try out different things while turning them into reality, while the internet powers me stay live online. Besides computers, I am a project planning and management professional with an Award obtained from MUK, one of the oldest and best Universities in Africa. Find me on Twitter, Facebook and Whatsapp. Find more on how to contact me using the contact me page.

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