Disclaimer : Administration of routerunlock shall not be liable in case of unknowing change of the firmware of your modem / router / MiFi. Moreover, if you want any specific firmware of related to Huawei dongle / Pocket MiFi, then leave a comment, if it will be available then will be published. All the firmware which are posted at routerunlock, are free of cost and there is no need to pay anyone.


  1. can i update this version on airtel 4g hotspot ? pahle isme jio sim use karte the tab jio me massage aata tha but abhi 1.5 months koi sms nhi aa rha hai to kya problem ho skti hai

  2. Huawei E5573Cs-609 device me pahle jio network par sms aate the but ab nhi aa rha hai iska kya reason ho skta hai ?

  3. how to unlock airtel 4g hotspot E5573Cs-609 firmware Software version:21.329.63.00.284
    Web UI version: … i tried boot shot method but usbloader.bin file in loading …any solution…

  4. after connect modem for updates required UNLOCK CODE…worst this is not free ware, so why are you committed this is free.

  5. Installing Balong, my Airtel mobile 4g router e5573cs-609 dead. Not blinking light, only showing Huawei mobile 3g interface com 3 in device manager. Any solution?

  6. My modem was unlocked with DC Locker, after 1 month, its dashboard is not showing up, signal is blinking with Red.
    can this be fixed ?

  7. Boot short karne par banglog me device show kar raha hai but usb bin file load nehi ho raja hai how to unlock airtel 4g hotspot E5573Cs-609 firmware

    • You have insufficient knowledge about boot shot. By the way, if you regularly monitor the routerunlock.com, we have never mentioned about boot shot in new posts with latest firmware’s.

  8. my hotspot is unlocked. but i forgot username and password. now reset button also not working. what to do

  9. my device is unlocked and i forget my password. when i connect to pc no internet access proble ? any solution?

  10. Hi kamlesh , my device airtel e5573cs-609 (soft.verision- 21.329.63.00.284) is already unlocked but i want to run without battery but dc unlocker command not working which given in youtube … Do you do that ?? And which cost ?
    If answer is yes then provide your email for contact personally.

  11. Hi kamalesh. i tried to unlock my airtel e5573s-606.AFTER DOING THE first step i.e updating the frimware and used the dc unlocker to generate codes. the device was not detecting and continuously 2 green loghts are on on the hotspot.the usb port was not detecting

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