First of all, Linux and OS X come with sqlite3 by default. Windows users will need to download the executable. With that said, here is how you can enable sideloading the old-fashioned way.
You should be all set.
Code:
[gdanko@dolemite ~]$ adb shell
$ su
# busybox cp /data/data/com.android.providers.settings/databases/settings.db /data/data/com.android.providers.settings/databases/settings.db.bak
# chown system.system /data/data/com.android.providers.settings/databases/settings.db
# ls -l /data/data/com.android.providers.settings/databases/settings.db*
# busybox cp /data/data/com.android.providers.settings/databases/settings.db /sdcard
# exit
$ exit
[gdanko@dolemite ~]$ adb pull /sdcard/settings.db
sqlite3 settings.db
sqlite> SELECT * FROM secure WHERE name="install_non_market_apps";
3|install_non_market_apps|0
sqlite> UPDATE secure SET value=1 WHERE name="install_non_market_apps";
sqlite> SELECT * FROM secure WHERE name="install_non_market_apps";
3|install_non_market_apps|1
sqlite> .quit
[gdanko@dolemite ~]$ adb push settings.db /sdcard/
[gdanko@dolemite ~]$ adb shell
$ su
# busybox cp /sdcard/settings.db /data/data/com.android.providers.settings/databases/settings.db
# chown system.system /data/data/com.android.providers.settings/databases/settings.db
# ls -l /data/data/com.android.providers.settings/databases/settings.db*
# exit
$ exit
[gdanko@dolemite ~]$ adb reboot
You should be all set.
Last edited: