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Please make sure your phone is indeed an iPhone 4. If it is indeed iPhone 4, then you need to use the computer** "AISI Assistant", after successful installation, open AISI Assistant, connect the mobile phone to the computer, find options such as clearing password in the AISI Assistant toolbox, and follow the steps.
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If you forget the password, enter the recovery mode and reactivate your phone. The steps are as follows: 1. Please press the power button to turn on the computer, when the Apple logo will appear on the screen, do not release the power button.
2. Then press and hold the home button on the home screen until the screen goes black. 3. When you see the screen black, please release the power button and continue to press and hold the home button on the home screen until iTunes on the computer appears and detects one in recovery mode, then click the "Restore iPhone" button in the iTunes window. 5. Then iTunes will connect to Apple's update server, detect the latest iOS phone system, and prompt whether you want to delete all data on the phone and recover, click the "Restore and Update" button to continue.
6. Then iTunes will automatically restore the required iOS system from Apple's update server**, and when ** is completed, it will automatically restore to the iPhone. 7. Finally, when the recovery is successful, reactivating the iPhone is equivalent to restoring the factory settings of the system, and you can set the boot password for the phone again.
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1. In this case, it is generally taken directly to a special repair shop, and here I introduce a method that does not need to get the maintenance point, that is, to flash the machine yourself.
3. Connect your mobile phone and computer with a data cable, and click the device mark of your mobile phone after connecting.
4. Back up a copy of the data in your phone, otherwise the data will be lost after flashing.
5. After backing up the data, turn off your phone.
6. Press and hold the power button to turn on, don't let go when the Apple logo appears, and then you need to press and hold the home button to know that the phone screen is black again. Wait until iTunes on your computer has a prompt to release it.
7. We can restore the iPhone on the computer, when you choose to restore, it will prompt you to delete the data on the phone, don't worry, we have backed it up before, and then click on it.
8. It's OK to recover it, just open the data packet with your mobile phone.
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The computer is equipped with AISI Assistant, this software has a function to unlock the screen and follow my instructions to select the first step of selecting Advanced Player.
The second step is then there is an option on the right to read the device boot password. Sit back and wait for success, if the answer is satisfactory, the problem is solved, plus points
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In the shutdown state, press and hold the power button and the round key, and don't let go, and wait until the Apple logo appears.
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In this case, it is best not to continue the operation by non-professionals, otherwise there is a high risk of damaging the machine. It is recommended to go directly to the computer city or mobile phone repair shop to explain the situation to the master. Most likely, he will help you redo the system, and a few dozen dollars will do it.
It should be caused by the phone has been jailbroken, it is recommended to reinstall the recovery system through DFU mode: >>>More
Hehe,I've encountered a problem like yours once,I used a ** transfer tool in the 91 assistant that time,That's it,After connecting iTunes,No phone information is displayed,Just say on the screen to restore the firmwareć >>>More
Step 1: iPhone activation needs to install the SIM card first, so the first step of activation still needs to install the SIM phone card first, the second step, after installing the SIM card, we can turn on the phone next, by pressing and holding the power button on the top of the iPhone for a few seconds, you can enter the initial boot interface, Step 3: Set the iPhone language. >>>More
The phone cannot be turned on, it is recommended that you try to disassemble the back cover of the phone, remove the battery, and then reboot it to see if it can enter the system normally. If the system abnormality caused by the deletion or modification of system-related programs or files after the phone is flashed with third-party firmware or rooted, it cannot be solved by restoring the factory settings of the phone, and you need to re-flash the phone to restore the use of the system. >>>More
If the data stored in the internal memory of the mobile phone has not been backed up before deletion, and the deleted data cannot be recovered, it is recommended to back up the mobile phone data regularly to avoid accidental loss. If you lose your Samsung phone, you can report it to the relevant departments and register. Samsung partially supports the Samsung Dive remote control function. >>>More