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Upgrading my 3.1.3 Spirit iPhone 3GS jailbreak to 4.2.1 greenpois0n
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Just some notes for future reference. Steps taken: Update stock firmware to 4.2.1 Follow iClarified steps using greenp0is0n. Reinstalled Cydia apps, etc. Encounters: greenpois0n JB stopped at “firmware download etc etc 60000ms”. Waited 10 mins after that but it wouldn’t budge. Just reset the device and restart the whole JB process. Old jailbreak files…