Apple 5s ios7.1.2 How to open 3g? ios7.1.2 3G Opening method diagram

Problems:

1. Q: Can the card sticker be removed?
A: Can not be removed, if removed after the separate move card in, then if you need 3G, you must restore the mobile phone reactivation.
2, Q: 3G signal stability, 3G off will automatically find no?
A: signal stability, depending on the mobile base station distribution and signal strength, sometimes 2G signal intensity far more than 3G signal, then the mobile phone will be in order to save electricity automatically work in 2G.
3, Q: facetime,imessage, caller ID normal?
Answer: Completely normal, and no difference between the lock.
4. Q: Will the card stickers be officially blocked by Apple?
A: May, please activate, the card stickers must stay inside the machine, change the card also with the use of card stickers, so you can use the 3G for a long time. This

3G network access is due to the activation of the Apple server when the mobile TD network format, the server may be shut down at any time.

Solutions (Card stickers and mobile cards put in together, reactivate the phone)

First step: Use itunes to back up your mobile data (new machine directly into activation)
Step two: Put the phone card and card stickers together into the phone. (New machine directly into the activation)
Step three: Enter settings-general-restore-Erase all content and settings, phone automatically reboot, enter the need to activate the interface, and then activate the phone, you can use WiFi or itunes or mobile phone card 3G network to activate the phone. (whether there is 3G signal depending on the local TD 3G network coverage), the successful activation after the perfect 3G.
Step Fourth: Use itunes to recover the information you just backed up. (New machine Direct use)