Can't Reset to preactivated factory stage(emergency call screen?)
See, I just got an iPhone (2G, not 3G) and I didn't activate it yet, so
it was on the "emergency call" screen, right? I tried to unlock the
phone but I guess I kind of messed up. Now I know how to unlock it, but
since somehow I messed it up, it doesn't show the "emergency call"
screen and just shows an iTunes screen which keeps flashing on and off.
I try to make the iPhone do DFU (device firmware upgrade) mode so I can
restore then unlock the phone, but it won't work. SO THE POINT IS, can
you please tell me how to reset it back to the "Emergency Call" screen
like it was in the beginning?
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It seems that your iPhone 2G is in need of activation. To accomplish this, there are 2 ways:
A. (With AT&T as your service provider)
1. If you do not already have an AT&T sim card, contact AT&T and ask for an AT&T sim card to activate service with them. Choose your plan and insert the sim card in the iPhone.
2. Connect the iPhone to iTunes and you will be prompted to follow a few steps to proceed with the activation process.
3. Sync your iPhone for the first time.
Once completed, you will have your iPhone activated and ready to use on the AT&T network.
B. (Without AT&T as your service provider)
1. You will need to download an application to jailbreak your iPhone. (This will essentially remove certain restrictions on your iPhone 2G that prevent you from utilizing your iPhone on another network, among other things).
2. Connect your iPhone to the computer and run your jailbreak application of choice.
Once completed, your iPhone 2G will be activated and jailbroken. The "emergency call" message will disappear, though you will be prompted with a "no sim card found" message until a sim card from AT&T (or another GSM carrier) is placed in the sim tray.
Hi, is the sim card your using a 3G and not 2G, this will stop it activating. Have you tried doing a full reset of the phone in SETTINGS> GENERAL> and then at the very bottom you see RESET choose RESET ALL SETTINGS, Make sure your contacts are backed up 1st... Let me know.. Mark
Do you mean a replacement glass to put on your 1st gen iPhone? It can get a bit confusing with the 'Generation' labelling, as 2G in fact refers to 1st Generation iPhones (any prior to the 3G, hence 2G - it relates to the data connection protocol more than the hardware version).
So, with that in mind - am I correct in assuming that you have seen a 2G screen for sale?
If so then yes it will work on your 1st Gen (2G) iPhone. I haven't compared the 2G/3G screens that closely, but I do know some of the sensors are located in a slightly different position on the 3G which may in itself be an issue.
Let me know if you want me to further investigate and I'll help if I can!
Try to reinstall a jailbroken version of the iPhone OS.
Do not (ever) use reset to factory if you need the device to be jailbroken to function (e.g. in case you are using an officially unsupported operator/plan)