From 4.0.0-7 to and including 9.2.0-20 is safe for ninjhax. However, be careful and don't upgrade without first checking if a new system update has been pushed.
From 4.0.0-7 to and including 9.2.0-20 is safe for ninjhax. However, be careful and don't upgrade without first checking if a new system update has been pushed.