I must admit that the R-SIM interposer unlock for iPhone 4S is far from perfect unlike the ultrasn0w unlock, but it gives iPhone 4S owners the ability to use their iPhone as a phone again. Well, at least until this product becomes more mature or better solutions have been developed.
Ready? See the steps below.
Manual Mode – Selecting Your Service Provider Manually – Recommended
Before you begin, setup your iPhone 4S with the R-SIM. Turn off your iPhone 4S.
1. Switch on your iPhone 4S.
2. Go to Settings, wait until the phone app turned from light green to solid green.
3. Go to Phone > SIM Applications.
4. Tap on “Country & Operators” then select your appropriate service provider which your iPhone 4S is locked to (default is AT&T). For instance, if yours is locked to AT&T, then choose MODE 1 AT&T.
5. Go back to SIM Application menu by tapping the left arrow on top.
6. Tap on “ENTER 112 Mode.”7. Wait for the Accept Screen to come up then tap “Accept”. Go to the main menu, wait for 5 seconds then dial 112. Once connected, do not hang up.
8. Slowly eject your SIM card, then push the SIM card back into the iPhone again. Wait for the iPhone to hang up itself or hang up after you see the “no service” on the top left screen.
9. Your iPhone will start searching for the network. If you see “No Service”, continue waiting until your service provider name appears. Done!
Note: If you turn off your iPhone, You would need to do these steps again. Don’t be discouraged, it takes practice and you will soon master it after a few times! How often do you turn off your iPhone anyway?
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Automatic Mode (I’ll need to verify with the manufacturer the advantage of this mode)
Before you begin, setup your iPhone 4S with the R-SIM. Turn off your iPhone 4S.
1. Switch on your iPhone 4S.
2. Wait till the phone app turned from light green to solid green.
3. Go to Settings > Phone > SIM Applications.
4. Tap on “Country & Operators” then select your appropriate service provider which your iPhone 4S is locked to (default is AT&T). For instance, if yours is locked to AT&T, then choose MODE 1 AT&T.
5. Go back to the previous screen and select Auto Mode. Turn off your iPhone.
6. Turn on your iPhone. Wait for the Accept Screen to appear then tap “Accept”. Wait for 5 seconds then dial 112. Once connected, do not hang up.
7. Slowly eject your SIM card, then push the SIM card back into the iPhone again. Wait for the iPhone to hang up itself or hang up after you see “no service” on the top left screen.
8. Your iPhone will start searching for the network. If you see “No Service”, continue waiting until your service provider name appears. Done!
Additional Notes
1 . If your iPhone doesn’t show the service provider, you can dial a workable phone number, once connected, wait until the phone hangs up itself.
2. If you cannot find your mobile service provider under “Country & Operators”, you can enter the Country (MCC) and Service Provider (MNC) manually under “Edit Mode”. We will publish a complete list here soon or you can email us for information (customers only).
3. AT&T iPhone 4S will require jailbreaking because the APN settings will not show once unlocked. Once jailbroken with GreenPois0n Absinthe, install “TetherMe” via Cydia. You will have the APN settings back.
4. Keep coming back as I’ll continue to update this tutorial and will post a video very soon.
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