Internet Protocol Version 6 (IPv6) is designed to tackle the exhaustion issue that appeared in IPv4 and is currently the most recent version available. If you want to disable IPv6 on Android, follow the guide below:
1 Android device should be rooted and the boot-loader should be unlocked.
2 Install Terminal Emulator for android from below link:
3 In Terminal app type SU SuperSU will ask to grant root access give access to the app.
4 Write this command in terminal after SU permission is granted command “echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6”
IPv6 is now disabled but every time Wi-Fi connects/disconnects or network changes, Step 4 will be required to be repeated.
How to alternatively disable IPv6 on your Android device using Mobile Data?
Note: The method below works only with your current Mobile Data and may vary with Android’s UI interface of your model.
1 Tap Settings
2 Tap Networks & Internet
3 Tap Mobile network
4 Tap Advanced
5 Tap Access Point Names
6 Tap the Access Point Name you are using.
7 Tap APN Protocol
8 Tap IPv4
9 Tap “Save” to apply changes
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