Enable ‘Unknown sources’ under Settings > Security
adb shell settings put global verifier_verify_adb_installs 0mount -o rw,remount /system
openssl x509 -subject_hash_old -in $file > $hash_number
mv /sdcard/ca.file /system/etc/security/cacerts/$hash_number.0
adb shell am force-stop $package_name
iptables -t nat -A OUTPUT -d 0.0.0.0/0 -p tcp -j DNAT –to 192.168.20.21
iptables -t nat -D OUTPUT -d 0.0.0.0/0 -p tcp -j DNAT –to 192.168.20.21
