#!/system/bin/sh
# 3G TurboCharger created by zeppelinrox.
cat > /sdcard/3GTurboCharger.txt <<EOF
Safe?
ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hep=1
ro.ril.hsdpa.category=8
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
ro.ril.hsupa.category=6
ro.ril.def.agps.mode=2
ro.ril.def.agps.feature=1
ro.ril.enable.sdr=1
ro.ril.enable.gea3=1
ro.ril.enable.fd.plmn.prefix=23402,23410,23411
ro.ril.disable.power.collapse=0
ro.ril.enable.a52=0
ro.ril.enable.a53=0
ro.ril.enable.dtm=0

Update 2
ro.ril.hsxpa=2
ro.ril.gprsclass=12
ro.ril.hep=1
ro.ril.hsdpa.category=28
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
ro.ril.hsupa.category=9
ro.ril.def.agps.mode=2
ro.ril.def.agps.feature=1
ro.ril.enable.sdr=1
ro.ril.enable.gea3=1
ro.ril.enable.fd.plmn.prefix=23402,23410,23411
ro.ril.disable.power.collapse=0
ro.ril.enable.a52=0
ro.ril.enable.a53=1
ro.ril.enable.dtm=1

Update 3 test 8
ro.ril.hsxpa=3
ro.ril.gprsclass=32
ro.ril.hep=1
ro.ril.hsdpa.category=28
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=268449905
ro.ril.hsupa.category=9
ro.ril.def.agps.mode=2
ro.ril.def.agps.feature=1
ro.ril.enable.sdr=1
ro.ril.enable.gea3=1
ro.ril.enable.fd.plmn.prefix=23402,23410,23411
ro.ril.disable.power.collapse=0
ro.ril.enable.a52=0
ro.ril.enable.a53=1
ro.ril.enable.dtm=1

Experimental
ro.ril.hsxpa=5
ro.ril.gprsclass=34
ro.ril.hep=1
ro.ril.hsdpa.category=28
ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=268449905
ro.ril.hsupa.category=9
ro.ril.def.agps.mode=2
ro.ril.def.agps.feature=1
ro.ril.enable.sdr=1
ro.ril.enable.gea3=1
ro.ril.enable.fd.plmn.prefix=23402,23410,23411
ro.ril.disable.power.collapse=0
ro.ril.enable.a52=1
ro.ril.enable.a53=1
ro.ril.enable.dtm=1
EOF
line=================================================
speed=2
sleep="sleep $speed"
clear
echo "  REMINDER: ONLY USE BUSYBOX v1.18.2 OR LOWER!!"
echo ""
echo $line
echo ""
$sleep
echo " The 3G TurboCharger Installer by zeppelinrox"
echo ""
echo $line
$sleep
while :
echo ""
do
 echo $line
 $sleep
 echo "\\\\\\\\ 3 G  T U R B O C H A R G E R - M E N U ////"
 echo " =============================================="
 echo " 1. Fast!?"
 echo " 2. Faster!?"
 echo " 3. Fastest!?"
 echo " 4. Experimental 1!"
 echo " 5. Experimental 2! (nulled variable)"
 echo " 6. UnTurboCharger"
 echo " 7. REBOOT! (WARNING - There is NO Warning!)"
 echo " 8. Exit"
 echo ""
 echo " Your Mileage WILL Vary!"
 echo ""
 echo " View settings in /sdcard/3GTurboCharger.txt!"
 echo ""
 echo " Test all 4 to see which works best for you!"
 echo ""
 echo " The SpeedTest.Net app is highly recommended :)"
 echo ""
 echo -n " Please enter option [1 - 8]: "
 read turboopt
 echo ""
 $sleep
 if [ "$turboopt" -ne 8 ] 2>/dev/null; then
	mount -o remount,rw /system 2>/dev/null
	for m in /dev/block/mtdblock*
	do
	mount -o remount,rw $m /system 2>/dev/null
	done
 fi
 echo $line
 echo "            \\\\\\\\ 3G TURBOCHARGER ////"
 echo "             ======================="
 echo ""
 $sleep
case $turboopt in
  1) echo "                      FAST?"
	 hsxpa=2;gprsclass=12;hsdpa=8;htcmaskw1=14449;hsupa=6;afivetwo=0;afivethree=0;dtm=0;;
  2) echo "                     FASTER?"
	 hsxpa=2;gprsclass=12;hsdpa=28;htcmaskw1=14449;hsupa=9;afivetwo=0;afivethree=1;dtm=1;;
  3) echo "                     FASTEST?"
	 hsxpa=3;gprsclass=32;hsdpa=28;htcmaskw1=268449905;hsupa=9;afivetwo=0;afivethree=1;dtm=1;;
  4) echo "                 EXPERIMENTAL 1!"
	 hsxpa=5;gprsclass=34;hsdpa=28;htcmaskw1=268449905;hsupa=9;afivetwo=1;afivethree=1;dtm=1;;
  5) echo "                 EXPERIMENTAL 2!"
	 hsxpa=;gprsclass=;hsdpa=;htcmaskw1=;hsupa=;afivetwo=;afivethree=;dtm=;;
  6) echo "             ======================"
	 echo "            //// UNTURBOCHARGER \\\\\\\\";;
  7) echo "                    !!POOF!!"
	 $sleep
	 reboot;;
  8) echo " Did you find this useful? Feedback is welcome!";;
  *) echo "      Invalid entry... Please try again :)"
	 sleep 2
	 echo "            1 <= Valid Option => 8 !!";
	 echo ""
	 sleep 2
	 echo -n "        Press Enter key to continue... ;) ";
	 read enterKey
	 echo ""
	 turboopt=0;;
esac
echo $line
echo ""
$sleep
if [ "$turboopt" -ge 1 ] && [ "$turboopt" -le 6 ]; then
	if [ "$turboopt" -ne 5 ]; then
		if [ ! -f "/system/build.prop.unsuper" ]; then
			echo " Backing up ORIGINAL build.prop..."
			cp -r /system/build.prop /system/build.prop.unsuper
		else
			echo " Leaving ORIGINAL build.prop backup intact..."
		fi
		echo ""
		$sleep
	fi
	sed -i '/TurboCharger/,/TurboCharged/d' /system/build.prop
	if [ "$turboopt" -ne 6 ]; then
		sed -i '1i\# 3G TurboCharger by zeppelinrox.' /system/build.prop
		sed -i '2i\# DO NOT DELETE COMMENTS. DELETING COMMENTS WILL BREAK UNINSTALL ROUTINE!' /system/build.prop
		sed -i '3i\# Homework... see links for resources used.' /system/build.prop
		sed -i '4i\# http://forum.xda-developers.com/showthread.php?t=595108' /system/build.prop
		sed -i '5i\# http://forum.xda-developers.com/showthread.php?t=924440' /system/build.prop
		sed -i '6i\# http://forum.xda-developers.com/showpost.php?p=5123531&postcount=46' /system/build.prop
		sed -i '7i\# http://www.nickshertzer.com/wordpress/?p=600' /system/build.prop
		sed -i '8i\ro.ril.hsxpa='$hsxpa /system/build.prop
		sed -i '9i\ro.ril.gprsclass='$gprsclass /system/build.prop
		sed -i '10i\ro.ril.hep=1' /system/build.prop
		sed -i '11i\ro.ril.hsdpa.category='$hsdpa /system/build.prop
		sed -i '12i\ro.ril.enable.3g.prefix=1' /system/build.prop
		sed -i '13i\ro.ril.htcmaskw1.bitmask=4294967295' /system/build.prop
		sed -i '14i\ro.ril.htcmaskw1='$htcmaskw1 /system/build.prop
		sed -i '15i\ro.ril.hsupa.category='$hsupa /system/build.prop
		sed -i '16i\ro.ril.def.agps.mode=2' /system/build.prop
		sed -i '17i\ro.ril.def.agps.feature=1' /system/build.prop
		sed -i '18i\ro.ril.enable.sdr=1' /system/build.prop
		sed -i '19i\ro.ril.enable.gea3=1' /system/build.prop
		sed -i '20i\ro.ril.enable.fd.plmn.prefix=23402,23410,23411' /system/build.prop
		sed -i '21i\ro.ril.disable.power.collapse=0' /system/build.prop
		sed -i '22i\ro.ril.enable.a52='$afivetwo /system/build.prop
		sed -i '23i\ro.ril.enable.a53='$afivethree /system/build.prop
		sed -i '24i\ro.ril.enable.dtm='$dtm /system/build.prop
		sed -i '25i\# To fix connection issues, change "enable.a53" and "enable.dtm" to be =0' /system/build.prop
		sed -i '26i\# End of 3G TurboCharged Entries' /system/build.prop
		echo " 3G TurboCharger settings installed..."
	else
		echo " UnTurboCharging Complete..."
	fi
	echo ""
	$sleep
	echo "                            ...Reboot required!"
	echo ""
	echo $line
	echo ""
	$sleep
fi
echo " The 3G TurboCharger Installer..."
echo ""
$sleep
echo "     ...by -=zeppelinrox=- @ XDA & Droid Forums"
$sleep
if [ "$turboopt" -eq 8 ]; then
	echo ""
	echo "                                     Buh Bye :)"
	echo ""
	$sleep
	exit 0
fi
chmod 644 /system/build.prop
mount -o remount,ro /system 2>/dev/null
for m in /dev/block/mtdblock*
do
mount -o remount,ro $m /system 2>/dev/null
done
done