It depends on your uptime requirements.
to verify your current flash space and perform the bundle installation? c800universalk9mzspa1593m10bin better
When comparing IOS images, several factors contribute to one being considered "better" than another: It depends on your uptime requirements
) that causes it to drop all GRE and IPSec traffic on C800 series devices. Why 15.9(3)M10 is a "Better" Choice VPN Stability : Official Cisco Bug Reports c800universalk9mzspa1593m10bin better