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Smart Rocket SIM stopped working on China Unicom VN007+

China Unicom VN007+ 5G CPE is a modem router that supports both 4G / 5G wireless and wired connection. It supposed to work in all networks, however some unit has stopped working with Smart SIM after free data promo expiration, and even if it was subscribed to a new data promo. It is likely that Smart network blocks the IMEI of the device. Apparently, users from phcornet.net suggests that changing the IMEI of the modem would resolve the issue.

In this post, we will give you the step-by-step instructions on how to change the IMEI of China Unicom VN007+ 5G CPE modem router. Thus, changing it would allow data traffic again.

How to fix Smart SIM on China Unicom VN007+ modem

To change the IMEI of the modem, we need to unlock the root access, downgrade its firmware to V 1.10.10 and open ADB port. You will need to download lower version of firmware and ADB tools.

Unlock root access

  • To unlock the root access, connect your PC to the modem, go to the default IP address, http://192.168.0.1 then login using username: admin password: admin. If the default IP address is inaccessible, open Command Prompt terminal then type ipconfig /all, see the default gateway.
  • Enable developer mode of the browser by pressing F12 or Fn+F12 keys. Click Console tab then type Page.level=1 press enter key. Always repeat this process whenever you cannot see hidden features of the modem.
  • From the Modem Dashboard, navigate to Management > System Settings > Change Password. Select the Administrator user then input the new password (for example 12345). You may now logout.
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Downgrade firmware version

  • To downgrade the firmware version, download the firmware here
  • Login using root access, username: superadmin password: 12345.
  • Navigate to Management > system upgrade then click browse, select the old firmware version 1.10.10. Click upload button, then system upgrade. If your system firmware is higher than 1.12.15, you need to downgrade to the next lower version one by one. It will take few minutes to upload and flash the firmware into the device.

Open ADB port

  • Download ADB tools here. Extract it in the drive C.
  • Go to Management > ADB switch, enable it.
  • Run Command Prompt as administrator, change the directory where extracted ADB tools is. Type the following commands one by one.
cd C:/platform-tools_r34.0.3-windows
adb connect 192.168.0.1:5555
adb shell
mdlcfg -f SYS_WEB_SUPER_PWD_RULE="1"
mdlcfg -a SYS_WEB_SUPER_PWD_RULE="1"
mdlcfg -f SYS_SUPER_LOGIN_PWD="12345"
mdlcfg -a SYS_SUPER_LOGIN_PWD="12345"
mdlcfg -c
exit

Change IMEI of China Unicom VN007+ 5G CPE

  • Go to free online IMEI generator. copy it.
  • Login to the modem using the root access.
  • Go to Management > AT Command.
  • Input this command, replacing the new generated IMEI. then press send.
AT+SPIMEI=0, "IMEI CODE HERE"

You’re done, restart your device and check the internet connection. You can also upgrade back to the latest firmware version.

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