v4
Corrected the following mistakes: - Incrementing TTL & HL on the wrong network interface (rmnet). - Not removing properties before setting them; changes don't apply as intended without doing this. - Not waiting until the end of the PREROUTING iptables chain to increase TTL/HL. - Suggesting to download a huge app (Termux) to check for one thing, which is TTL & HL decrement/increment support.
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4 changed files with 29 additions and 24 deletions
16
README.adoc
16
README.adoc
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@ -29,16 +29,15 @@ This guide is tested from an unlocked US https://swappa.com/listings/google-pixe
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. Install the following apps:
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* The https://f-droid.org/en/packages/com.termux/[Termux] terminal emulator from F-Droid only (https://wiki.termux.com/wiki/Termux_Google_Play[why?]).
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* A https://f-droid.org/repo/jackpal.androidterm_72.apk[terminal emulator]; for that app make sure to allow all permissions it asked for.
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* https://apkpure.com/network-signal-guru/com.qtrun.QuickTest[Network Signal Guru] for its radio band locking to maintain and increase network speeds.
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** Tinkering is required to find your current location's best radio bands.
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* https://github.com/AdAway/AdAway/releases[AdAway] to block Network Signal Guru's advertising.
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** AdAway requires you to enable "Systemless Hosts" in Magisk's settings.
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=== Testing mangling support
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. Open Termux.
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. Open a terminal emulator.
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. `$ su`
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. `# iptables -t mangle -A POSTROUTING -o null -j TTL --ttl-inc 1; ip6tables -t mangle -A POSTROUTING -o null -j HL --hl-inc 1`
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** No output = good, skip ahead to "1. Blocking Android snitching..."
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@ -256,13 +255,18 @@ TIP: After enabling USB tethering, enable "Data Saver". This tells Android to re
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This will test for throttling of streaming servers (Netflix), various forms of data fingerprinting, and tethering/hotspot detections.
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. Connect to a VPN on the tethered-to (client) device, then repeat the above step.
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. Optionally, speedtest again after installing https://github.com/tytydraco/KTweak-Android-App/releases[KTweak] and applying its "throughput" profile.
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=== If the VPN can't connect:
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. Check if IPv4 or IPv6 is being used to reach the VPN server.
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** For T-Mobile, connecting through IPv6 may be required.
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. If the VPN still can't connect, try each supported protocol in this order:
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** WireGuard -> IKEv2/IPSec -> SoftEther -> AnyConnect [TorGuard only] -> OpenVPN (UDP, port 443) -> OpenVPN (TCP, port 443) -> OpenVPN over SSL (TCP, port 443)
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** WireGuard -> IKEv2/IPSec -> SoftEther -> OpenVPN (UDP, port 443) -> OpenVPN (TCP, port 443) -> OpenVPN over SSL (TCP, port 443)
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== 4. Getting better internet speeds
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. Search for "Roaming" in the Settings app, then disable Roaming.
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** Roaming to a different telecom usually means unavoidable throttling. Usually roaming only happens when signal strength is either very poor or non-existent from your telecom. +
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For example, T-Mobile USA's agreement with AT&T allow the usage of AT&T towers, but only up to 250kbps download & upload speeds is allowed while roaming on AT&T's network.
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. Use Network Signal Guru to set the allowed LTE bands to only the "LTE 4x4 Bands" listed on https://cacombos.com/device/G025E[cacombos.com] for your device.
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== Appendices
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@ -1,7 +1,7 @@
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id=unlimited-hotspot
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name=Unlimited Hotspot
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version=v3
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versionCode=3
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version=v4
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versionCode=4
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author=felikcat
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description=https://github.com/felikcat/unlimited-hotspot
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updateJson=https://raw.githubusercontent.com/felikcat/unlimited-hotspot/master/update.json
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27
service.sh
27
service.sh
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@ -1,31 +1,32 @@
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#!/system/bin/sh
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MODDIR=${0%/*}
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# resetprop (without -n) = deletes a property then modifies it, this forces property_service to update that property immediately.
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# Don't automatically insert 'dun' into the APN,
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# which would persistently tell the telecom that tethering was used.
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# At that point, only after a reboot and not getting 'dun' added again would mask it.
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settings put global tether_dun_required 0
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resetprop -v tether_dun_required 0
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# Tethering hardware acceleration causes high ping issues on the Pixel 4a (5G).
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settings put global tether_offload_disabled 1
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resetprop -v tether_offload_disabled 1
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# Don't tell the telecom to check if tethering is even allowed for your data plan.
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settings put system net.tethering.noprovisioning true
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settings put system tether_entitlement_check_state 0
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resetprop -v net.tethering.noprovisioning true
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resetprop -v tether_entitlement_check_state 0
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# Failsafe: Incase these iptables entries were already present, remove them once.
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for INTERFACE in "v4-rmnet_data+" "wlan1" "bt-pan"; do
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iptables -t mangle -D PREROUTING -i $INTERFACE -j TTL --ttl-inc 1
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iptables -t mangle -D POSTROUTING -o $INTERFACE -j TTL --ttl-inc 1
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ip6tables -t mangle -D PREROUTING ! -p icmpv6 -i $INTERFACE -j HL --hl-inc 1
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ip6tables -t mangle -D POSTROUTING ! -p icmpv6 -o $INTERFACE -j HL --hl-inc 1
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# Don't apply iptables rules until Android has fully booted.
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until [ $(getprop sys.boot_completed) -eq 1 ]; do
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sleep 1
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done
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# Bypass TTL/HL detections for only Tether device (server) -> Tethered To devices (client).
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# WARNING: Routers (as the client) require their own TTL/HL increment script.
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for INTERFACE in "v4-rmnet_data+" "wlan1" "bt-pan"; do
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iptables -t mangle -I PREROUTING -i $INTERFACE -j TTL --ttl-inc 1
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# Tethering interfaces -> rndis0: USB, wlan1: Wi-Fi, bt-pan: Bluetooth.
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# -A: last rule in chain, -I: "head"/first rule in chain (by default).
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for INTERFACE in "rndis0" "wlan1" "bt-pan"; do
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iptables -t mangle -A PREROUTING -i $INTERFACE -j TTL --ttl-inc 1
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iptables -t mangle -I POSTROUTING -o $INTERFACE -j TTL --ttl-inc 1
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ip6tables -t mangle -I PREROUTING ! -p icmpv6 -i $INTERFACE -j HL --hl-inc 1
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ip6tables -t mangle -A PREROUTING ! -p icmpv6 -i $INTERFACE -j HL --hl-inc 1
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ip6tables -t mangle -I POSTROUTING ! -p icmpv6 -o $INTERFACE -j HL --hl-inc 1
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done
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@ -1,6 +1,6 @@
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{
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"version": "v3",
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"versionCode": 3,
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"zipUrl": "https://github.com/felikcat/unlimited-hotspot/releases/download/v3/unlimited-hotspot-v3.zip",
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"version": "v4",
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"versionCode": 4,
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"zipUrl": "https://github.com/felikcat/unlimited-hotspot/releases/download/v4/unlimited-hotspot-v4.zip",
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"changelog": "Thank you for using the unlimited hotspot module by felikcat!"
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}
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