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iphone 5G 32GB, from os 9.3.2 and updated to os 10.0.2, ive been trying this step twice https://support.apple.com/en-bn/HT205248 (If you changed the date to May 1970 or earlier and can’t restart your iPhone),it was updating iphone os with itunes, and when the update is complete iphone still disabled, without emergency call, just black screen and this, iphone is disabled try again in 46 years, 9 months, 1 day, 50 minutes. and in the itunes said “iTunes could not connect to the iphone “igfados” because it is locked with a passcode. you must enter your passcode on the iphone before it can be used with iTunes. how am i supposed to type the passcode if the iphone is disabled? is there any way to fix it without erasing the data? theres a lot important thing on my iphone, please help me quickly to fix this, thanks for your attention. ps: it happen to me since i remove the iphone battery, before it was updated, it says iphone is disabled try again in 24 million minutes, the iphone is not in jailbrake, maybe if iphone is jailbroken i could fix with it with ssh over usb, and please give me an advice what should i do to prevent any problem coming,

What has happened is that the date and time has been reset due to the battery being unplugged. Once that happens, your only options to resynchronize the date and time is the use of internet connection to the phone or plug into iTunes. First start off with having a sim card that has cellular data enabled, date and time will only sync automatically when the phone has airplane mode disabled and cellular data enabled with an sim card. If the phone automatically connects to a Wi-Fi network the date and time will synchronize too. If you are able to disable airplane mode and enable Wi-Fi from the bottom pull up bar (forgot what they call it) do that if you do have a sim card installed or a known Wi-Fi network saved on the phone. Last resort is to do upgrade via iTunes first and if that does not work I’m afraid you will have to do a restore which will wipe all data and the only backup you can use is iTunes restore backups via iTunes if the phone has been synchronized or used on iTunes before.

Did you try disconnecting the battery again?

This occurred to me wile repairing a clients phone it happens when the device is locked out for a period of time and then you pull the battery witch resets the date and time so when you power it back in it shows a insane amount of time the fix is to put a working sim in the device and reboot it and all should be fine.

If phone still disabled after reboot with working sim, use RecBoot to put phone in recovery mode and then out of recovery more. Works here :-)

Does anyone know if taking the battery out resets the number of attempts you get to try and unlock the iPhone?i have some sentimental stuff on it and I don’t want to get locked out because it’s an older model and I won’t be able to get back in