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Comment: 비밀번호 입력창 과정 추가

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UI Steps
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UI Step

Download OS image file into the storage you prepared.

The file must be placed in root folder of the storage

UI Text Box
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Refer to Data Transfer with PC (MTP Connection) if you don't know how to connect the device with PC and send the file.

UI Step

Navigate to Settings > System > (About phone) > System updates

UI Step

The device will check storage and display available OS version with UPDATE button

UI Step

When you tap the UPDATE button, a dialog which title is Notice will show up. Tap OK to start OS update.

UI Text Box
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1. Charge the battery higher than 20%. Otherwise, your device will not start OS update process.

2. During the update process, you cannot use the device. Please save the data before start.


UI Step

If a dialog requiring password or pattern is displayed, enter the PIN / Password / pattern of the screen lock. 

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UI Step

After complete update, the device will reboot automatically

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