前言
沒事千萬別貪小便宜買鎖機版的 iPhone !!
注意：
此方法已被證明在同一基地台使用時可持續作用 當基地台重新做 TMSI（Temporary Mobile Subscriber Identity）更新後
手機將會再度上鎖失去訊號
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高手們發現 iPhone 4s 鎖機板有個嚴重的bug
只要用以下步驟即可實現 免ＪＢ 可讓 iPhone 4s 鎖機板解鎖的方法
有興趣的同學可以試試 ^^
iPhone 4s BB 1.0.11 適用
1. Insert original carrier AT&T SIM card
2. Dial 611 for AT&T customer service hotline and drop the call
3. Turn on Airplane Mode
4. Take out AT&T SIM card
5. Insert T-Mobile SIM card
6. Make sure WiFi is off ( also tap on ‘Forget this Network” to make sure it doesn’t connect automatically later)
7. Switch off Airplane Mode and iPhone will search for network. This is followed by the Apple splash screen appearing.
8. Activation Required will be displayed on the screen
9. EDGE network will activate automatically – notice the ‘E’ on the top left corner of the screen
10. Wait for about 20-30 seconds and turn off the phone
11. Turn on iPhone and the same Activation Required screen will be displayed
12. When you see one signal bar, tap on Use Cellular Connection
13. Eject SIM card
14. Activation Required screen will be displayed the second time
15. Insert SIM card
16. Unlocked!
