Not a real crack, but almost the same:
Pre-note: the device should not have been registered with Smart before
- Create a smart account (it's free)
1. Initial config
2. Install isr4400_rommon_1612_2r_SPA.pkg
3. Install isr4400-universalk9.16.06.09.SPA.bin (Everest) (or isr4400-universalk9.16.08.03.SPA.bin (Fuji)?)
4. Activate RTU lic’s of choice, e.g. security and perf
5. Install latest Fuji release, e.g. isr4400-universalk9.16.09.08.SPA.bin
6. Create token within smart portal
7. Install latest Gibraltar release, e.g. isr4400-universalk9.16.12.06.SPA.bin
8. Configure smart on device and register with smart, with previously generated token
9. [OPTIONAL] Install latest 17.x.x image of choice
All configured licenses are now accepted as permanent