What's the best starting point for a jailbreak that prioritizes security and the ability to revert back? I'm looking for a method that minimizes bricking risks, preserves OTA updates, and keeps data intact. What open-source tools do you recommend for automating backups and verifying system integrity before and after the process? Tips to avoid conflicts with existing security patches would also be welcome. Any real-world experiences or best practices to share?
General tips for considering a secure and reversible jailbreak
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I first did a full backup using idevicebackup2, then ran checkra1n in "semi-tethered" mode, and verified system integrity by comparing the sha256sums of the partitions before and after the jailbreak. That way, I could restore the original ROM without losing any data. To automate these backups and integrity checks, I use a small bash script that combines idevicebackup2 and imobiledevice-info to fetch and compare the hashes.