While HFW is safe for PSN, syncing trophies or playing online with homebrew enabled carries a small risk of a ban. Most users disable "syscalls" before going online. Conclusion
Recovery Menu (needed for some firmware types or repairs): HFW-4.91.1-PS3UPDAT.PUP
To use this file correctly, you must follow strict formatting and naming conventions: While HFW is safe for PSN, syncing trophies