With the help of this post you can unlock all supported E5577 models with “s” suffix (Like E5577s-301, E5577-321 and so on). However, this method will not work with Bolt E5577Cs-603 Indonesian router.

Download the following required files which will be used in the unlocking of Huawei E5577:

  1. Huawei Firmware E5577s-603 Update 21.200.05.00.00 (Universal)
  2. Firmware Update Huawei E5577s-321 21.180.99.03.00 (General)
  3. Latest Huawei Mobile Partner for drivers
  4. Universal Master Code Tool to generate firmware code or you can also leave comment
  5. DC unlocker

How to unlock Huawei E5577 mobile WiFi router?

  1. Install Huawei mobile partner.

2. Use universal master code tool to generate firmware code through Huawei tab or comment below to get the firmware code / password.

3. Reset the Huawei E5577 and connect to Windows PC with its default data / USB cable.

4. Run firmware update version 21.180.99.03.00.

5. It will put your device in download mode and detect your device.

6. Now the E5577 router will ask you password, input the firmware code which you have already got in Step 2.

7. Wait till finish wizard.

8. Now install DC unlocker.

9. Detect your Huawei E5577 router under it.

10. Copy and paste the below command at the end of the result:

“AT^NVRDEX=50503,0,128” (without quotes) and press Enter from the keyboard.

11. It will generate some NV codes in hash format.

12. Copy all the details then pay 6 USD through PayPal button of this website. Once paid, you can leave a comment or I will contact you through email and will ask you about generated hash code. Accordingly, NCK / unlock code will be generated for your E5577 device and will be emailed you back.

Note : Once you receive the unlock code, update the device with Huawei E5577 Firmware 21.200.05.00.00; which you have already downloaded.

62 COMMENTS

  1. Hi,

    I bought the e5577s-321 form my operator, not simlocked. (France)
    Can I flash the update 21.316.01.00.00 without problem ? (I want to have a stock huawei firmware, not the operator’s firmware)

  2. Hi,

    I have boughgt the E5577s-321 from my operator (Movistar) but I don’t know if it is Locked or not, anyway, I would like to unlock it. When I try to execute the step 1 it fails, and I have an error concerning “Error code 10: Port finding”. Any suggestion?

  3. Hi,

    I have the e5577 bolt v21.200.07.00.00 its unlocked but it show me the SSID and the password on the screen , how can i remove it so it wont show up again

  4. Dear Kamlesh,

    I unlocked my device and its working on different Sims also but the problem I am facing is that it is not getting registered on 4g network. In preferred network it is giving only 3 options which are auto, 2g and 3g. Please help.

    Thanks

  5. IMEI: 350123009876543
    Country: Germany, Telekom locked!
    Gerätename: E5577Cs-321
    IMSI: 262074997993129
    Hardware-Version: CL1E5573SM11
    Software-Version: 21.316.01.01.748
    Weboberflächen-Version: 17.100.15.00.748

  6. Hi,

    DC Unlocker doesn’t find the modem. Can you please help?

    It’s a Zain Saudi Arabia E5577s-321.

    ————————
    DC – Unlocker 2 Client 1.00.1277

    Detecting modem :

    selection :
    manufacturer – Huawei modems
    model – Auto detect (recommended)

    modem not found !
    ——————————

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