Many users using this tool to unlock ehi config files created on http injector till 2019 from Brazil in south America to Nigeria in in west Africa..
These files are Required files for unlocking ehi config files that must be installed first before any thing :
Download links are on external blog..
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note: you need root access on your phone..
root can be achieved with or without computer use kingroot app:
you can get this apk file [king root] here on epro opener unlocker for eproxy with root access
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And also you can get kpn tunnel config unlocked, download files on this page: