* On other Firefox OS devices: generally unsupported, unless device is unlocked/rooted.
===FxOS version: 2.0+===
You don't need to install certificates; the system preference ''dom.mozApps.use_reviewer_certs'' just needs to be set to ''true''.
Use adb, open a shell and type the following commands:
#echo 'user_pref("dom.mozApps.use_reviewer_certs", true);' >> prefs.js
#start b2g
== Firefox Desktop and Android ==