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I see lots of mentions of this option on Android sites, including Android.StackExchange.com, but I don't see any technical exploitation for what it does. What does this option actually do?

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Evan Carroll
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2 Answers2

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Tells telephony manager dial up networking emulation not required, not sure if thats actually required if you use net.tethering.noprovisioning=true in build.prop you can see the telephony and tethering code in the links below

https://android.googlesource.com/platform/frameworks/base/+/master/telephony/java/android/telephony/TelephonyManager.java

https://github.com/android/platform_frameworks_base/blob/355dbae680994002c48d7a66cb276a65393ecbbb/services/core/java/com/android/server/connectivity/Tethering.java

crabbypaddy
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Not exactly sure what it does, but a lot of people seem tho think this in adb shell gets them free tethering.

su
settings put global tether_dun_required 0
exit
Evan Carroll
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